doipjs/node_modules/mocha/mocha.js

(function (global, factory) {
	typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() :
	typeof define === 'function' && define.amd ? define(factory) :
	(global = typeof globalThis !== 'undefined' ? globalThis : global || self, global.mocha = factory());
}(this, (function () { 'use strict';

	var commonjsGlobal = typeof globalThis !== 'undefined' ? globalThis : typeof window !== 'undefined' ? window : typeof global !== 'undefined' ? global : typeof self !== 'undefined' ? self : {};

	function createCommonjsModule(fn, basedir, module) {
		return module = {
		  path: basedir,
		  exports: {},
		  require: function (path, base) {
	      return commonjsRequire(path, (base === undefined || base === null) ? module.path : base);
	    }
		}, fn(module, module.exports), module.exports;
	}

	function getCjsExportFromNamespace (n) {
		return n && n['default'] || n;
	}

	function commonjsRequire () {
		throw new Error('Dynamic requires are not currently supported by @rollup/plugin-commonjs');
	}

	var check = function (it) {
	  return it && it.Math == Math && it;
	};

	// https://github.com/zloirock/core-js/issues/86#issuecomment-115759028
	var global_1 =
	  // eslint-disable-next-line no-undef
	  check(typeof globalThis == 'object' && globalThis) ||
	  check(typeof window == 'object' && window) ||
	  check(typeof self == 'object' && self) ||
	  check(typeof commonjsGlobal == 'object' && commonjsGlobal) ||
	  // eslint-disable-next-line no-new-func
	  Function('return this')();

	var fails = function (exec) {
	  try {
	    return !!exec();
	  } catch (error) {
	    return true;
	  }
	};

	// Thank's IE8 for his funny defineProperty
	var descriptors = !fails(function () {
	  return Object.defineProperty({}, 1, { get: function () { return 7; } })[1] != 7;
	});

	var nativePropertyIsEnumerable = {}.propertyIsEnumerable;
	var getOwnPropertyDescriptor = Object.getOwnPropertyDescriptor;

	// Nashorn ~ JDK8 bug
	var NASHORN_BUG = getOwnPropertyDescriptor && !nativePropertyIsEnumerable.call({ 1: 2 }, 1);

	// `Object.prototype.propertyIsEnumerable` method implementation
	// https://tc39.github.io/ecma262/#sec-object.prototype.propertyisenumerable
	var f = NASHORN_BUG ? function propertyIsEnumerable(V) {
	  var descriptor = getOwnPropertyDescriptor(this, V);
	  return !!descriptor && descriptor.enumerable;
	} : nativePropertyIsEnumerable;

	var objectPropertyIsEnumerable = {
		f: f
	};

	var createPropertyDescriptor = function (bitmap, value) {
	  return {
	    enumerable: !(bitmap & 1),
	    configurable: !(bitmap & 2),
	    writable: !(bitmap & 4),
	    value: value
	  };
	};

	var toString = {}.toString;

	var classofRaw = function (it) {
	  return toString.call(it).slice(8, -1);
	};

	var split = ''.split;

	// fallback for non-array-like ES3 and non-enumerable old V8 strings
	var indexedObject = fails(function () {
	  // throws an error in rhino, see https://github.com/mozilla/rhino/issues/346
	  // eslint-disable-next-line no-prototype-builtins
	  return !Object('z').propertyIsEnumerable(0);
	}) ? function (it) {
	  return classofRaw(it) == 'String' ? split.call(it, '') : Object(it);
	} : Object;

	// `RequireObjectCoercible` abstract operation
	// https://tc39.github.io/ecma262/#sec-requireobjectcoercible
	var requireObjectCoercible = function (it) {
	  if (it == undefined) throw TypeError("Can't call method on " + it);
	  return it;
	};

	// toObject with fallback for non-array-like ES3 strings



	var toIndexedObject = function (it) {
	  return indexedObject(requireObjectCoercible(it));
	};

	var isObject = function (it) {
	  return typeof it === 'object' ? it !== null : typeof it === 'function';
	};

	// `ToPrimitive` abstract operation
	// https://tc39.github.io/ecma262/#sec-toprimitive
	// instead of the ES6 spec version, we didn't implement @@toPrimitive case
	// and the second argument - flag - preferred type is a string
	var toPrimitive = function (input, PREFERRED_STRING) {
	  if (!isObject(input)) return input;
	  var fn, val;
	  if (PREFERRED_STRING && typeof (fn = input.toString) == 'function' && !isObject(val = fn.call(input))) return val;
	  if (typeof (fn = input.valueOf) == 'function' && !isObject(val = fn.call(input))) return val;
	  if (!PREFERRED_STRING && typeof (fn = input.toString) == 'function' && !isObject(val = fn.call(input))) return val;
	  throw TypeError("Can't convert object to primitive value");
	};

	var hasOwnProperty = {}.hasOwnProperty;

	var has = function (it, key) {
	  return hasOwnProperty.call(it, key);
	};

	var document$1 = global_1.document;
	// typeof document.createElement is 'object' in old IE
	var EXISTS = isObject(document$1) && isObject(document$1.createElement);

	var documentCreateElement = function (it) {
	  return EXISTS ? document$1.createElement(it) : {};
	};

	// Thank's IE8 for his funny defineProperty
	var ie8DomDefine = !descriptors && !fails(function () {
	  return Object.defineProperty(documentCreateElement('div'), 'a', {
	    get: function () { return 7; }
	  }).a != 7;
	});

	var nativeGetOwnPropertyDescriptor = Object.getOwnPropertyDescriptor;

	// `Object.getOwnPropertyDescriptor` method
	// https://tc39.github.io/ecma262/#sec-object.getownpropertydescriptor
	var f$1 = descriptors ? nativeGetOwnPropertyDescriptor : function getOwnPropertyDescriptor(O, P) {
	  O = toIndexedObject(O);
	  P = toPrimitive(P, true);
	  if (ie8DomDefine) try {
	    return nativeGetOwnPropertyDescriptor(O, P);
	  } catch (error) { /* empty */ }
	  if (has(O, P)) return createPropertyDescriptor(!objectPropertyIsEnumerable.f.call(O, P), O[P]);
	};

	var objectGetOwnPropertyDescriptor = {
		f: f$1
	};

	var anObject = function (it) {
	  if (!isObject(it)) {
	    throw TypeError(String(it) + ' is not an object');
	  } return it;
	};

	var nativeDefineProperty = Object.defineProperty;

	// `Object.defineProperty` method
	// https://tc39.github.io/ecma262/#sec-object.defineproperty
	var f$2 = descriptors ? nativeDefineProperty : function defineProperty(O, P, Attributes) {
	  anObject(O);
	  P = toPrimitive(P, true);
	  anObject(Attributes);
	  if (ie8DomDefine) try {
	    return nativeDefineProperty(O, P, Attributes);
	  } catch (error) { /* empty */ }
	  if ('get' in Attributes || 'set' in Attributes) throw TypeError('Accessors not supported');
	  if ('value' in Attributes) O[P] = Attributes.value;
	  return O;
	};

	var objectDefineProperty = {
		f: f$2
	};

	var createNonEnumerableProperty = descriptors ? function (object, key, value) {
	  return objectDefineProperty.f(object, key, createPropertyDescriptor(1, value));
	} : function (object, key, value) {
	  object[key] = value;
	  return object;
	};

	var setGlobal = function (key, value) {
	  try {
	    createNonEnumerableProperty(global_1, key, value);
	  } catch (error) {
	    global_1[key] = value;
	  } return value;
	};

	var SHARED = '__core-js_shared__';
	var store = global_1[SHARED] || setGlobal(SHARED, {});

	var sharedStore = store;

	var functionToString = Function.toString;

	// this helper broken in `3.4.1-3.4.4`, so we can't use `shared` helper
	if (typeof sharedStore.inspectSource != 'function') {
	  sharedStore.inspectSource = function (it) {
	    return functionToString.call(it);
	  };
	}

	var inspectSource = sharedStore.inspectSource;

	var WeakMap = global_1.WeakMap;

	var nativeWeakMap = typeof WeakMap === 'function' && /native code/.test(inspectSource(WeakMap));

	var shared = createCommonjsModule(function (module) {
	(module.exports = function (key, value) {
	  return sharedStore[key] || (sharedStore[key] = value !== undefined ? value : {});
	})('versions', []).push({
	  version: '3.6.5',
	  mode:  'global',
	  copyright: '© 2020 Denis Pushkarev (zloirock.ru)'
	});
	});

	var id = 0;
	var postfix = Math.random();

	var uid = function (key) {
	  return 'Symbol(' + String(key === undefined ? '' : key) + ')_' + (++id + postfix).toString(36);
	};

	var keys = shared('keys');

	var sharedKey = function (key) {
	  return keys[key] || (keys[key] = uid(key));
	};

	var hiddenKeys = {};

	var WeakMap$1 = global_1.WeakMap;
	var set, get, has$1;

	var enforce = function (it) {
	  return has$1(it) ? get(it) : set(it, {});
	};

	var getterFor = function (TYPE) {
	  return function (it) {
	    var state;
	    if (!isObject(it) || (state = get(it)).type !== TYPE) {
	      throw TypeError('Incompatible receiver, ' + TYPE + ' required');
	    } return state;
	  };
	};

	if (nativeWeakMap) {
	  var store$1 = new WeakMap$1();
	  var wmget = store$1.get;
	  var wmhas = store$1.has;
	  var wmset = store$1.set;
	  set = function (it, metadata) {
	    wmset.call(store$1, it, metadata);
	    return metadata;
	  };
	  get = function (it) {
	    return wmget.call(store$1, it) || {};
	  };
	  has$1 = function (it) {
	    return wmhas.call(store$1, it);
	  };
	} else {
	  var STATE = sharedKey('state');
	  hiddenKeys[STATE] = true;
	  set = function (it, metadata) {
	    createNonEnumerableProperty(it, STATE, metadata);
	    return metadata;
	  };
	  get = function (it) {
	    return has(it, STATE) ? it[STATE] : {};
	  };
	  has$1 = function (it) {
	    return has(it, STATE);
	  };
	}

	var internalState = {
	  set: set,
	  get: get,
	  has: has$1,
	  enforce: enforce,
	  getterFor: getterFor
	};

	var redefine = createCommonjsModule(function (module) {
	var getInternalState = internalState.get;
	var enforceInternalState = internalState.enforce;
	var TEMPLATE = String(String).split('String');

	(module.exports = function (O, key, value, options) {
	  var unsafe = options ? !!options.unsafe : false;
	  var simple = options ? !!options.enumerable : false;
	  var noTargetGet = options ? !!options.noTargetGet : false;
	  if (typeof value == 'function') {
	    if (typeof key == 'string' && !has(value, 'name')) createNonEnumerableProperty(value, 'name', key);
	    enforceInternalState(value).source = TEMPLATE.join(typeof key == 'string' ? key : '');
	  }
	  if (O === global_1) {
	    if (simple) O[key] = value;
	    else setGlobal(key, value);
	    return;
	  } else if (!unsafe) {
	    delete O[key];
	  } else if (!noTargetGet && O[key]) {
	    simple = true;
	  }
	  if (simple) O[key] = value;
	  else createNonEnumerableProperty(O, key, value);
	// add fake Function#toString for correct work wrapped methods / constructors with methods like LoDash isNative
	})(Function.prototype, 'toString', function toString() {
	  return typeof this == 'function' && getInternalState(this).source || inspectSource(this);
	});
	});

	var path = global_1;

	var aFunction = function (variable) {
	  return typeof variable == 'function' ? variable : undefined;
	};

	var getBuiltIn = function (namespace, method) {
	  return arguments.length < 2 ? aFunction(path[namespace]) || aFunction(global_1[namespace])
	    : path[namespace] && path[namespace][method] || global_1[namespace] && global_1[namespace][method];
	};

	var ceil = Math.ceil;
	var floor = Math.floor;

	// `ToInteger` abstract operation
	// https://tc39.github.io/ecma262/#sec-tointeger
	var toInteger = function (argument) {
	  return isNaN(argument = +argument) ? 0 : (argument > 0 ? floor : ceil)(argument);
	};

	var min = Math.min;

	// `ToLength` abstract operation
	// https://tc39.github.io/ecma262/#sec-tolength
	var toLength = function (argument) {
	  return argument > 0 ? min(toInteger(argument), 0x1FFFFFFFFFFFFF) : 0; // 2 ** 53 - 1 == 9007199254740991
	};

	var max = Math.max;
	var min$1 = Math.min;

	// Helper for a popular repeating case of the spec:
	// Let integer be ? ToInteger(index).
	// If integer < 0, let result be max((length + integer), 0); else let result be min(integer, length).
	var toAbsoluteIndex = function (index, length) {
	  var integer = toInteger(index);
	  return integer < 0 ? max(integer + length, 0) : min$1(integer, length);
	};

	// `Array.prototype.{ indexOf, includes }` methods implementation
	var createMethod = function (IS_INCLUDES) {
	  return function ($this, el, fromIndex) {
	    var O = toIndexedObject($this);
	    var length = toLength(O.length);
	    var index = toAbsoluteIndex(fromIndex, length);
	    var value;
	    // Array#includes uses SameValueZero equality algorithm
	    // eslint-disable-next-line no-self-compare
	    if (IS_INCLUDES && el != el) while (length > index) {
	      value = O[index++];
	      // eslint-disable-next-line no-self-compare
	      if (value != value) return true;
	    // Array#indexOf ignores holes, Array#includes - not
	    } else for (;length > index; index++) {
	      if ((IS_INCLUDES || index in O) && O[index] === el) return IS_INCLUDES || index || 0;
	    } return !IS_INCLUDES && -1;
	  };
	};

	var arrayIncludes = {
	  // `Array.prototype.includes` method
	  // https://tc39.github.io/ecma262/#sec-array.prototype.includes
	  includes: createMethod(true),
	  // `Array.prototype.indexOf` method
	  // https://tc39.github.io/ecma262/#sec-array.prototype.indexof
	  indexOf: createMethod(false)
	};

	var indexOf = arrayIncludes.indexOf;


	var objectKeysInternal = function (object, names) {
	  var O = toIndexedObject(object);
	  var i = 0;
	  var result = [];
	  var key;
	  for (key in O) !has(hiddenKeys, key) && has(O, key) && result.push(key);
	  // Don't enum bug & hidden keys
	  while (names.length > i) if (has(O, key = names[i++])) {
	    ~indexOf(result, key) || result.push(key);
	  }
	  return result;
	};

	// IE8- don't enum bug keys
	var enumBugKeys = [
	  'constructor',
	  'hasOwnProperty',
	  'isPrototypeOf',
	  'propertyIsEnumerable',
	  'toLocaleString',
	  'toString',
	  'valueOf'
	];

	var hiddenKeys$1 = enumBugKeys.concat('length', 'prototype');

	// `Object.getOwnPropertyNames` method
	// https://tc39.github.io/ecma262/#sec-object.getownpropertynames
	var f$3 = Object.getOwnPropertyNames || function getOwnPropertyNames(O) {
	  return objectKeysInternal(O, hiddenKeys$1);
	};

	var objectGetOwnPropertyNames = {
		f: f$3
	};

	var f$4 = Object.getOwnPropertySymbols;

	var objectGetOwnPropertySymbols = {
		f: f$4
	};

	// all object keys, includes non-enumerable and symbols
	var ownKeys = getBuiltIn('Reflect', 'ownKeys') || function ownKeys(it) {
	  var keys = objectGetOwnPropertyNames.f(anObject(it));
	  var getOwnPropertySymbols = objectGetOwnPropertySymbols.f;
	  return getOwnPropertySymbols ? keys.concat(getOwnPropertySymbols(it)) : keys;
	};

	var copyConstructorProperties = function (target, source) {
	  var keys = ownKeys(source);
	  var defineProperty = objectDefineProperty.f;
	  var getOwnPropertyDescriptor = objectGetOwnPropertyDescriptor.f;
	  for (var i = 0; i < keys.length; i++) {
	    var key = keys[i];
	    if (!has(target, key)) defineProperty(target, key, getOwnPropertyDescriptor(source, key));
	  }
	};

	var replacement = /#|\.prototype\./;

	var isForced = function (feature, detection) {
	  var value = data[normalize(feature)];
	  return value == POLYFILL ? true
	    : value == NATIVE ? false
	    : typeof detection == 'function' ? fails(detection)
	    : !!detection;
	};

	var normalize = isForced.normalize = function (string) {
	  return String(string).replace(replacement, '.').toLowerCase();
	};

	var data = isForced.data = {};
	var NATIVE = isForced.NATIVE = 'N';
	var POLYFILL = isForced.POLYFILL = 'P';

	var isForced_1 = isForced;

	var getOwnPropertyDescriptor$1 = objectGetOwnPropertyDescriptor.f;






	/*
	  options.target      - name of the target object
	  options.global      - target is the global object
	  options.stat        - export as static methods of target
	  options.proto       - export as prototype methods of target
	  options.real        - real prototype method for the `pure` version
	  options.forced      - export even if the native feature is available
	  options.bind        - bind methods to the target, required for the `pure` version
	  options.wrap        - wrap constructors to preventing global pollution, required for the `pure` version
	  options.unsafe      - use the simple assignment of property instead of delete + defineProperty
	  options.sham        - add a flag to not completely full polyfills
	  options.enumerable  - export as enumerable property
	  options.noTargetGet - prevent calling a getter on target
	*/
	var _export = function (options, source) {
	  var TARGET = options.target;
	  var GLOBAL = options.global;
	  var STATIC = options.stat;
	  var FORCED, target, key, targetProperty, sourceProperty, descriptor;
	  if (GLOBAL) {
	    target = global_1;
	  } else if (STATIC) {
	    target = global_1[TARGET] || setGlobal(TARGET, {});
	  } else {
	    target = (global_1[TARGET] || {}).prototype;
	  }
	  if (target) for (key in source) {
	    sourceProperty = source[key];
	    if (options.noTargetGet) {
	      descriptor = getOwnPropertyDescriptor$1(target, key);
	      targetProperty = descriptor && descriptor.value;
	    } else targetProperty = target[key];
	    FORCED = isForced_1(GLOBAL ? key : TARGET + (STATIC ? '.' : '#') + key, options.forced);
	    // contained in target
	    if (!FORCED && targetProperty !== undefined) {
	      if (typeof sourceProperty === typeof targetProperty) continue;
	      copyConstructorProperties(sourceProperty, targetProperty);
	    }
	    // add a flag to not completely full polyfills
	    if (options.sham || (targetProperty && targetProperty.sham)) {
	      createNonEnumerableProperty(sourceProperty, 'sham', true);
	    }
	    // extend global
	    redefine(target, key, sourceProperty, options);
	  }
	};

	var aFunction$1 = function (it) {
	  if (typeof it != 'function') {
	    throw TypeError(String(it) + ' is not a function');
	  } return it;
	};

	// optional / simple context binding
	var functionBindContext = function (fn, that, length) {
	  aFunction$1(fn);
	  if (that === undefined) return fn;
	  switch (length) {
	    case 0: return function () {
	      return fn.call(that);
	    };
	    case 1: return function (a) {
	      return fn.call(that, a);
	    };
	    case 2: return function (a, b) {
	      return fn.call(that, a, b);
	    };
	    case 3: return function (a, b, c) {
	      return fn.call(that, a, b, c);
	    };
	  }
	  return function (/* ...args */) {
	    return fn.apply(that, arguments);
	  };
	};

	// `ToObject` abstract operation
	// https://tc39.github.io/ecma262/#sec-toobject
	var toObject = function (argument) {
	  return Object(requireObjectCoercible(argument));
	};

	// `IsArray` abstract operation
	// https://tc39.github.io/ecma262/#sec-isarray
	var isArray = Array.isArray || function isArray(arg) {
	  return classofRaw(arg) == 'Array';
	};

	var nativeSymbol = !!Object.getOwnPropertySymbols && !fails(function () {
	  // Chrome 38 Symbol has incorrect toString conversion
	  // eslint-disable-next-line no-undef
	  return !String(Symbol());
	});

	var useSymbolAsUid = nativeSymbol
	  // eslint-disable-next-line no-undef
	  && !Symbol.sham
	  // eslint-disable-next-line no-undef
	  && typeof Symbol.iterator == 'symbol';

	var WellKnownSymbolsStore = shared('wks');
	var Symbol$1 = global_1.Symbol;
	var createWellKnownSymbol = useSymbolAsUid ? Symbol$1 : Symbol$1 && Symbol$1.withoutSetter || uid;

	var wellKnownSymbol = function (name) {
	  if (!has(WellKnownSymbolsStore, name)) {
	    if (nativeSymbol && has(Symbol$1, name)) WellKnownSymbolsStore[name] = Symbol$1[name];
	    else WellKnownSymbolsStore[name] = createWellKnownSymbol('Symbol.' + name);
	  } return WellKnownSymbolsStore[name];
	};

	var SPECIES = wellKnownSymbol('species');

	// `ArraySpeciesCreate` abstract operation
	// https://tc39.github.io/ecma262/#sec-arrayspeciescreate
	var arraySpeciesCreate = function (originalArray, length) {
	  var C;
	  if (isArray(originalArray)) {
	    C = originalArray.constructor;
	    // cross-realm fallback
	    if (typeof C == 'function' && (C === Array || isArray(C.prototype))) C = undefined;
	    else if (isObject(C)) {
	      C = C[SPECIES];
	      if (C === null) C = undefined;
	    }
	  } return new (C === undefined ? Array : C)(length === 0 ? 0 : length);
	};

	var push = [].push;

	// `Array.prototype.{ forEach, map, filter, some, every, find, findIndex }` methods implementation
	var createMethod$1 = function (TYPE) {
	  var IS_MAP = TYPE == 1;
	  var IS_FILTER = TYPE == 2;
	  var IS_SOME = TYPE == 3;
	  var IS_EVERY = TYPE == 4;
	  var IS_FIND_INDEX = TYPE == 6;
	  var NO_HOLES = TYPE == 5 || IS_FIND_INDEX;
	  return function ($this, callbackfn, that, specificCreate) {
	    var O = toObject($this);
	    var self = indexedObject(O);
	    var boundFunction = functionBindContext(callbackfn, that, 3);
	    var length = toLength(self.length);
	    var index = 0;
	    var create = specificCreate || arraySpeciesCreate;
	    var target = IS_MAP ? create($this, length) : IS_FILTER ? create($this, 0) : undefined;
	    var value, result;
	    for (;length > index; index++) if (NO_HOLES || index in self) {
	      value = self[index];
	      result = boundFunction(value, index, O);
	      if (TYPE) {
	        if (IS_MAP) target[index] = result; // map
	        else if (result) switch (TYPE) {
	          case 3: return true;              // some
	          case 5: return value;             // find
	          case 6: return index;             // findIndex
	          case 2: push.call(target, value); // filter
	        } else if (IS_EVERY) return false;  // every
	      }
	    }
	    return IS_FIND_INDEX ? -1 : IS_SOME || IS_EVERY ? IS_EVERY : target;
	  };
	};

	var arrayIteration = {
	  // `Array.prototype.forEach` method
	  // https://tc39.github.io/ecma262/#sec-array.prototype.foreach
	  forEach: createMethod$1(0),
	  // `Array.prototype.map` method
	  // https://tc39.github.io/ecma262/#sec-array.prototype.map
	  map: createMethod$1(1),
	  // `Array.prototype.filter` method
	  // https://tc39.github.io/ecma262/#sec-array.prototype.filter
	  filter: createMethod$1(2),
	  // `Array.prototype.some` method
	  // https://tc39.github.io/ecma262/#sec-array.prototype.some
	  some: createMethod$1(3),
	  // `Array.prototype.every` method
	  // https://tc39.github.io/ecma262/#sec-array.prototype.every
	  every: createMethod$1(4),
	  // `Array.prototype.find` method
	  // https://tc39.github.io/ecma262/#sec-array.prototype.find
	  find: createMethod$1(5),
	  // `Array.prototype.findIndex` method
	  // https://tc39.github.io/ecma262/#sec-array.prototype.findIndex
	  findIndex: createMethod$1(6)
	};

	var engineUserAgent = getBuiltIn('navigator', 'userAgent') || '';

	var process = global_1.process;
	var versions = process && process.versions;
	var v8 = versions && versions.v8;
	var match, version;

	if (v8) {
	  match = v8.split('.');
	  version = match[0] + match[1];
	} else if (engineUserAgent) {
	  match = engineUserAgent.match(/Edge\/(\d+)/);
	  if (!match || match[1] >= 74) {
	    match = engineUserAgent.match(/Chrome\/(\d+)/);
	    if (match) version = match[1];
	  }
	}

	var engineV8Version = version && +version;

	var SPECIES$1 = wellKnownSymbol('species');

	var arrayMethodHasSpeciesSupport = function (METHOD_NAME) {
	  // We can't use this feature detection in V8 since it causes
	  // deoptimization and serious performance degradation
	  // https://github.com/zloirock/core-js/issues/677
	  return engineV8Version >= 51 || !fails(function () {
	    var array = [];
	    var constructor = array.constructor = {};
	    constructor[SPECIES$1] = function () {
	      return { foo: 1 };
	    };
	    return array[METHOD_NAME](Boolean).foo !== 1;
	  });
	};

	var defineProperty = Object.defineProperty;
	var cache = {};

	var thrower = function (it) { throw it; };

	var arrayMethodUsesToLength = function (METHOD_NAME, options) {
	  if (has(cache, METHOD_NAME)) return cache[METHOD_NAME];
	  if (!options) options = {};
	  var method = [][METHOD_NAME];
	  var ACCESSORS = has(options, 'ACCESSORS') ? options.ACCESSORS : false;
	  var argument0 = has(options, 0) ? options[0] : thrower;
	  var argument1 = has(options, 1) ? options[1] : undefined;

	  return cache[METHOD_NAME] = !!method && !fails(function () {
	    if (ACCESSORS && !descriptors) return true;
	    var O = { length: -1 };

	    if (ACCESSORS) defineProperty(O, 1, { enumerable: true, get: thrower });
	    else O[1] = 1;

	    method.call(O, argument0, argument1);
	  });
	};

	var $filter = arrayIteration.filter;



	var HAS_SPECIES_SUPPORT = arrayMethodHasSpeciesSupport('filter');
	// Edge 14- issue
	var USES_TO_LENGTH = arrayMethodUsesToLength('filter');

	// `Array.prototype.filter` method
	// https://tc39.github.io/ecma262/#sec-array.prototype.filter
	// with adding support of @@species
	_export({ target: 'Array', proto: true, forced: !HAS_SPECIES_SUPPORT || !USES_TO_LENGTH }, {
	  filter: function filter(callbackfn /* , thisArg */) {
	    return $filter(this, callbackfn, arguments.length > 1 ? arguments[1] : undefined);
	  }
	});

	var arrayMethodIsStrict = function (METHOD_NAME, argument) {
	  var method = [][METHOD_NAME];
	  return !!method && fails(function () {
	    // eslint-disable-next-line no-useless-call,no-throw-literal
	    method.call(null, argument || function () { throw 1; }, 1);
	  });
	};

	var $forEach = arrayIteration.forEach;



	var STRICT_METHOD = arrayMethodIsStrict('forEach');
	var USES_TO_LENGTH$1 = arrayMethodUsesToLength('forEach');

	// `Array.prototype.forEach` method implementation
	// https://tc39.github.io/ecma262/#sec-array.prototype.foreach
	var arrayForEach = (!STRICT_METHOD || !USES_TO_LENGTH$1) ? function forEach(callbackfn /* , thisArg */) {
	  return $forEach(this, callbackfn, arguments.length > 1 ? arguments[1] : undefined);
	} : [].forEach;

	// `Array.prototype.forEach` method
	// https://tc39.github.io/ecma262/#sec-array.prototype.foreach
	_export({ target: 'Array', proto: true, forced: [].forEach != arrayForEach }, {
	  forEach: arrayForEach
	});

	var $indexOf = arrayIncludes.indexOf;



	var nativeIndexOf = [].indexOf;

	var NEGATIVE_ZERO = !!nativeIndexOf && 1 / [1].indexOf(1, -0) < 0;
	var STRICT_METHOD$1 = arrayMethodIsStrict('indexOf');
	var USES_TO_LENGTH$2 = arrayMethodUsesToLength('indexOf', { ACCESSORS: true, 1: 0 });

	// `Array.prototype.indexOf` method
	// https://tc39.github.io/ecma262/#sec-array.prototype.indexof
	_export({ target: 'Array', proto: true, forced: NEGATIVE_ZERO || !STRICT_METHOD$1 || !USES_TO_LENGTH$2 }, {
	  indexOf: function indexOf(searchElement /* , fromIndex = 0 */) {
	    return NEGATIVE_ZERO
	      // convert -0 to +0
	      ? nativeIndexOf.apply(this, arguments) || 0
	      : $indexOf(this, searchElement, arguments.length > 1 ? arguments[1] : undefined);
	  }
	});

	var createProperty = function (object, key, value) {
	  var propertyKey = toPrimitive(key);
	  if (propertyKey in object) objectDefineProperty.f(object, propertyKey, createPropertyDescriptor(0, value));
	  else object[propertyKey] = value;
	};

	var HAS_SPECIES_SUPPORT$1 = arrayMethodHasSpeciesSupport('splice');
	var USES_TO_LENGTH$3 = arrayMethodUsesToLength('splice', { ACCESSORS: true, 0: 0, 1: 2 });

	var max$1 = Math.max;
	var min$2 = Math.min;
	var MAX_SAFE_INTEGER = 0x1FFFFFFFFFFFFF;
	var MAXIMUM_ALLOWED_LENGTH_EXCEEDED = 'Maximum allowed length exceeded';

	// `Array.prototype.splice` method
	// https://tc39.github.io/ecma262/#sec-array.prototype.splice
	// with adding support of @@species
	_export({ target: 'Array', proto: true, forced: !HAS_SPECIES_SUPPORT$1 || !USES_TO_LENGTH$3 }, {
	  splice: function splice(start, deleteCount /* , ...items */) {
	    var O = toObject(this);
	    var len = toLength(O.length);
	    var actualStart = toAbsoluteIndex(start, len);
	    var argumentsLength = arguments.length;
	    var insertCount, actualDeleteCount, A, k, from, to;
	    if (argumentsLength === 0) {
	      insertCount = actualDeleteCount = 0;
	    } else if (argumentsLength === 1) {
	      insertCount = 0;
	      actualDeleteCount = len - actualStart;
	    } else {
	      insertCount = argumentsLength - 2;
	      actualDeleteCount = min$2(max$1(toInteger(deleteCount), 0), len - actualStart);
	    }
	    if (len + insertCount - actualDeleteCount > MAX_SAFE_INTEGER) {
	      throw TypeError(MAXIMUM_ALLOWED_LENGTH_EXCEEDED);
	    }
	    A = arraySpeciesCreate(O, actualDeleteCount);
	    for (k = 0; k < actualDeleteCount; k++) {
	      from = actualStart + k;
	      if (from in O) createProperty(A, k, O[from]);
	    }
	    A.length = actualDeleteCount;
	    if (insertCount < actualDeleteCount) {
	      for (k = actualStart; k < len - actualDeleteCount; k++) {
	        from = k + actualDeleteCount;
	        to = k + insertCount;
	        if (from in O) O[to] = O[from];
	        else delete O[to];
	      }
	      for (k = len; k > len - actualDeleteCount + insertCount; k--) delete O[k - 1];
	    } else if (insertCount > actualDeleteCount) {
	      for (k = len - actualDeleteCount; k > actualStart; k--) {
	        from = k + actualDeleteCount - 1;
	        to = k + insertCount - 1;
	        if (from in O) O[to] = O[from];
	        else delete O[to];
	      }
	    }
	    for (k = 0; k < insertCount; k++) {
	      O[k + actualStart] = arguments[k + 2];
	    }
	    O.length = len - actualDeleteCount + insertCount;
	    return A;
	  }
	});

	// `Object.keys` method
	// https://tc39.github.io/ecma262/#sec-object.keys
	var objectKeys = Object.keys || function keys(O) {
	  return objectKeysInternal(O, enumBugKeys);
	};

	var nativeAssign = Object.assign;
	var defineProperty$1 = Object.defineProperty;

	// `Object.assign` method
	// https://tc39.github.io/ecma262/#sec-object.assign
	var objectAssign = !nativeAssign || fails(function () {
	  // should have correct order of operations (Edge bug)
	  if (descriptors && nativeAssign({ b: 1 }, nativeAssign(defineProperty$1({}, 'a', {
	    enumerable: true,
	    get: function () {
	      defineProperty$1(this, 'b', {
	        value: 3,
	        enumerable: false
	      });
	    }
	  }), { b: 2 })).b !== 1) return true;
	  // should work with symbols and should have deterministic property order (V8 bug)
	  var A = {};
	  var B = {};
	  // eslint-disable-next-line no-undef
	  var symbol = Symbol();
	  var alphabet = 'abcdefghijklmnopqrst';
	  A[symbol] = 7;
	  alphabet.split('').forEach(function (chr) { B[chr] = chr; });
	  return nativeAssign({}, A)[symbol] != 7 || objectKeys(nativeAssign({}, B)).join('') != alphabet;
	}) ? function assign(target, source) { // eslint-disable-line no-unused-vars
	  var T = toObject(target);
	  var argumentsLength = arguments.length;
	  var index = 1;
	  var getOwnPropertySymbols = objectGetOwnPropertySymbols.f;
	  var propertyIsEnumerable = objectPropertyIsEnumerable.f;
	  while (argumentsLength > index) {
	    var S = indexedObject(arguments[index++]);
	    var keys = getOwnPropertySymbols ? objectKeys(S).concat(getOwnPropertySymbols(S)) : objectKeys(S);
	    var length = keys.length;
	    var j = 0;
	    var key;
	    while (length > j) {
	      key = keys[j++];
	      if (!descriptors || propertyIsEnumerable.call(S, key)) T[key] = S[key];
	    }
	  } return T;
	} : nativeAssign;

	// `Object.assign` method
	// https://tc39.github.io/ecma262/#sec-object.assign
	_export({ target: 'Object', stat: true, forced: Object.assign !== objectAssign }, {
	  assign: objectAssign
	});

	var FAILS_ON_PRIMITIVES = fails(function () { objectKeys(1); });

	// `Object.keys` method
	// https://tc39.github.io/ecma262/#sec-object.keys
	_export({ target: 'Object', stat: true, forced: FAILS_ON_PRIMITIVES }, {
	  keys: function keys(it) {
	    return objectKeys(toObject(it));
	  }
	});

	// `RegExp.prototype.flags` getter implementation
	// https://tc39.github.io/ecma262/#sec-get-regexp.prototype.flags
	var regexpFlags = function () {
	  var that = anObject(this);
	  var result = '';
	  if (that.global) result += 'g';
	  if (that.ignoreCase) result += 'i';
	  if (that.multiline) result += 'm';
	  if (that.dotAll) result += 's';
	  if (that.unicode) result += 'u';
	  if (that.sticky) result += 'y';
	  return result;
	};

	// babel-minify transpiles RegExp('a', 'y') -> /a/y and it causes SyntaxError,
	// so we use an intermediate function.
	function RE(s, f) {
	  return RegExp(s, f);
	}

	var UNSUPPORTED_Y = fails(function () {
	  // babel-minify transpiles RegExp('a', 'y') -> /a/y and it causes SyntaxError
	  var re = RE('a', 'y');
	  re.lastIndex = 2;
	  return re.exec('abcd') != null;
	});

	var BROKEN_CARET = fails(function () {
	  // https://bugzilla.mozilla.org/show_bug.cgi?id=773687
	  var re = RE('^r', 'gy');
	  re.lastIndex = 2;
	  return re.exec('str') != null;
	});

	var regexpStickyHelpers = {
		UNSUPPORTED_Y: UNSUPPORTED_Y,
		BROKEN_CARET: BROKEN_CARET
	};

	var nativeExec = RegExp.prototype.exec;
	// This always refers to the native implementation, because the
	// String#replace polyfill uses ./fix-regexp-well-known-symbol-logic.js,
	// which loads this file before patching the method.
	var nativeReplace = String.prototype.replace;

	var patchedExec = nativeExec;

	var UPDATES_LAST_INDEX_WRONG = (function () {
	  var re1 = /a/;
	  var re2 = /b*/g;
	  nativeExec.call(re1, 'a');
	  nativeExec.call(re2, 'a');
	  return re1.lastIndex !== 0 || re2.lastIndex !== 0;
	})();

	var UNSUPPORTED_Y$1 = regexpStickyHelpers.UNSUPPORTED_Y || regexpStickyHelpers.BROKEN_CARET;

	// nonparticipating capturing group, copied from es5-shim's String#split patch.
	var NPCG_INCLUDED = /()??/.exec('')[1] !== undefined;

	var PATCH = UPDATES_LAST_INDEX_WRONG || NPCG_INCLUDED || UNSUPPORTED_Y$1;

	if (PATCH) {
	  patchedExec = function exec(str) {
	    var re = this;
	    var lastIndex, reCopy, match, i;
	    var sticky = UNSUPPORTED_Y$1 && re.sticky;
	    var flags = regexpFlags.call(re);
	    var source = re.source;
	    var charsAdded = 0;
	    var strCopy = str;

	    if (sticky) {
	      flags = flags.replace('y', '');
	      if (flags.indexOf('g') === -1) {
	        flags += 'g';
	      }

	      strCopy = String(str).slice(re.lastIndex);
	      // Support anchored sticky behavior.
	      if (re.lastIndex > 0 && (!re.multiline || re.multiline && str[re.lastIndex - 1] !== '\n')) {
	        source = '(?: ' + source + ')';
	        strCopy = ' ' + strCopy;
	        charsAdded++;
	      }
	      // ^(? + rx + ) is needed, in combination with some str slicing, to
	      // simulate the 'y' flag.
	      reCopy = new RegExp('^(?:' + source + ')', flags);
	    }

	    if (NPCG_INCLUDED) {
	      reCopy = new RegExp('^' + source + '$(?!\\s)', flags);
	    }
	    if (UPDATES_LAST_INDEX_WRONG) lastIndex = re.lastIndex;

	    match = nativeExec.call(sticky ? reCopy : re, strCopy);

	    if (sticky) {
	      if (match) {
	        match.input = match.input.slice(charsAdded);
	        match[0] = match[0].slice(charsAdded);
	        match.index = re.lastIndex;
	        re.lastIndex += match[0].length;
	      } else re.lastIndex = 0;
	    } else if (UPDATES_LAST_INDEX_WRONG && match) {
	      re.lastIndex = re.global ? match.index + match[0].length : lastIndex;
	    }
	    if (NPCG_INCLUDED && match && match.length > 1) {
	      // Fix browsers whose `exec` methods don't consistently return `undefined`
	      // for NPCG, like IE8. NOTE: This doesn' work for /(.?)?/
	      nativeReplace.call(match[0], reCopy, function () {
	        for (i = 1; i < arguments.length - 2; i++) {
	          if (arguments[i] === undefined) match[i] = undefined;
	        }
	      });
	    }

	    return match;
	  };
	}

	var regexpExec = patchedExec;

	_export({ target: 'RegExp', proto: true, forced: /./.exec !== regexpExec }, {
	  exec: regexpExec
	});

	// TODO: Remove from `core-js@4` since it's moved to entry points







	var SPECIES$2 = wellKnownSymbol('species');

	var REPLACE_SUPPORTS_NAMED_GROUPS = !fails(function () {
	  // #replace needs built-in support for named groups.
	  // #match works fine because it just return the exec results, even if it has
	  // a "grops" property.
	  var re = /./;
	  re.exec = function () {
	    var result = [];
	    result.groups = { a: '7' };
	    return result;
	  };
	  return ''.replace(re, '$<a>') !== '7';
	});

	// IE <= 11 replaces $0 with the whole match, as if it was $&
	// https://stackoverflow.com/questions/6024666/getting-ie-to-replace-a-regex-with-the-literal-string-0
	var REPLACE_KEEPS_$0 = (function () {
	  return 'a'.replace(/./, '$0') === '$0';
	})();

	var REPLACE = wellKnownSymbol('replace');
	// Safari <= 13.0.3(?) substitutes nth capture where n>m with an empty string
	var REGEXP_REPLACE_SUBSTITUTES_UNDEFINED_CAPTURE = (function () {
	  if (/./[REPLACE]) {
	    return /./[REPLACE]('a', '$0') === '';
	  }
	  return false;
	})();

	// Chrome 51 has a buggy "split" implementation when RegExp#exec !== nativeExec
	// Weex JS has frozen built-in prototypes, so use try / catch wrapper
	var SPLIT_WORKS_WITH_OVERWRITTEN_EXEC = !fails(function () {
	  var re = /(?:)/;
	  var originalExec = re.exec;
	  re.exec = function () { return originalExec.apply(this, arguments); };
	  var result = 'ab'.split(re);
	  return result.length !== 2 || result[0] !== 'a' || result[1] !== 'b';
	});

	var fixRegexpWellKnownSymbolLogic = function (KEY, length, exec, sham) {
	  var SYMBOL = wellKnownSymbol(KEY);

	  var DELEGATES_TO_SYMBOL = !fails(function () {
	    // String methods call symbol-named RegEp methods
	    var O = {};
	    O[SYMBOL] = function () { return 7; };
	    return ''[KEY](O) != 7;
	  });

	  var DELEGATES_TO_EXEC = DELEGATES_TO_SYMBOL && !fails(function () {
	    // Symbol-named RegExp methods call .exec
	    var execCalled = false;
	    var re = /a/;

	    if (KEY === 'split') {
	      // We can't use real regex here since it causes deoptimization
	      // and serious performance degradation in V8
	      // https://github.com/zloirock/core-js/issues/306
	      re = {};
	      // RegExp[@@split] doesn't call the regex's exec method, but first creates
	      // a new one. We need to return the patched regex when creating the new one.
	      re.constructor = {};
	      re.constructor[SPECIES$2] = function () { return re; };
	      re.flags = '';
	      re[SYMBOL] = /./[SYMBOL];
	    }

	    re.exec = function () { execCalled = true; return null; };

	    re[SYMBOL]('');
	    return !execCalled;
	  });

	  if (
	    !DELEGATES_TO_SYMBOL ||
	    !DELEGATES_TO_EXEC ||
	    (KEY === 'replace' && !(
	      REPLACE_SUPPORTS_NAMED_GROUPS &&
	      REPLACE_KEEPS_$0 &&
	      !REGEXP_REPLACE_SUBSTITUTES_UNDEFINED_CAPTURE
	    )) ||
	    (KEY === 'split' && !SPLIT_WORKS_WITH_OVERWRITTEN_EXEC)
	  ) {
	    var nativeRegExpMethod = /./[SYMBOL];
	    var methods = exec(SYMBOL, ''[KEY], function (nativeMethod, regexp, str, arg2, forceStringMethod) {
	      if (regexp.exec === regexpExec) {
	        if (DELEGATES_TO_SYMBOL && !forceStringMethod) {
	          // The native String method already delegates to @@method (this
	          // polyfilled function), leasing to infinite recursion.
	          // We avoid it by directly calling the native @@method method.
	          return { done: true, value: nativeRegExpMethod.call(regexp, str, arg2) };
	        }
	        return { done: true, value: nativeMethod.call(str, regexp, arg2) };
	      }
	      return { done: false };
	    }, {
	      REPLACE_KEEPS_$0: REPLACE_KEEPS_$0,
	      REGEXP_REPLACE_SUBSTITUTES_UNDEFINED_CAPTURE: REGEXP_REPLACE_SUBSTITUTES_UNDEFINED_CAPTURE
	    });
	    var stringMethod = methods[0];
	    var regexMethod = methods[1];

	    redefine(String.prototype, KEY, stringMethod);
	    redefine(RegExp.prototype, SYMBOL, length == 2
	      // 21.2.5.8 RegExp.prototype[@@replace](string, replaceValue)
	      // 21.2.5.11 RegExp.prototype[@@split](string, limit)
	      ? function (string, arg) { return regexMethod.call(string, this, arg); }
	      // 21.2.5.6 RegExp.prototype[@@match](string)
	      // 21.2.5.9 RegExp.prototype[@@search](string)
	      : function (string) { return regexMethod.call(string, this); }
	    );
	  }

	  if (sham) createNonEnumerableProperty(RegExp.prototype[SYMBOL], 'sham', true);
	};

	// `SameValue` abstract operation
	// https://tc39.github.io/ecma262/#sec-samevalue
	var sameValue = Object.is || function is(x, y) {
	  // eslint-disable-next-line no-self-compare
	  return x === y ? x !== 0 || 1 / x === 1 / y : x != x && y != y;
	};

	// `RegExpExec` abstract operation
	// https://tc39.github.io/ecma262/#sec-regexpexec
	var regexpExecAbstract = function (R, S) {
	  var exec = R.exec;
	  if (typeof exec === 'function') {
	    var result = exec.call(R, S);
	    if (typeof result !== 'object') {
	      throw TypeError('RegExp exec method returned something other than an Object or null');
	    }
	    return result;
	  }

	  if (classofRaw(R) !== 'RegExp') {
	    throw TypeError('RegExp#exec called on incompatible receiver');
	  }

	  return regexpExec.call(R, S);
	};

	// @@search logic
	fixRegexpWellKnownSymbolLogic('search', 1, function (SEARCH, nativeSearch, maybeCallNative) {
	  return [
	    // `String.prototype.search` method
	    // https://tc39.github.io/ecma262/#sec-string.prototype.search
	    function search(regexp) {
	      var O = requireObjectCoercible(this);
	      var searcher = regexp == undefined ? undefined : regexp[SEARCH];
	      return searcher !== undefined ? searcher.call(regexp, O) : new RegExp(regexp)[SEARCH](String(O));
	    },
	    // `RegExp.prototype[@@search]` method
	    // https://tc39.github.io/ecma262/#sec-regexp.prototype-@@search
	    function (regexp) {
	      var res = maybeCallNative(nativeSearch, regexp, this);
	      if (res.done) return res.value;

	      var rx = anObject(regexp);
	      var S = String(this);

	      var previousLastIndex = rx.lastIndex;
	      if (!sameValue(previousLastIndex, 0)) rx.lastIndex = 0;
	      var result = regexpExecAbstract(rx, S);
	      if (!sameValue(rx.lastIndex, previousLastIndex)) rx.lastIndex = previousLastIndex;
	      return result === null ? -1 : result.index;
	    }
	  ];
	});

	// iterable DOM collections
	// flag - `iterable` interface - 'entries', 'keys', 'values', 'forEach' methods
	var domIterables = {
	  CSSRuleList: 0,
	  CSSStyleDeclaration: 0,
	  CSSValueList: 0,
	  ClientRectList: 0,
	  DOMRectList: 0,
	  DOMStringList: 0,
	  DOMTokenList: 1,
	  DataTransferItemList: 0,
	  FileList: 0,
	  HTMLAllCollection: 0,
	  HTMLCollection: 0,
	  HTMLFormElement: 0,
	  HTMLSelectElement: 0,
	  MediaList: 0,
	  MimeTypeArray: 0,
	  NamedNodeMap: 0,
	  NodeList: 1,
	  PaintRequestList: 0,
	  Plugin: 0,
	  PluginArray: 0,
	  SVGLengthList: 0,
	  SVGNumberList: 0,
	  SVGPathSegList: 0,
	  SVGPointList: 0,
	  SVGStringList: 0,
	  SVGTransformList: 0,
	  SourceBufferList: 0,
	  StyleSheetList: 0,
	  TextTrackCueList: 0,
	  TextTrackList: 0,
	  TouchList: 0
	};

	for (var COLLECTION_NAME in domIterables) {
	  var Collection = global_1[COLLECTION_NAME];
	  var CollectionPrototype = Collection && Collection.prototype;
	  // some Chrome versions have non-configurable methods on DOMTokenList
	  if (CollectionPrototype && CollectionPrototype.forEach !== arrayForEach) try {
	    createNonEnumerableProperty(CollectionPrototype, 'forEach', arrayForEach);
	  } catch (error) {
	    CollectionPrototype.forEach = arrayForEach;
	  }
	}

	var IS_CONCAT_SPREADABLE = wellKnownSymbol('isConcatSpreadable');
	var MAX_SAFE_INTEGER$1 = 0x1FFFFFFFFFFFFF;
	var MAXIMUM_ALLOWED_INDEX_EXCEEDED = 'Maximum allowed index exceeded';

	// We can't use this feature detection in V8 since it causes
	// deoptimization and serious performance degradation
	// https://github.com/zloirock/core-js/issues/679
	var IS_CONCAT_SPREADABLE_SUPPORT = engineV8Version >= 51 || !fails(function () {
	  var array = [];
	  array[IS_CONCAT_SPREADABLE] = false;
	  return array.concat()[0] !== array;
	});

	var SPECIES_SUPPORT = arrayMethodHasSpeciesSupport('concat');

	var isConcatSpreadable = function (O) {
	  if (!isObject(O)) return false;
	  var spreadable = O[IS_CONCAT_SPREADABLE];
	  return spreadable !== undefined ? !!spreadable : isArray(O);
	};

	var FORCED = !IS_CONCAT_SPREADABLE_SUPPORT || !SPECIES_SUPPORT;

	// `Array.prototype.concat` method
	// https://tc39.github.io/ecma262/#sec-array.prototype.concat
	// with adding support of @@isConcatSpreadable and @@species
	_export({ target: 'Array', proto: true, forced: FORCED }, {
	  concat: function concat(arg) { // eslint-disable-line no-unused-vars
	    var O = toObject(this);
	    var A = arraySpeciesCreate(O, 0);
	    var n = 0;
	    var i, k, length, len, E;
	    for (i = -1, length = arguments.length; i < length; i++) {
	      E = i === -1 ? O : arguments[i];
	      if (isConcatSpreadable(E)) {
	        len = toLength(E.length);
	        if (n + len > MAX_SAFE_INTEGER$1) throw TypeError(MAXIMUM_ALLOWED_INDEX_EXCEEDED);
	        for (k = 0; k < len; k++, n++) if (k in E) createProperty(A, n, E[k]);
	      } else {
	        if (n >= MAX_SAFE_INTEGER$1) throw TypeError(MAXIMUM_ALLOWED_INDEX_EXCEEDED);
	        createProperty(A, n++, E);
	      }
	    }
	    A.length = n;
	    return A;
	  }
	});

	var global$1 = typeof global$2 !== "undefined" ? global$2 : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {};

	var global$2 = typeof global$1 !== "undefined" ? global$1 : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {};

	// based off https://github.com/defunctzombie/node-process/blob/master/browser.js

	function defaultSetTimout() {
	  throw new Error('setTimeout has not been defined');
	}

	function defaultClearTimeout() {
	  throw new Error('clearTimeout has not been defined');
	}

	var cachedSetTimeout = defaultSetTimout;
	var cachedClearTimeout = defaultClearTimeout;

	if (typeof global$2.setTimeout === 'function') {
	  cachedSetTimeout = setTimeout;
	}

	if (typeof global$2.clearTimeout === 'function') {
	  cachedClearTimeout = clearTimeout;
	}

	function runTimeout(fun) {
	  if (cachedSetTimeout === setTimeout) {
	    //normal enviroments in sane situations
	    return setTimeout(fun, 0);
	  } // if setTimeout wasn't available but was latter defined


	  if ((cachedSetTimeout === defaultSetTimout || !cachedSetTimeout) && setTimeout) {
	    cachedSetTimeout = setTimeout;
	    return setTimeout(fun, 0);
	  }

	  try {
	    // when when somebody has screwed with setTimeout but no I.E. maddness
	    return cachedSetTimeout(fun, 0);
	  } catch (e) {
	    try {
	      // When we are in I.E. but the script has been evaled so I.E. doesn't trust the global object when called normally
	      return cachedSetTimeout.call(null, fun, 0);
	    } catch (e) {
	      // same as above but when it's a version of I.E. that must have the global object for 'this', hopfully our context correct otherwise it will throw a global error
	      return cachedSetTimeout.call(this, fun, 0);
	    }
	  }
	}

	function runClearTimeout(marker) {
	  if (cachedClearTimeout === clearTimeout) {
	    //normal enviroments in sane situations
	    return clearTimeout(marker);
	  } // if clearTimeout wasn't available but was latter defined


	  if ((cachedClearTimeout === defaultClearTimeout || !cachedClearTimeout) && clearTimeout) {
	    cachedClearTimeout = clearTimeout;
	    return clearTimeout(marker);
	  }

	  try {
	    // when when somebody has screwed with setTimeout but no I.E. maddness
	    return cachedClearTimeout(marker);
	  } catch (e) {
	    try {
	      // When we are in I.E. but the script has been evaled so I.E. doesn't  trust the global object when called normally
	      return cachedClearTimeout.call(null, marker);
	    } catch (e) {
	      // same as above but when it's a version of I.E. that must have the global object for 'this', hopfully our context correct otherwise it will throw a global error.
	      // Some versions of I.E. have different rules for clearTimeout vs setTimeout
	      return cachedClearTimeout.call(this, marker);
	    }
	  }
	}

	var queue = [];
	var draining = false;
	var currentQueue;
	var queueIndex = -1;

	function cleanUpNextTick() {
	  if (!draining || !currentQueue) {
	    return;
	  }

	  draining = false;

	  if (currentQueue.length) {
	    queue = currentQueue.concat(queue);
	  } else {
	    queueIndex = -1;
	  }

	  if (queue.length) {
	    drainQueue();
	  }
	}

	function drainQueue() {
	  if (draining) {
	    return;
	  }

	  var timeout = runTimeout(cleanUpNextTick);
	  draining = true;
	  var len = queue.length;

	  while (len) {
	    currentQueue = queue;
	    queue = [];

	    while (++queueIndex < len) {
	      if (currentQueue) {
	        currentQueue[queueIndex].run();
	      }
	    }

	    queueIndex = -1;
	    len = queue.length;
	  }

	  currentQueue = null;
	  draining = false;
	  runClearTimeout(timeout);
	}

	function nextTick(fun) {
	  var args = new Array(arguments.length - 1);

	  if (arguments.length > 1) {
	    for (var i = 1; i < arguments.length; i++) {
	      args[i - 1] = arguments[i];
	    }
	  }

	  queue.push(new Item(fun, args));

	  if (queue.length === 1 && !draining) {
	    runTimeout(drainQueue);
	  }
	} // v8 likes predictible objects

	function Item(fun, array) {
	  this.fun = fun;
	  this.array = array;
	}

	Item.prototype.run = function () {
	  this.fun.apply(null, this.array);
	};

	var title = 'browser';
	var platform = 'browser';
	var browser = true;
	var env = {};
	var argv = [];
	var version$1 = ''; // empty string to avoid regexp issues

	var versions$1 = {};
	var release = {};
	var config = {};

	function noop() {}

	var on = noop;
	var addListener = noop;
	var once = noop;
	var off = noop;
	var removeListener = noop;
	var removeAllListeners = noop;
	var emit = noop;
	function binding(name) {
	  throw new Error('process.binding is not supported');
	}
	function cwd() {
	  return '/';
	}
	function chdir(dir) {
	  throw new Error('process.chdir is not supported');
	}
	function umask() {
	  return 0;
	} // from https://github.com/kumavis/browser-process-hrtime/blob/master/index.js

	var performance = global$2.performance || {};

	var performanceNow = performance.now || performance.mozNow || performance.msNow || performance.oNow || performance.webkitNow || function () {
	  return new Date().getTime();
	}; // generate timestamp or delta
	// see http://nodejs.org/api/process.html#process_process_hrtime


	function hrtime(previousTimestamp) {
	  var clocktime = performanceNow.call(performance) * 1e-3;
	  var seconds = Math.floor(clocktime);
	  var nanoseconds = Math.floor(clocktime % 1 * 1e9);

	  if (previousTimestamp) {
	    seconds = seconds - previousTimestamp[0];
	    nanoseconds = nanoseconds - previousTimestamp[1];

	    if (nanoseconds < 0) {
	      seconds--;
	      nanoseconds += 1e9;
	    }
	  }

	  return [seconds, nanoseconds];
	}
	var startTime = new Date();
	function uptime() {
	  var currentTime = new Date();
	  var dif = currentTime - startTime;
	  return dif / 1000;
	}
	var process$1 = {
	  nextTick: nextTick,
	  title: title,
	  browser: browser,
	  env: env,
	  argv: argv,
	  version: version$1,
	  versions: versions$1,
	  on: on,
	  addListener: addListener,
	  once: once,
	  off: off,
	  removeListener: removeListener,
	  removeAllListeners: removeAllListeners,
	  emit: emit,
	  binding: binding,
	  cwd: cwd,
	  chdir: chdir,
	  umask: umask,
	  hrtime: hrtime,
	  platform: platform,
	  release: release,
	  config: config,
	  uptime: uptime
	};

	var TO_STRING_TAG = wellKnownSymbol('toStringTag');
	var test = {};

	test[TO_STRING_TAG] = 'z';

	var toStringTagSupport = String(test) === '[object z]';

	var TO_STRING_TAG$1 = wellKnownSymbol('toStringTag');
	// ES3 wrong here
	var CORRECT_ARGUMENTS = classofRaw(function () { return arguments; }()) == 'Arguments';

	// fallback for IE11 Script Access Denied error
	var tryGet = function (it, key) {
	  try {
	    return it[key];
	  } catch (error) { /* empty */ }
	};

	// getting tag from ES6+ `Object.prototype.toString`
	var classof = toStringTagSupport ? classofRaw : function (it) {
	  var O, tag, result;
	  return it === undefined ? 'Undefined' : it === null ? 'Null'
	    // @@toStringTag case
	    : typeof (tag = tryGet(O = Object(it), TO_STRING_TAG$1)) == 'string' ? tag
	    // builtinTag case
	    : CORRECT_ARGUMENTS ? classofRaw(O)
	    // ES3 arguments fallback
	    : (result = classofRaw(O)) == 'Object' && typeof O.callee == 'function' ? 'Arguments' : result;
	};

	// `Object.prototype.toString` method implementation
	// https://tc39.github.io/ecma262/#sec-object.prototype.tostring
	var objectToString = toStringTagSupport ? {}.toString : function toString() {
	  return '[object ' + classof(this) + ']';
	};

	// `Object.prototype.toString` method
	// https://tc39.github.io/ecma262/#sec-object.prototype.tostring
	if (!toStringTagSupport) {
	  redefine(Object.prototype, 'toString', objectToString, { unsafe: true });
	}

	var TO_STRING = 'toString';
	var RegExpPrototype = RegExp.prototype;
	var nativeToString = RegExpPrototype[TO_STRING];

	var NOT_GENERIC = fails(function () { return nativeToString.call({ source: 'a', flags: 'b' }) != '/a/b'; });
	// FF44- RegExp#toString has a wrong name
	var INCORRECT_NAME = nativeToString.name != TO_STRING;

	// `RegExp.prototype.toString` method
	// https://tc39.github.io/ecma262/#sec-regexp.prototype.tostring
	if (NOT_GENERIC || INCORRECT_NAME) {
	  redefine(RegExp.prototype, TO_STRING, function toString() {
	    var R = anObject(this);
	    var p = String(R.source);
	    var rf = R.flags;
	    var f = String(rf === undefined && R instanceof RegExp && !('flags' in RegExpPrototype) ? regexpFlags.call(R) : rf);
	    return '/' + p + '/' + f;
	  }, { unsafe: true });
	}

	var defineProperty$2 = objectDefineProperty.f;

	var FunctionPrototype = Function.prototype;
	var FunctionPrototypeToString = FunctionPrototype.toString;
	var nameRE = /^\s*function ([^ (]*)/;
	var NAME = 'name';

	// Function instances `.name` property
	// https://tc39.github.io/ecma262/#sec-function-instances-name
	if (descriptors && !(NAME in FunctionPrototype)) {
	  defineProperty$2(FunctionPrototype, NAME, {
	    configurable: true,
	    get: function () {
	      try {
	        return FunctionPrototypeToString.call(this).match(nameRE)[1];
	      } catch (error) {
	        return '';
	      }
	    }
	  });
	}

	var correctPrototypeGetter = !fails(function () {
	  function F() { /* empty */ }
	  F.prototype.constructor = null;
	  return Object.getPrototypeOf(new F()) !== F.prototype;
	});

	var IE_PROTO = sharedKey('IE_PROTO');
	var ObjectPrototype = Object.prototype;

	// `Object.getPrototypeOf` method
	// https://tc39.github.io/ecma262/#sec-object.getprototypeof
	var objectGetPrototypeOf = correctPrototypeGetter ? Object.getPrototypeOf : function (O) {
	  O = toObject(O);
	  if (has(O, IE_PROTO)) return O[IE_PROTO];
	  if (typeof O.constructor == 'function' && O instanceof O.constructor) {
	    return O.constructor.prototype;
	  } return O instanceof Object ? ObjectPrototype : null;
	};

	var FAILS_ON_PRIMITIVES$1 = fails(function () { objectGetPrototypeOf(1); });

	// `Object.getPrototypeOf` method
	// https://tc39.github.io/ecma262/#sec-object.getprototypeof
	_export({ target: 'Object', stat: true, forced: FAILS_ON_PRIMITIVES$1, sham: !correctPrototypeGetter }, {
	  getPrototypeOf: function getPrototypeOf(it) {
	    return objectGetPrototypeOf(toObject(it));
	  }
	});

	// `Reflect.ownKeys` method
	// https://tc39.github.io/ecma262/#sec-reflect.ownkeys
	_export({ target: 'Reflect', stat: true }, {
	  ownKeys: ownKeys
	});

	var domain; // This constructor is used to store event handlers. Instantiating this is
	// faster than explicitly calling `Object.create(null)` to get a "clean" empty
	// object (tested with v8 v4.9).

	function EventHandlers() {}

	EventHandlers.prototype = Object.create(null);

	function EventEmitter() {
	  EventEmitter.init.call(this);
	}
	// require('events') === require('events').EventEmitter

	EventEmitter.EventEmitter = EventEmitter;
	EventEmitter.usingDomains = false;
	EventEmitter.prototype.domain = undefined;
	EventEmitter.prototype._events = undefined;
	EventEmitter.prototype._maxListeners = undefined; // By default EventEmitters will print a warning if more than 10 listeners are
	// added to it. This is a useful default which helps finding memory leaks.

	EventEmitter.defaultMaxListeners = 10;

	EventEmitter.init = function () {
	  this.domain = null;

	  if (EventEmitter.usingDomains) {
	    // if there is an active domain, then attach to it.
	    if (domain.active ) ;
	  }

	  if (!this._events || this._events === Object.getPrototypeOf(this)._events) {
	    this._events = new EventHandlers();
	    this._eventsCount = 0;
	  }

	  this._maxListeners = this._maxListeners || undefined;
	}; // Obviously not all Emitters should be limited to 10. This function allows
	// that to be increased. Set to zero for unlimited.


	EventEmitter.prototype.setMaxListeners = function setMaxListeners(n) {
	  if (typeof n !== 'number' || n < 0 || isNaN(n)) throw new TypeError('"n" argument must be a positive number');
	  this._maxListeners = n;
	  return this;
	};

	function $getMaxListeners(that) {
	  if (that._maxListeners === undefined) return EventEmitter.defaultMaxListeners;
	  return that._maxListeners;
	}

	EventEmitter.prototype.getMaxListeners = function getMaxListeners() {
	  return $getMaxListeners(this);
	}; // These standalone emit* functions are used to optimize calling of event
	// handlers for fast cases because emit() itself often has a variable number of
	// arguments and can be deoptimized because of that. These functions always have
	// the same number of arguments and thus do not get deoptimized, so the code
	// inside them can execute faster.


	function emitNone(handler, isFn, self) {
	  if (isFn) handler.call(self);else {
	    var len = handler.length;
	    var listeners = arrayClone(handler, len);

	    for (var i = 0; i < len; ++i) {
	      listeners[i].call(self);
	    }
	  }
	}

	function emitOne(handler, isFn, self, arg1) {
	  if (isFn) handler.call(self, arg1);else {
	    var len = handler.length;
	    var listeners = arrayClone(handler, len);

	    for (var i = 0; i < len; ++i) {
	      listeners[i].call(self, arg1);
	    }
	  }
	}

	function emitTwo(handler, isFn, self, arg1, arg2) {
	  if (isFn) handler.call(self, arg1, arg2);else {
	    var len = handler.length;
	    var listeners = arrayClone(handler, len);

	    for (var i = 0; i < len; ++i) {
	      listeners[i].call(self, arg1, arg2);
	    }
	  }
	}

	function emitThree(handler, isFn, self, arg1, arg2, arg3) {
	  if (isFn) handler.call(self, arg1, arg2, arg3);else {
	    var len = handler.length;
	    var listeners = arrayClone(handler, len);

	    for (var i = 0; i < len; ++i) {
	      listeners[i].call(self, arg1, arg2, arg3);
	    }
	  }
	}

	function emitMany(handler, isFn, self, args) {
	  if (isFn) handler.apply(self, args);else {
	    var len = handler.length;
	    var listeners = arrayClone(handler, len);

	    for (var i = 0; i < len; ++i) {
	      listeners[i].apply(self, args);
	    }
	  }
	}

	EventEmitter.prototype.emit = function emit(type) {
	  var er, handler, len, args, i, events, domain;
	  var doError = type === 'error';
	  events = this._events;
	  if (events) doError = doError && events.error == null;else if (!doError) return false;
	  domain = this.domain; // If there is no 'error' event listener then throw.

	  if (doError) {
	    er = arguments[1];

	    if (domain) {
	      if (!er) er = new Error('Uncaught, unspecified "error" event');
	      er.domainEmitter = this;
	      er.domain = domain;
	      er.domainThrown = false;
	      domain.emit('error', er);
	    } else if (er instanceof Error) {
	      throw er; // Unhandled 'error' event
	    } else {
	      // At least give some kind of context to the user
	      var err = new Error('Uncaught, unspecified "error" event. (' + er + ')');
	      err.context = er;
	      throw err;
	    }

	    return false;
	  }

	  handler = events[type];
	  if (!handler) return false;
	  var isFn = typeof handler === 'function';
	  len = arguments.length;

	  switch (len) {
	    // fast cases
	    case 1:
	      emitNone(handler, isFn, this);
	      break;

	    case 2:
	      emitOne(handler, isFn, this, arguments[1]);
	      break;

	    case 3:
	      emitTwo(handler, isFn, this, arguments[1], arguments[2]);
	      break;

	    case 4:
	      emitThree(handler, isFn, this, arguments[1], arguments[2], arguments[3]);
	      break;
	    // slower

	    default:
	      args = new Array(len - 1);

	      for (i = 1; i < len; i++) {
	        args[i - 1] = arguments[i];
	      }

	      emitMany(handler, isFn, this, args);
	  }
	  return true;
	};

	function _addListener(target, type, listener, prepend) {
	  var m;
	  var events;
	  var existing;
	  if (typeof listener !== 'function') throw new TypeError('"listener" argument must be a function');
	  events = target._events;

	  if (!events) {
	    events = target._events = new EventHandlers();
	    target._eventsCount = 0;
	  } else {
	    // To avoid recursion in the case that type === "newListener"! Before
	    // adding it to the listeners, first emit "newListener".
	    if (events.newListener) {
	      target.emit('newListener', type, listener.listener ? listener.listener : listener); // Re-assign `events` because a newListener handler could have caused the
	      // this._events to be assigned to a new object

	      events = target._events;
	    }

	    existing = events[type];
	  }

	  if (!existing) {
	    // Optimize the case of one listener. Don't need the extra array object.
	    existing = events[type] = listener;
	    ++target._eventsCount;
	  } else {
	    if (typeof existing === 'function') {
	      // Adding the second element, need to change to array.
	      existing = events[type] = prepend ? [listener, existing] : [existing, listener];
	    } else {
	      // If we've already got an array, just append.
	      if (prepend) {
	        existing.unshift(listener);
	      } else {
	        existing.push(listener);
	      }
	    } // Check for listener leak


	    if (!existing.warned) {
	      m = $getMaxListeners(target);

	      if (m && m > 0 && existing.length > m) {
	        existing.warned = true;
	        var w = new Error('Possible EventEmitter memory leak detected. ' + existing.length + ' ' + type + ' listeners added. ' + 'Use emitter.setMaxListeners() to increase limit');
	        w.name = 'MaxListenersExceededWarning';
	        w.emitter = target;
	        w.type = type;
	        w.count = existing.length;
	        emitWarning(w);
	      }
	    }
	  }

	  return target;
	}

	function emitWarning(e) {
	  typeof console.warn === 'function' ? console.warn(e) : console.log(e);
	}

	EventEmitter.prototype.addListener = function addListener(type, listener) {
	  return _addListener(this, type, listener, false);
	};

	EventEmitter.prototype.on = EventEmitter.prototype.addListener;

	EventEmitter.prototype.prependListener = function prependListener(type, listener) {
	  return _addListener(this, type, listener, true);
	};

	function _onceWrap(target, type, listener) {
	  var fired = false;

	  function g() {
	    target.removeListener(type, g);

	    if (!fired) {
	      fired = true;
	      listener.apply(target, arguments);
	    }
	  }

	  g.listener = listener;
	  return g;
	}

	EventEmitter.prototype.once = function once(type, listener) {
	  if (typeof listener !== 'function') throw new TypeError('"listener" argument must be a function');
	  this.on(type, _onceWrap(this, type, listener));
	  return this;
	};

	EventEmitter.prototype.prependOnceListener = function prependOnceListener(type, listener) {
	  if (typeof listener !== 'function') throw new TypeError('"listener" argument must be a function');
	  this.prependListener(type, _onceWrap(this, type, listener));
	  return this;
	}; // emits a 'removeListener' event iff the listener was removed


	EventEmitter.prototype.removeListener = function removeListener(type, listener) {
	  var list, events, position, i, originalListener;
	  if (typeof listener !== 'function') throw new TypeError('"listener" argument must be a function');
	  events = this._events;
	  if (!events) return this;
	  list = events[type];
	  if (!list) return this;

	  if (list === listener || list.listener && list.listener === listener) {
	    if (--this._eventsCount === 0) this._events = new EventHandlers();else {
	      delete events[type];
	      if (events.removeListener) this.emit('removeListener', type, list.listener || listener);
	    }
	  } else if (typeof list !== 'function') {
	    position = -1;

	    for (i = list.length; i-- > 0;) {
	      if (list[i] === listener || list[i].listener && list[i].listener === listener) {
	        originalListener = list[i].listener;
	        position = i;
	        break;
	      }
	    }

	    if (position < 0) return this;

	    if (list.length === 1) {
	      list[0] = undefined;

	      if (--this._eventsCount === 0) {
	        this._events = new EventHandlers();
	        return this;
	      } else {
	        delete events[type];
	      }
	    } else {
	      spliceOne(list, position);
	    }

	    if (events.removeListener) this.emit('removeListener', type, originalListener || listener);
	  }

	  return this;
	};

	EventEmitter.prototype.removeAllListeners = function removeAllListeners(type) {
	  var listeners, events;
	  events = this._events;
	  if (!events) return this; // not listening for removeListener, no need to emit

	  if (!events.removeListener) {
	    if (arguments.length === 0) {
	      this._events = new EventHandlers();
	      this._eventsCount = 0;
	    } else if (events[type]) {
	      if (--this._eventsCount === 0) this._events = new EventHandlers();else delete events[type];
	    }

	    return this;
	  } // emit removeListener for all listeners on all events


	  if (arguments.length === 0) {
	    var keys = Object.keys(events);

	    for (var i = 0, key; i < keys.length; ++i) {
	      key = keys[i];
	      if (key === 'removeListener') continue;
	      this.removeAllListeners(key);
	    }

	    this.removeAllListeners('removeListener');
	    this._events = new EventHandlers();
	    this._eventsCount = 0;
	    return this;
	  }

	  listeners = events[type];

	  if (typeof listeners === 'function') {
	    this.removeListener(type, listeners);
	  } else if (listeners) {
	    // LIFO order
	    do {
	      this.removeListener(type, listeners[listeners.length - 1]);
	    } while (listeners[0]);
	  }

	  return this;
	};

	EventEmitter.prototype.listeners = function listeners(type) {
	  var evlistener;
	  var ret;
	  var events = this._events;
	  if (!events) ret = [];else {
	    evlistener = events[type];
	    if (!evlistener) ret = [];else if (typeof evlistener === 'function') ret = [evlistener.listener || evlistener];else ret = unwrapListeners(evlistener);
	  }
	  return ret;
	};

	EventEmitter.listenerCount = function (emitter, type) {
	  if (typeof emitter.listenerCount === 'function') {
	    return emitter.listenerCount(type);
	  } else {
	    return listenerCount.call(emitter, type);
	  }
	};

	EventEmitter.prototype.listenerCount = listenerCount;

	function listenerCount(type) {
	  var events = this._events;

	  if (events) {
	    var evlistener = events[type];

	    if (typeof evlistener === 'function') {
	      return 1;
	    } else if (evlistener) {
	      return evlistener.length;
	    }
	  }

	  return 0;
	}

	EventEmitter.prototype.eventNames = function eventNames() {
	  return this._eventsCount > 0 ? Reflect.ownKeys(this._events) : [];
	}; // About 1.5x faster than the two-arg version of Array#splice().


	function spliceOne(list, index) {
	  for (var i = index, k = i + 1, n = list.length; k < n; i += 1, k += 1) {
	    list[i] = list[k];
	  }

	  list.pop();
	}

	function arrayClone(arr, i) {
	  var copy = new Array(i);

	  while (i--) {
	    copy[i] = arr[i];
	  }

	  return copy;
	}

	function unwrapListeners(arr) {
	  var ret = new Array(arr.length);

	  for (var i = 0; i < ret.length; ++i) {
	    ret[i] = arr[i].listener || arr[i];
	  }

	  return ret;
	}

	var nativeJoin = [].join;

	var ES3_STRINGS = indexedObject != Object;
	var STRICT_METHOD$2 = arrayMethodIsStrict('join', ',');

	// `Array.prototype.join` method
	// https://tc39.github.io/ecma262/#sec-array.prototype.join
	_export({ target: 'Array', proto: true, forced: ES3_STRINGS || !STRICT_METHOD$2 }, {
	  join: function join(separator) {
	    return nativeJoin.call(toIndexedObject(this), separator === undefined ? ',' : separator);
	  }
	});

	var $map = arrayIteration.map;



	var HAS_SPECIES_SUPPORT$2 = arrayMethodHasSpeciesSupport('map');
	// FF49- issue
	var USES_TO_LENGTH$4 = arrayMethodUsesToLength('map');

	// `Array.prototype.map` method
	// https://tc39.github.io/ecma262/#sec-array.prototype.map
	// with adding support of @@species
	_export({ target: 'Array', proto: true, forced: !HAS_SPECIES_SUPPORT$2 || !USES_TO_LENGTH$4 }, {
	  map: function map(callbackfn /* , thisArg */) {
	    return $map(this, callbackfn, arguments.length > 1 ? arguments[1] : undefined);
	  }
	});

	// `Array.prototype.{ reduce, reduceRight }` methods implementation
	var createMethod$2 = function (IS_RIGHT) {
	  return function (that, callbackfn, argumentsLength, memo) {
	    aFunction$1(callbackfn);
	    var O = toObject(that);
	    var self = indexedObject(O);
	    var length = toLength(O.length);
	    var index = IS_RIGHT ? length - 1 : 0;
	    var i = IS_RIGHT ? -1 : 1;
	    if (argumentsLength < 2) while (true) {
	      if (index in self) {
	        memo = self[index];
	        index += i;
	        break;
	      }
	      index += i;
	      if (IS_RIGHT ? index < 0 : length <= index) {
	        throw TypeError('Reduce of empty array with no initial value');
	      }
	    }
	    for (;IS_RIGHT ? index >= 0 : length > index; index += i) if (index in self) {
	      memo = callbackfn(memo, self[index], index, O);
	    }
	    return memo;
	  };
	};

	var arrayReduce = {
	  // `Array.prototype.reduce` method
	  // https://tc39.github.io/ecma262/#sec-array.prototype.reduce
	  left: createMethod$2(false),
	  // `Array.prototype.reduceRight` method
	  // https://tc39.github.io/ecma262/#sec-array.prototype.reduceright
	  right: createMethod$2(true)
	};

	var $reduce = arrayReduce.left;



	var STRICT_METHOD$3 = arrayMethodIsStrict('reduce');
	var USES_TO_LENGTH$5 = arrayMethodUsesToLength('reduce', { 1: 0 });

	// `Array.prototype.reduce` method
	// https://tc39.github.io/ecma262/#sec-array.prototype.reduce
	_export({ target: 'Array', proto: true, forced: !STRICT_METHOD$3 || !USES_TO_LENGTH$5 }, {
	  reduce: function reduce(callbackfn /* , initialValue */) {
	    return $reduce(this, callbackfn, arguments.length, arguments.length > 1 ? arguments[1] : undefined);
	  }
	});

	var aPossiblePrototype = function (it) {
	  if (!isObject(it) && it !== null) {
	    throw TypeError("Can't set " + String(it) + ' as a prototype');
	  } return it;
	};

	// `Object.setPrototypeOf` method
	// https://tc39.github.io/ecma262/#sec-object.setprototypeof
	// Works with __proto__ only. Old v8 can't work with null proto objects.
	/* eslint-disable no-proto */
	var objectSetPrototypeOf = Object.setPrototypeOf || ('__proto__' in {} ? function () {
	  var CORRECT_SETTER = false;
	  var test = {};
	  var setter;
	  try {
	    setter = Object.getOwnPropertyDescriptor(Object.prototype, '__proto__').set;
	    setter.call(test, []);
	    CORRECT_SETTER = test instanceof Array;
	  } catch (error) { /* empty */ }
	  return function setPrototypeOf(O, proto) {
	    anObject(O);
	    aPossiblePrototype(proto);
	    if (CORRECT_SETTER) setter.call(O, proto);
	    else O.__proto__ = proto;
	    return O;
	  };
	}() : undefined);

	// makes subclassing work correct for wrapped built-ins
	var inheritIfRequired = function ($this, dummy, Wrapper) {
	  var NewTarget, NewTargetPrototype;
	  if (
	    // it can work only with native `setPrototypeOf`
	    objectSetPrototypeOf &&
	    // we haven't completely correct pre-ES6 way for getting `new.target`, so use this
	    typeof (NewTarget = dummy.constructor) == 'function' &&
	    NewTarget !== Wrapper &&
	    isObject(NewTargetPrototype = NewTarget.prototype) &&
	    NewTargetPrototype !== Wrapper.prototype
	  ) objectSetPrototypeOf($this, NewTargetPrototype);
	  return $this;
	};

	// `Object.defineProperties` method
	// https://tc39.github.io/ecma262/#sec-object.defineproperties
	var objectDefineProperties = descriptors ? Object.defineProperties : function defineProperties(O, Properties) {
	  anObject(O);
	  var keys = objectKeys(Properties);
	  var length = keys.length;
	  var index = 0;
	  var key;
	  while (length > index) objectDefineProperty.f(O, key = keys[index++], Properties[key]);
	  return O;
	};

	var html = getBuiltIn('document', 'documentElement');

	var GT = '>';
	var LT = '<';
	var PROTOTYPE = 'prototype';
	var SCRIPT = 'script';
	var IE_PROTO$1 = sharedKey('IE_PROTO');

	var EmptyConstructor = function () { /* empty */ };

	var scriptTag = function (content) {
	  return LT + SCRIPT + GT + content + LT + '/' + SCRIPT + GT;
	};

	// Create object with fake `null` prototype: use ActiveX Object with cleared prototype
	var NullProtoObjectViaActiveX = function (activeXDocument) {
	  activeXDocument.write(scriptTag(''));
	  activeXDocument.close();
	  var temp = activeXDocument.parentWindow.Object;
	  activeXDocument = null; // avoid memory leak
	  return temp;
	};

	// Create object with fake `null` prototype: use iframe Object with cleared prototype
	var NullProtoObjectViaIFrame = function () {
	  // Thrash, waste and sodomy: IE GC bug
	  var iframe = documentCreateElement('iframe');
	  var JS = 'java' + SCRIPT + ':';
	  var iframeDocument;
	  iframe.style.display = 'none';
	  html.appendChild(iframe);
	  // https://github.com/zloirock/core-js/issues/475
	  iframe.src = String(JS);
	  iframeDocument = iframe.contentWindow.document;
	  iframeDocument.open();
	  iframeDocument.write(scriptTag('document.F=Object'));
	  iframeDocument.close();
	  return iframeDocument.F;
	};

	// Check for document.domain and active x support
	// No need to use active x approach when document.domain is not set
	// see https://github.com/es-shims/es5-shim/issues/150
	// variation of https://github.com/kitcambridge/es5-shim/commit/4f738ac066346
	// avoid IE GC bug
	var activeXDocument;
	var NullProtoObject = function () {
	  try {
	    /* global ActiveXObject */
	    activeXDocument = document.domain && new ActiveXObject('htmlfile');
	  } catch (error) { /* ignore */ }
	  NullProtoObject = activeXDocument ? NullProtoObjectViaActiveX(activeXDocument) : NullProtoObjectViaIFrame();
	  var length = enumBugKeys.length;
	  while (length--) delete NullProtoObject[PROTOTYPE][enumBugKeys[length]];
	  return NullProtoObject();
	};

	hiddenKeys[IE_PROTO$1] = true;

	// `Object.create` method
	// https://tc39.github.io/ecma262/#sec-object.create
	var objectCreate = Object.create || function create(O, Properties) {
	  var result;
	  if (O !== null) {
	    EmptyConstructor[PROTOTYPE] = anObject(O);
	    result = new EmptyConstructor();
	    EmptyConstructor[PROTOTYPE] = null;
	    // add "__proto__" for Object.getPrototypeOf polyfill
	    result[IE_PROTO$1] = O;
	  } else result = NullProtoObject();
	  return Properties === undefined ? result : objectDefineProperties(result, Properties);
	};

	// a string of all valid unicode whitespaces
	// eslint-disable-next-line max-len
	var whitespaces = '\u0009\u000A\u000B\u000C\u000D\u0020\u00A0\u1680\u2000\u2001\u2002\u2003\u2004\u2005\u2006\u2007\u2008\u2009\u200A\u202F\u205F\u3000\u2028\u2029\uFEFF';

	var whitespace = '[' + whitespaces + ']';
	var ltrim = RegExp('^' + whitespace + whitespace + '*');
	var rtrim = RegExp(whitespace + whitespace + '*$');

	// `String.prototype.{ trim, trimStart, trimEnd, trimLeft, trimRight }` methods implementation
	var createMethod$3 = function (TYPE) {
	  return function ($this) {
	    var string = String(requireObjectCoercible($this));
	    if (TYPE & 1) string = string.replace(ltrim, '');
	    if (TYPE & 2) string = string.replace(rtrim, '');
	    return string;
	  };
	};

	var stringTrim = {
	  // `String.prototype.{ trimLeft, trimStart }` methods
	  // https://tc39.github.io/ecma262/#sec-string.prototype.trimstart
	  start: createMethod$3(1),
	  // `String.prototype.{ trimRight, trimEnd }` methods
	  // https://tc39.github.io/ecma262/#sec-string.prototype.trimend
	  end: createMethod$3(2),
	  // `String.prototype.trim` method
	  // https://tc39.github.io/ecma262/#sec-string.prototype.trim
	  trim: createMethod$3(3)
	};

	var getOwnPropertyNames = objectGetOwnPropertyNames.f;
	var getOwnPropertyDescriptor$2 = objectGetOwnPropertyDescriptor.f;
	var defineProperty$3 = objectDefineProperty.f;
	var trim = stringTrim.trim;

	var NUMBER = 'Number';
	var NativeNumber = global_1[NUMBER];
	var NumberPrototype = NativeNumber.prototype;

	// Opera ~12 has broken Object#toString
	var BROKEN_CLASSOF = classofRaw(objectCreate(NumberPrototype)) == NUMBER;

	// `ToNumber` abstract operation
	// https://tc39.github.io/ecma262/#sec-tonumber
	var toNumber = function (argument) {
	  var it = toPrimitive(argument, false);
	  var first, third, radix, maxCode, digits, length, index, code;
	  if (typeof it == 'string' && it.length > 2) {
	    it = trim(it);
	    first = it.charCodeAt(0);
	    if (first === 43 || first === 45) {
	      third = it.charCodeAt(2);
	      if (third === 88 || third === 120) return NaN; // Number('+0x1') should be NaN, old V8 fix
	    } else if (first === 48) {
	      switch (it.charCodeAt(1)) {
	        case 66: case 98: radix = 2; maxCode = 49; break; // fast equal of /^0b[01]+$/i
	        case 79: case 111: radix = 8; maxCode = 55; break; // fast equal of /^0o[0-7]+$/i
	        default: return +it;
	      }
	      digits = it.slice(2);
	      length = digits.length;
	      for (index = 0; index < length; index++) {
	        code = digits.charCodeAt(index);
	        // parseInt parses a string to a first unavailable symbol
	        // but ToNumber should return NaN if a string contains unavailable symbols
	        if (code < 48 || code > maxCode) return NaN;
	      } return parseInt(digits, radix);
	    }
	  } return +it;
	};

	// `Number` constructor
	// https://tc39.github.io/ecma262/#sec-number-constructor
	if (isForced_1(NUMBER, !NativeNumber(' 0o1') || !NativeNumber('0b1') || NativeNumber('+0x1'))) {
	  var NumberWrapper = function Number(value) {
	    var it = arguments.length < 1 ? 0 : value;
	    var dummy = this;
	    return dummy instanceof NumberWrapper
	      // check on 1..constructor(foo) case
	      && (BROKEN_CLASSOF ? fails(function () { NumberPrototype.valueOf.call(dummy); }) : classofRaw(dummy) != NUMBER)
	        ? inheritIfRequired(new NativeNumber(toNumber(it)), dummy, NumberWrapper) : toNumber(it);
	  };
	  for (var keys$1 = descriptors ? getOwnPropertyNames(NativeNumber) : (
	    // ES3:
	    'MAX_VALUE,MIN_VALUE,NaN,NEGATIVE_INFINITY,POSITIVE_INFINITY,' +
	    // ES2015 (in case, if modules with ES2015 Number statics required before):
	    'EPSILON,isFinite,isInteger,isNaN,isSafeInteger,MAX_SAFE_INTEGER,' +
	    'MIN_SAFE_INTEGER,parseFloat,parseInt,isInteger'
	  ).split(','), j = 0, key; keys$1.length > j; j++) {
	    if (has(NativeNumber, key = keys$1[j]) && !has(NumberWrapper, key)) {
	      defineProperty$3(NumberWrapper, key, getOwnPropertyDescriptor$2(NativeNumber, key));
	    }
	  }
	  NumberWrapper.prototype = NumberPrototype;
	  NumberPrototype.constructor = NumberWrapper;
	  redefine(global_1, NUMBER, NumberWrapper);
	}

	var nativeGetOwnPropertyDescriptor$1 = objectGetOwnPropertyDescriptor.f;


	var FAILS_ON_PRIMITIVES$2 = fails(function () { nativeGetOwnPropertyDescriptor$1(1); });
	var FORCED$1 = !descriptors || FAILS_ON_PRIMITIVES$2;

	// `Object.getOwnPropertyDescriptor` method
	// https://tc39.github.io/ecma262/#sec-object.getownpropertydescriptor
	_export({ target: 'Object', stat: true, forced: FORCED$1, sham: !descriptors }, {
	  getOwnPropertyDescriptor: function getOwnPropertyDescriptor(it, key) {
	    return nativeGetOwnPropertyDescriptor$1(toIndexedObject(it), key);
	  }
	});

	var nativeGetOwnPropertyNames = objectGetOwnPropertyNames.f;

	var toString$1 = {}.toString;

	var windowNames = typeof window == 'object' && window && Object.getOwnPropertyNames
	  ? Object.getOwnPropertyNames(window) : [];

	var getWindowNames = function (it) {
	  try {
	    return nativeGetOwnPropertyNames(it);
	  } catch (error) {
	    return windowNames.slice();
	  }
	};

	// fallback for IE11 buggy Object.getOwnPropertyNames with iframe and window
	var f$5 = function getOwnPropertyNames(it) {
	  return windowNames && toString$1.call(it) == '[object Window]'
	    ? getWindowNames(it)
	    : nativeGetOwnPropertyNames(toIndexedObject(it));
	};

	var objectGetOwnPropertyNamesExternal = {
		f: f$5
	};

	var nativeGetOwnPropertyNames$1 = objectGetOwnPropertyNamesExternal.f;

	var FAILS_ON_PRIMITIVES$3 = fails(function () { return !Object.getOwnPropertyNames(1); });

	// `Object.getOwnPropertyNames` method
	// https://tc39.github.io/ecma262/#sec-object.getownpropertynames
	_export({ target: 'Object', stat: true, forced: FAILS_ON_PRIMITIVES$3 }, {
	  getOwnPropertyNames: nativeGetOwnPropertyNames$1
	});

	var MATCH = wellKnownSymbol('match');

	// `IsRegExp` abstract operation
	// https://tc39.github.io/ecma262/#sec-isregexp
	var isRegexp = function (it) {
	  var isRegExp;
	  return isObject(it) && ((isRegExp = it[MATCH]) !== undefined ? !!isRegExp : classofRaw(it) == 'RegExp');
	};

	var SPECIES$3 = wellKnownSymbol('species');

	var setSpecies = function (CONSTRUCTOR_NAME) {
	  var Constructor = getBuiltIn(CONSTRUCTOR_NAME);
	  var defineProperty = objectDefineProperty.f;

	  if (descriptors && Constructor && !Constructor[SPECIES$3]) {
	    defineProperty(Constructor, SPECIES$3, {
	      configurable: true,
	      get: function () { return this; }
	    });
	  }
	};

	var defineProperty$4 = objectDefineProperty.f;
	var getOwnPropertyNames$1 = objectGetOwnPropertyNames.f;





	var setInternalState = internalState.set;



	var MATCH$1 = wellKnownSymbol('match');
	var NativeRegExp = global_1.RegExp;
	var RegExpPrototype$1 = NativeRegExp.prototype;
	var re1 = /a/g;
	var re2 = /a/g;

	// "new" should create a new object, old webkit bug
	var CORRECT_NEW = new NativeRegExp(re1) !== re1;

	var UNSUPPORTED_Y$2 = regexpStickyHelpers.UNSUPPORTED_Y;

	var FORCED$2 = descriptors && isForced_1('RegExp', (!CORRECT_NEW || UNSUPPORTED_Y$2 || fails(function () {
	  re2[MATCH$1] = false;
	  // RegExp constructor can alter flags and IsRegExp works correct with @@match
	  return NativeRegExp(re1) != re1 || NativeRegExp(re2) == re2 || NativeRegExp(re1, 'i') != '/a/i';
	})));

	// `RegExp` constructor
	// https://tc39.github.io/ecma262/#sec-regexp-constructor
	if (FORCED$2) {
	  var RegExpWrapper = function RegExp(pattern, flags) {
	    var thisIsRegExp = this instanceof RegExpWrapper;
	    var patternIsRegExp = isRegexp(pattern);
	    var flagsAreUndefined = flags === undefined;
	    var sticky;

	    if (!thisIsRegExp && patternIsRegExp && pattern.constructor === RegExpWrapper && flagsAreUndefined) {
	      return pattern;
	    }

	    if (CORRECT_NEW) {
	      if (patternIsRegExp && !flagsAreUndefined) pattern = pattern.source;
	    } else if (pattern instanceof RegExpWrapper) {
	      if (flagsAreUndefined) flags = regexpFlags.call(pattern);
	      pattern = pattern.source;
	    }

	    if (UNSUPPORTED_Y$2) {
	      sticky = !!flags && flags.indexOf('y') > -1;
	      if (sticky) flags = flags.replace(/y/g, '');
	    }

	    var result = inheritIfRequired(
	      CORRECT_NEW ? new NativeRegExp(pattern, flags) : NativeRegExp(pattern, flags),
	      thisIsRegExp ? this : RegExpPrototype$1,
	      RegExpWrapper
	    );

	    if (UNSUPPORTED_Y$2 && sticky) setInternalState(result, { sticky: sticky });

	    return result;
	  };
	  var proxy = function (key) {
	    key in RegExpWrapper || defineProperty$4(RegExpWrapper, key, {
	      configurable: true,
	      get: function () { return NativeRegExp[key]; },
	      set: function (it) { NativeRegExp[key] = it; }
	    });
	  };
	  var keys$2 = getOwnPropertyNames$1(NativeRegExp);
	  var index = 0;
	  while (keys$2.length > index) proxy(keys$2[index++]);
	  RegExpPrototype$1.constructor = RegExpWrapper;
	  RegExpWrapper.prototype = RegExpPrototype$1;
	  redefine(global_1, 'RegExp', RegExpWrapper);
	}

	// https://tc39.github.io/ecma262/#sec-get-regexp-@@species
	setSpecies('RegExp');

	// `String.prototype.{ codePointAt, at }` methods implementation
	var createMethod$4 = function (CONVERT_TO_STRING) {
	  return function ($this, pos) {
	    var S = String(requireObjectCoercible($this));
	    var position = toInteger(pos);
	    var size = S.length;
	    var first, second;
	    if (position < 0 || position >= size) return CONVERT_TO_STRING ? '' : undefined;
	    first = S.charCodeAt(position);
	    return first < 0xD800 || first > 0xDBFF || position + 1 === size
	      || (second = S.charCodeAt(position + 1)) < 0xDC00 || second > 0xDFFF
	        ? CONVERT_TO_STRING ? S.charAt(position) : first
	        : CONVERT_TO_STRING ? S.slice(position, position + 2) : (first - 0xD800 << 10) + (second - 0xDC00) + 0x10000;
	  };
	};

	var stringMultibyte = {
	  // `String.prototype.codePointAt` method
	  // https://tc39.github.io/ecma262/#sec-string.prototype.codepointat
	  codeAt: createMethod$4(false),
	  // `String.prototype.at` method
	  // https://github.com/mathiasbynens/String.prototype.at
	  charAt: createMethod$4(true)
	};

	var charAt = stringMultibyte.charAt;

	// `AdvanceStringIndex` abstract operation
	// https://tc39.github.io/ecma262/#sec-advancestringindex
	var advanceStringIndex = function (S, index, unicode) {
	  return index + (unicode ? charAt(S, index).length : 1);
	};

	// @@match logic
	fixRegexpWellKnownSymbolLogic('match', 1, function (MATCH, nativeMatch, maybeCallNative) {
	  return [
	    // `String.prototype.match` method
	    // https://tc39.github.io/ecma262/#sec-string.prototype.match
	    function match(regexp) {
	      var O = requireObjectCoercible(this);
	      var matcher = regexp == undefined ? undefined : regexp[MATCH];
	      return matcher !== undefined ? matcher.call(regexp, O) : new RegExp(regexp)[MATCH](String(O));
	    },
	    // `RegExp.prototype[@@match]` method
	    // https://tc39.github.io/ecma262/#sec-regexp.prototype-@@match
	    function (regexp) {
	      var res = maybeCallNative(nativeMatch, regexp, this);
	      if (res.done) return res.value;

	      var rx = anObject(regexp);
	      var S = String(this);

	      if (!rx.global) return regexpExecAbstract(rx, S);

	      var fullUnicode = rx.unicode;
	      rx.lastIndex = 0;
	      var A = [];
	      var n = 0;
	      var result;
	      while ((result = regexpExecAbstract(rx, S)) !== null) {
	        var matchStr = String(result[0]);
	        A[n] = matchStr;
	        if (matchStr === '') rx.lastIndex = advanceStringIndex(S, toLength(rx.lastIndex), fullUnicode);
	        n++;
	      }
	      return n === 0 ? null : A;
	    }
	  ];
	});

	var max$2 = Math.max;
	var min$3 = Math.min;
	var floor$1 = Math.floor;
	var SUBSTITUTION_SYMBOLS = /\$([$&'`]|\d\d?|<[^>]*>)/g;
	var SUBSTITUTION_SYMBOLS_NO_NAMED = /\$([$&'`]|\d\d?)/g;

	var maybeToString = function (it) {
	  return it === undefined ? it : String(it);
	};

	// @@replace logic
	fixRegexpWellKnownSymbolLogic('replace', 2, function (REPLACE, nativeReplace, maybeCallNative, reason) {
	  var REGEXP_REPLACE_SUBSTITUTES_UNDEFINED_CAPTURE = reason.REGEXP_REPLACE_SUBSTITUTES_UNDEFINED_CAPTURE;
	  var REPLACE_KEEPS_$0 = reason.REPLACE_KEEPS_$0;
	  var UNSAFE_SUBSTITUTE = REGEXP_REPLACE_SUBSTITUTES_UNDEFINED_CAPTURE ? '$' : '$0';

	  return [
	    // `String.prototype.replace` method
	    // https://tc39.github.io/ecma262/#sec-string.prototype.replace
	    function replace(searchValue, replaceValue) {
	      var O = requireObjectCoercible(this);
	      var replacer = searchValue == undefined ? undefined : searchValue[REPLACE];
	      return replacer !== undefined
	        ? replacer.call(searchValue, O, replaceValue)
	        : nativeReplace.call(String(O), searchValue, replaceValue);
	    },
	    // `RegExp.prototype[@@replace]` method
	    // https://tc39.github.io/ecma262/#sec-regexp.prototype-@@replace
	    function (regexp, replaceValue) {
	      if (
	        (!REGEXP_REPLACE_SUBSTITUTES_UNDEFINED_CAPTURE && REPLACE_KEEPS_$0) ||
	        (typeof replaceValue === 'string' && replaceValue.indexOf(UNSAFE_SUBSTITUTE) === -1)
	      ) {
	        var res = maybeCallNative(nativeReplace, regexp, this, replaceValue);
	        if (res.done) return res.value;
	      }

	      var rx = anObject(regexp);
	      var S = String(this);

	      var functionalReplace = typeof replaceValue === 'function';
	      if (!functionalReplace) replaceValue = String(replaceValue);

	      var global = rx.global;
	      if (global) {
	        var fullUnicode = rx.unicode;
	        rx.lastIndex = 0;
	      }
	      var results = [];
	      while (true) {
	        var result = regexpExecAbstract(rx, S);
	        if (result === null) break;

	        results.push(result);
	        if (!global) break;

	        var matchStr = String(result[0]);
	        if (matchStr === '') rx.lastIndex = advanceStringIndex(S, toLength(rx.lastIndex), fullUnicode);
	      }

	      var accumulatedResult = '';
	      var nextSourcePosition = 0;
	      for (var i = 0; i < results.length; i++) {
	        result = results[i];

	        var matched = String(result[0]);
	        var position = max$2(min$3(toInteger(result.index), S.length), 0);
	        var captures = [];
	        // NOTE: This is equivalent to
	        //   captures = result.slice(1).map(maybeToString)
	        // but for some reason `nativeSlice.call(result, 1, result.length)` (called in
	        // the slice polyfill when slicing native arrays) "doesn't work" in safari 9 and
	        // causes a crash (https://pastebin.com/N21QzeQA) when trying to debug it.
	        for (var j = 1; j < result.length; j++) captures.push(maybeToString(result[j]));
	        var namedCaptures = result.groups;
	        if (functionalReplace) {
	          var replacerArgs = [matched].concat(captures, position, S);
	          if (namedCaptures !== undefined) replacerArgs.push(namedCaptures);
	          var replacement = String(replaceValue.apply(undefined, replacerArgs));
	        } else {
	          replacement = getSubstitution(matched, S, position, captures, namedCaptures, replaceValue);
	        }
	        if (position >= nextSourcePosition) {
	          accumulatedResult += S.slice(nextSourcePosition, position) + replacement;
	          nextSourcePosition = position + matched.length;
	        }
	      }
	      return accumulatedResult + S.slice(nextSourcePosition);
	    }
	  ];

	  // https://tc39.github.io/ecma262/#sec-getsubstitution
	  function getSubstitution(matched, str, position, captures, namedCaptures, replacement) {
	    var tailPos = position + matched.length;
	    var m = captures.length;
	    var symbols = SUBSTITUTION_SYMBOLS_NO_NAMED;
	    if (namedCaptures !== undefined) {
	      namedCaptures = toObject(namedCaptures);
	      symbols = SUBSTITUTION_SYMBOLS;
	    }
	    return nativeReplace.call(replacement, symbols, function (match, ch) {
	      var capture;
	      switch (ch.charAt(0)) {
	        case '$': return '$';
	        case '&': return matched;
	        case '`': return str.slice(0, position);
	        case "'": return str.slice(tailPos);
	        case '<':
	          capture = namedCaptures[ch.slice(1, -1)];
	          break;
	        default: // \d\d?
	          var n = +ch;
	          if (n === 0) return match;
	          if (n > m) {
	            var f = floor$1(n / 10);
	            if (f === 0) return match;
	            if (f <= m) return captures[f - 1] === undefined ? ch.charAt(1) : captures[f - 1] + ch.charAt(1);
	            return match;
	          }
	          capture = captures[n - 1];
	      }
	      return capture === undefined ? '' : capture;
	    });
	  }
	});

	var SPECIES$4 = wellKnownSymbol('species');

	// `SpeciesConstructor` abstract operation
	// https://tc39.github.io/ecma262/#sec-speciesconstructor
	var speciesConstructor = function (O, defaultConstructor) {
	  var C = anObject(O).constructor;
	  var S;
	  return C === undefined || (S = anObject(C)[SPECIES$4]) == undefined ? defaultConstructor : aFunction$1(S);
	};

	var arrayPush = [].push;
	var min$4 = Math.min;
	var MAX_UINT32 = 0xFFFFFFFF;

	// babel-minify transpiles RegExp('x', 'y') -> /x/y and it causes SyntaxError
	var SUPPORTS_Y = !fails(function () { return !RegExp(MAX_UINT32, 'y'); });

	// @@split logic
	fixRegexpWellKnownSymbolLogic('split', 2, function (SPLIT, nativeSplit, maybeCallNative) {
	  var internalSplit;
	  if (
	    'abbc'.split(/(b)*/)[1] == 'c' ||
	    'test'.split(/(?:)/, -1).length != 4 ||
	    'ab'.split(/(?:ab)*/).length != 2 ||
	    '.'.split(/(.?)(.?)/).length != 4 ||
	    '.'.split(/()()/).length > 1 ||
	    ''.split(/.?/).length
	  ) {
	    // based on es5-shim implementation, need to rework it
	    internalSplit = function (separator, limit) {
	      var string = String(requireObjectCoercible(this));
	      var lim = limit === undefined ? MAX_UINT32 : limit >>> 0;
	      if (lim === 0) return [];
	      if (separator === undefined) return [string];
	      // If `separator` is not a regex, use native split
	      if (!isRegexp(separator)) {
	        return nativeSplit.call(string, separator, lim);
	      }
	      var output = [];
	      var flags = (separator.ignoreCase ? 'i' : '') +
	                  (separator.multiline ? 'm' : '') +
	                  (separator.unicode ? 'u' : '') +
	                  (separator.sticky ? 'y' : '');
	      var lastLastIndex = 0;
	      // Make `global` and avoid `lastIndex` issues by working with a copy
	      var separatorCopy = new RegExp(separator.source, flags + 'g');
	      var match, lastIndex, lastLength;
	      while (match = regexpExec.call(separatorCopy, string)) {
	        lastIndex = separatorCopy.lastIndex;
	        if (lastIndex > lastLastIndex) {
	          output.push(string.slice(lastLastIndex, match.index));
	          if (match.length > 1 && match.index < string.length) arrayPush.apply(output, match.slice(1));
	          lastLength = match[0].length;
	          lastLastIndex = lastIndex;
	          if (output.length >= lim) break;
	        }
	        if (separatorCopy.lastIndex === match.index) separatorCopy.lastIndex++; // Avoid an infinite loop
	      }
	      if (lastLastIndex === string.length) {
	        if (lastLength || !separatorCopy.test('')) output.push('');
	      } else output.push(string.slice(lastLastIndex));
	      return output.length > lim ? output.slice(0, lim) : output;
	    };
	  // Chakra, V8
	  } else if ('0'.split(undefined, 0).length) {
	    internalSplit = function (separator, limit) {
	      return separator === undefined && limit === 0 ? [] : nativeSplit.call(this, separator, limit);
	    };
	  } else internalSplit = nativeSplit;

	  return [
	    // `String.prototype.split` method
	    // https://tc39.github.io/ecma262/#sec-string.prototype.split
	    function split(separator, limit) {
	      var O = requireObjectCoercible(this);
	      var splitter = separator == undefined ? undefined : separator[SPLIT];
	      return splitter !== undefined
	        ? splitter.call(separator, O, limit)
	        : internalSplit.call(String(O), separator, limit);
	    },
	    // `RegExp.prototype[@@split]` method
	    // https://tc39.github.io/ecma262/#sec-regexp.prototype-@@split
	    //
	    // NOTE: This cannot be properly polyfilled in engines that don't support
	    // the 'y' flag.
	    function (regexp, limit) {
	      var res = maybeCallNative(internalSplit, regexp, this, limit, internalSplit !== nativeSplit);
	      if (res.done) return res.value;

	      var rx = anObject(regexp);
	      var S = String(this);
	      var C = speciesConstructor(rx, RegExp);

	      var unicodeMatching = rx.unicode;
	      var flags = (rx.ignoreCase ? 'i' : '') +
	                  (rx.multiline ? 'm' : '') +
	                  (rx.unicode ? 'u' : '') +
	                  (SUPPORTS_Y ? 'y' : 'g');

	      // ^(? + rx + ) is needed, in combination with some S slicing, to
	      // simulate the 'y' flag.
	      var splitter = new C(SUPPORTS_Y ? rx : '^(?:' + rx.source + ')', flags);
	      var lim = limit === undefined ? MAX_UINT32 : limit >>> 0;
	      if (lim === 0) return [];
	      if (S.length === 0) return regexpExecAbstract(splitter, S) === null ? [S] : [];
	      var p = 0;
	      var q = 0;
	      var A = [];
	      while (q < S.length) {
	        splitter.lastIndex = SUPPORTS_Y ? q : 0;
	        var z = regexpExecAbstract(splitter, SUPPORTS_Y ? S : S.slice(q));
	        var e;
	        if (
	          z === null ||
	          (e = min$4(toLength(splitter.lastIndex + (SUPPORTS_Y ? 0 : q)), S.length)) === p
	        ) {
	          q = advanceStringIndex(S, q, unicodeMatching);
	        } else {
	          A.push(S.slice(p, q));
	          if (A.length === lim) return A;
	          for (var i = 1; i <= z.length - 1; i++) {
	            A.push(z[i]);
	            if (A.length === lim) return A;
	          }
	          q = p = e;
	        }
	      }
	      A.push(S.slice(p));
	      return A;
	    }
	  ];
	}, !SUPPORTS_Y);

	function _typeof(obj) {
	  "@babel/helpers - typeof";

	  if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") {
	    _typeof = function (obj) {
	      return typeof obj;
	    };
	  } else {
	    _typeof = function (obj) {
	      return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj;
	    };
	  }

	  return _typeof(obj);
	}

	function _asyncIterator(iterable) {
	  var method;

	  if (typeof Symbol !== "undefined") {
	    if (Symbol.asyncIterator) {
	      method = iterable[Symbol.asyncIterator];
	      if (method != null) return method.call(iterable);
	    }

	    if (Symbol.iterator) {
	      method = iterable[Symbol.iterator];
	      if (method != null) return method.call(iterable);
	    }
	  }

	  throw new TypeError("Object is not async iterable");
	}

	function asyncGeneratorStep(gen, resolve, reject, _next, _throw, key, arg) {
	  try {
	    var info = gen[key](arg);
	    var value = info.value;
	  } catch (error) {
	    reject(error);
	    return;
	  }

	  if (info.done) {
	    resolve(value);
	  } else {
	    Promise.resolve(value).then(_next, _throw);
	  }
	}

	function _asyncToGenerator(fn) {
	  return function () {
	    var self = this,
	        args = arguments;
	    return new Promise(function (resolve, reject) {
	      var gen = fn.apply(self, args);

	      function _next(value) {
	        asyncGeneratorStep(gen, resolve, reject, _next, _throw, "next", value);
	      }

	      function _throw(err) {
	        asyncGeneratorStep(gen, resolve, reject, _next, _throw, "throw", err);
	      }

	      _next(undefined);
	    });
	  };
	}

	function _classCallCheck(instance, Constructor) {
	  if (!(instance instanceof Constructor)) {
	    throw new TypeError("Cannot call a class as a function");
	  }
	}

	function _defineProperty(obj, key, value) {
	  if (key in obj) {
	    Object.defineProperty(obj, key, {
	      value: value,
	      enumerable: true,
	      configurable: true,
	      writable: true
	    });
	  } else {
	    obj[key] = value;
	  }

	  return obj;
	}

	function ownKeys$1(object, enumerableOnly) {
	  var keys = Object.keys(object);

	  if (Object.getOwnPropertySymbols) {
	    var symbols = Object.getOwnPropertySymbols(object);
	    if (enumerableOnly) symbols = symbols.filter(function (sym) {
	      return Object.getOwnPropertyDescriptor(object, sym).enumerable;
	    });
	    keys.push.apply(keys, symbols);
	  }

	  return keys;
	}

	function _objectSpread2(target) {
	  for (var i = 1; i < arguments.length; i++) {
	    var source = arguments[i] != null ? arguments[i] : {};

	    if (i % 2) {
	      ownKeys$1(Object(source), true).forEach(function (key) {
	        _defineProperty(target, key, source[key]);
	      });
	    } else if (Object.getOwnPropertyDescriptors) {
	      Object.defineProperties(target, Object.getOwnPropertyDescriptors(source));
	    } else {
	      ownKeys$1(Object(source)).forEach(function (key) {
	        Object.defineProperty(target, key, Object.getOwnPropertyDescriptor(source, key));
	      });
	    }
	  }

	  return target;
	}

	function _inherits(subClass, superClass) {
	  if (typeof superClass !== "function" && superClass !== null) {
	    throw new TypeError("Super expression must either be null or a function");
	  }

	  subClass.prototype = Object.create(superClass && superClass.prototype, {
	    constructor: {
	      value: subClass,
	      writable: true,
	      configurable: true
	    }
	  });
	  if (superClass) _setPrototypeOf(subClass, superClass);
	}

	function _getPrototypeOf(o) {
	  _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) {
	    return o.__proto__ || Object.getPrototypeOf(o);
	  };
	  return _getPrototypeOf(o);
	}

	function _setPrototypeOf(o, p) {
	  _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) {
	    o.__proto__ = p;
	    return o;
	  };

	  return _setPrototypeOf(o, p);
	}

	function _isNativeReflectConstruct() {
	  if (typeof Reflect === "undefined" || !Reflect.construct) return false;
	  if (Reflect.construct.sham) return false;
	  if (typeof Proxy === "function") return true;

	  try {
	    Date.prototype.toString.call(Reflect.construct(Date, [], function () {}));
	    return true;
	  } catch (e) {
	    return false;
	  }
	}

	function _assertThisInitialized(self) {
	  if (self === void 0) {
	    throw new ReferenceError("this hasn't been initialised - super() hasn't been called");
	  }

	  return self;
	}

	function _possibleConstructorReturn(self, call) {
	  if (call && (typeof call === "object" || typeof call === "function")) {
	    return call;
	  }

	  return _assertThisInitialized(self);
	}

	function _createSuper(Derived) {
	  var hasNativeReflectConstruct = _isNativeReflectConstruct();

	  return function _createSuperInternal() {
	    var Super = _getPrototypeOf(Derived),
	        result;

	    if (hasNativeReflectConstruct) {
	      var NewTarget = _getPrototypeOf(this).constructor;

	      result = Reflect.construct(Super, arguments, NewTarget);
	    } else {
	      result = Super.apply(this, arguments);
	    }

	    return _possibleConstructorReturn(this, result);
	  };
	}

	function _toConsumableArray(arr) {
	  return _arrayWithoutHoles(arr) || _iterableToArray(arr) || _unsupportedIterableToArray(arr) || _nonIterableSpread();
	}

	function _arrayWithoutHoles(arr) {
	  if (Array.isArray(arr)) return _arrayLikeToArray(arr);
	}

	function _iterableToArray(iter) {
	  if (typeof Symbol !== "undefined" && Symbol.iterator in Object(iter)) return Array.from(iter);
	}

	function _unsupportedIterableToArray(o, minLen) {
	  if (!o) return;
	  if (typeof o === "string") return _arrayLikeToArray(o, minLen);
	  var n = Object.prototype.toString.call(o).slice(8, -1);
	  if (n === "Object" && o.constructor) n = o.constructor.name;
	  if (n === "Map" || n === "Set") return Array.from(o);
	  if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen);
	}

	function _arrayLikeToArray(arr, len) {
	  if (len == null || len > arr.length) len = arr.length;

	  for (var i = 0, arr2 = new Array(len); i < len; i++) arr2[i] = arr[i];

	  return arr2;
	}

	function _nonIterableSpread() {
	  throw new TypeError("Invalid attempt to spread non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.");
	}

	var f$6 = wellKnownSymbol;

	var wellKnownSymbolWrapped = {
		f: f$6
	};

	var defineProperty$5 = objectDefineProperty.f;

	var defineWellKnownSymbol = function (NAME) {
	  var Symbol = path.Symbol || (path.Symbol = {});
	  if (!has(Symbol, NAME)) defineProperty$5(Symbol, NAME, {
	    value: wellKnownSymbolWrapped.f(NAME)
	  });
	};

	var defineProperty$6 = objectDefineProperty.f;



	var TO_STRING_TAG$2 = wellKnownSymbol('toStringTag');

	var setToStringTag = function (it, TAG, STATIC) {
	  if (it && !has(it = STATIC ? it : it.prototype, TO_STRING_TAG$2)) {
	    defineProperty$6(it, TO_STRING_TAG$2, { configurable: true, value: TAG });
	  }
	};

	var $forEach$1 = arrayIteration.forEach;

	var HIDDEN = sharedKey('hidden');
	var SYMBOL = 'Symbol';
	var PROTOTYPE$1 = 'prototype';
	var TO_PRIMITIVE = wellKnownSymbol('toPrimitive');
	var setInternalState$1 = internalState.set;
	var getInternalState = internalState.getterFor(SYMBOL);
	var ObjectPrototype$1 = Object[PROTOTYPE$1];
	var $Symbol = global_1.Symbol;
	var $stringify = getBuiltIn('JSON', 'stringify');
	var nativeGetOwnPropertyDescriptor$2 = objectGetOwnPropertyDescriptor.f;
	var nativeDefineProperty$1 = objectDefineProperty.f;
	var nativeGetOwnPropertyNames$2 = objectGetOwnPropertyNamesExternal.f;
	var nativePropertyIsEnumerable$1 = objectPropertyIsEnumerable.f;
	var AllSymbols = shared('symbols');
	var ObjectPrototypeSymbols = shared('op-symbols');
	var StringToSymbolRegistry = shared('string-to-symbol-registry');
	var SymbolToStringRegistry = shared('symbol-to-string-registry');
	var WellKnownSymbolsStore$1 = shared('wks');
	var QObject = global_1.QObject;
	// Don't use setters in Qt Script, https://github.com/zloirock/core-js/issues/173
	var USE_SETTER = !QObject || !QObject[PROTOTYPE$1] || !QObject[PROTOTYPE$1].findChild;

	// fallback for old Android, https://code.google.com/p/v8/issues/detail?id=687
	var setSymbolDescriptor = descriptors && fails(function () {
	  return objectCreate(nativeDefineProperty$1({}, 'a', {
	    get: function () { return nativeDefineProperty$1(this, 'a', { value: 7 }).a; }
	  })).a != 7;
	}) ? function (O, P, Attributes) {
	  var ObjectPrototypeDescriptor = nativeGetOwnPropertyDescriptor$2(ObjectPrototype$1, P);
	  if (ObjectPrototypeDescriptor) delete ObjectPrototype$1[P];
	  nativeDefineProperty$1(O, P, Attributes);
	  if (ObjectPrototypeDescriptor && O !== ObjectPrototype$1) {
	    nativeDefineProperty$1(ObjectPrototype$1, P, ObjectPrototypeDescriptor);
	  }
	} : nativeDefineProperty$1;

	var wrap = function (tag, description) {
	  var symbol = AllSymbols[tag] = objectCreate($Symbol[PROTOTYPE$1]);
	  setInternalState$1(symbol, {
	    type: SYMBOL,
	    tag: tag,
	    description: description
	  });
	  if (!descriptors) symbol.description = description;
	  return symbol;
	};

	var isSymbol = useSymbolAsUid ? function (it) {
	  return typeof it == 'symbol';
	} : function (it) {
	  return Object(it) instanceof $Symbol;
	};

	var $defineProperty = function defineProperty(O, P, Attributes) {
	  if (O === ObjectPrototype$1) $defineProperty(ObjectPrototypeSymbols, P, Attributes);
	  anObject(O);
	  var key = toPrimitive(P, true);
	  anObject(Attributes);
	  if (has(AllSymbols, key)) {
	    if (!Attributes.enumerable) {
	      if (!has(O, HIDDEN)) nativeDefineProperty$1(O, HIDDEN, createPropertyDescriptor(1, {}));
	      O[HIDDEN][key] = true;
	    } else {
	      if (has(O, HIDDEN) && O[HIDDEN][key]) O[HIDDEN][key] = false;
	      Attributes = objectCreate(Attributes, { enumerable: createPropertyDescriptor(0, false) });
	    } return setSymbolDescriptor(O, key, Attributes);
	  } return nativeDefineProperty$1(O, key, Attributes);
	};

	var $defineProperties = function defineProperties(O, Properties) {
	  anObject(O);
	  var properties = toIndexedObject(Properties);
	  var keys = objectKeys(properties).concat($getOwnPropertySymbols(properties));
	  $forEach$1(keys, function (key) {
	    if (!descriptors || $propertyIsEnumerable.call(properties, key)) $defineProperty(O, key, properties[key]);
	  });
	  return O;
	};

	var $create = function create(O, Properties) {
	  return Properties === undefined ? objectCreate(O) : $defineProperties(objectCreate(O), Properties);
	};

	var $propertyIsEnumerable = function propertyIsEnumerable(V) {
	  var P = toPrimitive(V, true);
	  var enumerable = nativePropertyIsEnumerable$1.call(this, P);
	  if (this === ObjectPrototype$1 && has(AllSymbols, P) && !has(ObjectPrototypeSymbols, P)) return false;
	  return enumerable || !has(this, P) || !has(AllSymbols, P) || has(this, HIDDEN) && this[HIDDEN][P] ? enumerable : true;
	};

	var $getOwnPropertyDescriptor = function getOwnPropertyDescriptor(O, P) {
	  var it = toIndexedObject(O);
	  var key = toPrimitive(P, true);
	  if (it === ObjectPrototype$1 && has(AllSymbols, key) && !has(ObjectPrototypeSymbols, key)) return;
	  var descriptor = nativeGetOwnPropertyDescriptor$2(it, key);
	  if (descriptor && has(AllSymbols, key) && !(has(it, HIDDEN) && it[HIDDEN][key])) {
	    descriptor.enumerable = true;
	  }
	  return descriptor;
	};

	var $getOwnPropertyNames = function getOwnPropertyNames(O) {
	  var names = nativeGetOwnPropertyNames$2(toIndexedObject(O));
	  var result = [];
	  $forEach$1(names, function (key) {
	    if (!has(AllSymbols, key) && !has(hiddenKeys, key)) result.push(key);
	  });
	  return result;
	};

	var $getOwnPropertySymbols = function getOwnPropertySymbols(O) {
	  var IS_OBJECT_PROTOTYPE = O === ObjectPrototype$1;
	  var names = nativeGetOwnPropertyNames$2(IS_OBJECT_PROTOTYPE ? ObjectPrototypeSymbols : toIndexedObject(O));
	  var result = [];
	  $forEach$1(names, function (key) {
	    if (has(AllSymbols, key) && (!IS_OBJECT_PROTOTYPE || has(ObjectPrototype$1, key))) {
	      result.push(AllSymbols[key]);
	    }
	  });
	  return result;
	};

	// `Symbol` constructor
	// https://tc39.github.io/ecma262/#sec-symbol-constructor
	if (!nativeSymbol) {
	  $Symbol = function Symbol() {
	    if (this instanceof $Symbol) throw TypeError('Symbol is not a constructor');
	    var description = !arguments.length || arguments[0] === undefined ? undefined : String(arguments[0]);
	    var tag = uid(description);
	    var setter = function (value) {
	      if (this === ObjectPrototype$1) setter.call(ObjectPrototypeSymbols, value);
	      if (has(this, HIDDEN) && has(this[HIDDEN], tag)) this[HIDDEN][tag] = false;
	      setSymbolDescriptor(this, tag, createPropertyDescriptor(1, value));
	    };
	    if (descriptors && USE_SETTER) setSymbolDescriptor(ObjectPrototype$1, tag, { configurable: true, set: setter });
	    return wrap(tag, description);
	  };

	  redefine($Symbol[PROTOTYPE$1], 'toString', function toString() {
	    return getInternalState(this).tag;
	  });

	  redefine($Symbol, 'withoutSetter', function (description) {
	    return wrap(uid(description), description);
	  });

	  objectPropertyIsEnumerable.f = $propertyIsEnumerable;
	  objectDefineProperty.f = $defineProperty;
	  objectGetOwnPropertyDescriptor.f = $getOwnPropertyDescriptor;
	  objectGetOwnPropertyNames.f = objectGetOwnPropertyNamesExternal.f = $getOwnPropertyNames;
	  objectGetOwnPropertySymbols.f = $getOwnPropertySymbols;

	  wellKnownSymbolWrapped.f = function (name) {
	    return wrap(wellKnownSymbol(name), name);
	  };

	  if (descriptors) {
	    // https://github.com/tc39/proposal-Symbol-description
	    nativeDefineProperty$1($Symbol[PROTOTYPE$1], 'description', {
	      configurable: true,
	      get: function description() {
	        return getInternalState(this).description;
	      }
	    });
	    {
	      redefine(ObjectPrototype$1, 'propertyIsEnumerable', $propertyIsEnumerable, { unsafe: true });
	    }
	  }
	}

	_export({ global: true, wrap: true, forced: !nativeSymbol, sham: !nativeSymbol }, {
	  Symbol: $Symbol
	});

	$forEach$1(objectKeys(WellKnownSymbolsStore$1), function (name) {
	  defineWellKnownSymbol(name);
	});

	_export({ target: SYMBOL, stat: true, forced: !nativeSymbol }, {
	  // `Symbol.for` method
	  // https://tc39.github.io/ecma262/#sec-symbol.for
	  'for': function (key) {
	    var string = String(key);
	    if (has(StringToSymbolRegistry, string)) return StringToSymbolRegistry[string];
	    var symbol = $Symbol(string);
	    StringToSymbolRegistry[string] = symbol;
	    SymbolToStringRegistry[symbol] = string;
	    return symbol;
	  },
	  // `Symbol.keyFor` method
	  // https://tc39.github.io/ecma262/#sec-symbol.keyfor
	  keyFor: function keyFor(sym) {
	    if (!isSymbol(sym)) throw TypeError(sym + ' is not a symbol');
	    if (has(SymbolToStringRegistry, sym)) return SymbolToStringRegistry[sym];
	  },
	  useSetter: function () { USE_SETTER = true; },
	  useSimple: function () { USE_SETTER = false; }
	});

	_export({ target: 'Object', stat: true, forced: !nativeSymbol, sham: !descriptors }, {
	  // `Object.create` method
	  // https://tc39.github.io/ecma262/#sec-object.create
	  create: $create,
	  // `Object.defineProperty` method
	  // https://tc39.github.io/ecma262/#sec-object.defineproperty
	  defineProperty: $defineProperty,
	  // `Object.defineProperties` method
	  // https://tc39.github.io/ecma262/#sec-object.defineproperties
	  defineProperties: $defineProperties,
	  // `Object.getOwnPropertyDescriptor` method
	  // https://tc39.github.io/ecma262/#sec-object.getownpropertydescriptors
	  getOwnPropertyDescriptor: $getOwnPropertyDescriptor
	});

	_export({ target: 'Object', stat: true, forced: !nativeSymbol }, {
	  // `Object.getOwnPropertyNames` method
	  // https://tc39.github.io/ecma262/#sec-object.getownpropertynames
	  getOwnPropertyNames: $getOwnPropertyNames,
	  // `Object.getOwnPropertySymbols` method
	  // https://tc39.github.io/ecma262/#sec-object.getownpropertysymbols
	  getOwnPropertySymbols: $getOwnPropertySymbols
	});

	// Chrome 38 and 39 `Object.getOwnPropertySymbols` fails on primitives
	// https://bugs.chromium.org/p/v8/issues/detail?id=3443
	_export({ target: 'Object', stat: true, forced: fails(function () { objectGetOwnPropertySymbols.f(1); }) }, {
	  getOwnPropertySymbols: function getOwnPropertySymbols(it) {
	    return objectGetOwnPropertySymbols.f(toObject(it));
	  }
	});

	// `JSON.stringify` method behavior with symbols
	// https://tc39.github.io/ecma262/#sec-json.stringify
	if ($stringify) {
	  var FORCED_JSON_STRINGIFY = !nativeSymbol || fails(function () {
	    var symbol = $Symbol();
	    // MS Edge converts symbol values to JSON as {}
	    return $stringify([symbol]) != '[null]'
	      // WebKit converts symbol values to JSON as null
	      || $stringify({ a: symbol }) != '{}'
	      // V8 throws on boxed symbols
	      || $stringify(Object(symbol)) != '{}';
	  });

	  _export({ target: 'JSON', stat: true, forced: FORCED_JSON_STRINGIFY }, {
	    // eslint-disable-next-line no-unused-vars
	    stringify: function stringify(it, replacer, space) {
	      var args = [it];
	      var index = 1;
	      var $replacer;
	      while (arguments.length > index) args.push(arguments[index++]);
	      $replacer = replacer;
	      if (!isObject(replacer) && it === undefined || isSymbol(it)) return; // IE8 returns string on undefined
	      if (!isArray(replacer)) replacer = function (key, value) {
	        if (typeof $replacer == 'function') value = $replacer.call(this, key, value);
	        if (!isSymbol(value)) return value;
	      };
	      args[1] = replacer;
	      return $stringify.apply(null, args);
	    }
	  });
	}

	// `Symbol.prototype[@@toPrimitive]` method
	// https://tc39.github.io/ecma262/#sec-symbol.prototype-@@toprimitive
	if (!$Symbol[PROTOTYPE$1][TO_PRIMITIVE]) {
	  createNonEnumerableProperty($Symbol[PROTOTYPE$1], TO_PRIMITIVE, $Symbol[PROTOTYPE$1].valueOf);
	}
	// `Symbol.prototype[@@toStringTag]` property
	// https://tc39.github.io/ecma262/#sec-symbol.prototype-@@tostringtag
	setToStringTag($Symbol, SYMBOL);

	hiddenKeys[HIDDEN] = true;

	var defineProperty$7 = objectDefineProperty.f;


	var NativeSymbol = global_1.Symbol;

	if (descriptors && typeof NativeSymbol == 'function' && (!('description' in NativeSymbol.prototype) ||
	  // Safari 12 bug
	  NativeSymbol().description !== undefined
	)) {
	  var EmptyStringDescriptionStore = {};
	  // wrap Symbol constructor for correct work with undefined description
	  var SymbolWrapper = function Symbol() {
	    var description = arguments.length < 1 || arguments[0] === undefined ? undefined : String(arguments[0]);
	    var result = this instanceof SymbolWrapper
	      ? new NativeSymbol(description)
	      // in Edge 13, String(Symbol(undefined)) === 'Symbol(undefined)'
	      : description === undefined ? NativeSymbol() : NativeSymbol(description);
	    if (description === '') EmptyStringDescriptionStore[result] = true;
	    return result;
	  };
	  copyConstructorProperties(SymbolWrapper, NativeSymbol);
	  var symbolPrototype = SymbolWrapper.prototype = NativeSymbol.prototype;
	  symbolPrototype.constructor = SymbolWrapper;

	  var symbolToString = symbolPrototype.toString;
	  var native = String(NativeSymbol('test')) == 'Symbol(test)';
	  var regexp = /^Symbol\((.*)\)[^)]+$/;
	  defineProperty$7(symbolPrototype, 'description', {
	    configurable: true,
	    get: function description() {
	      var symbol = isObject(this) ? this.valueOf() : this;
	      var string = symbolToString.call(symbol);
	      if (has(EmptyStringDescriptionStore, symbol)) return '';
	      var desc = native ? string.slice(7, -1) : string.replace(regexp, '$1');
	      return desc === '' ? undefined : desc;
	    }
	  });

	  _export({ global: true, forced: true }, {
	    Symbol: SymbolWrapper
	  });
	}

	// `Symbol.species` well-known symbol
	// https://tc39.github.io/ecma262/#sec-symbol.species
	defineWellKnownSymbol('species');

	// `Array.prototype.fill` method implementation
	// https://tc39.github.io/ecma262/#sec-array.prototype.fill
	var arrayFill = function fill(value /* , start = 0, end = @length */) {
	  var O = toObject(this);
	  var length = toLength(O.length);
	  var argumentsLength = arguments.length;
	  var index = toAbsoluteIndex(argumentsLength > 1 ? arguments[1] : undefined, length);
	  var end = argumentsLength > 2 ? arguments[2] : undefined;
	  var endPos = end === undefined ? length : toAbsoluteIndex(end, length);
	  while (endPos > index) O[index++] = value;
	  return O;
	};

	var UNSCOPABLES = wellKnownSymbol('unscopables');
	var ArrayPrototype = Array.prototype;

	// Array.prototype[@@unscopables]
	// https://tc39.github.io/ecma262/#sec-array.prototype-@@unscopables
	if (ArrayPrototype[UNSCOPABLES] == undefined) {
	  objectDefineProperty.f(ArrayPrototype, UNSCOPABLES, {
	    configurable: true,
	    value: objectCreate(null)
	  });
	}

	// add a key to Array.prototype[@@unscopables]
	var addToUnscopables = function (key) {
	  ArrayPrototype[UNSCOPABLES][key] = true;
	};

	// `Array.prototype.fill` method
	// https://tc39.github.io/ecma262/#sec-array.prototype.fill
	_export({ target: 'Array', proto: true }, {
	  fill: arrayFill
	});

	// https://tc39.github.io/ecma262/#sec-array.prototype-@@unscopables
	addToUnscopables('fill');

	var $includes = arrayIncludes.includes;



	var USES_TO_LENGTH$6 = arrayMethodUsesToLength('indexOf', { ACCESSORS: true, 1: 0 });

	// `Array.prototype.includes` method
	// https://tc39.github.io/ecma262/#sec-array.prototype.includes
	_export({ target: 'Array', proto: true, forced: !USES_TO_LENGTH$6 }, {
	  includes: function includes(el /* , fromIndex = 0 */) {
	    return $includes(this, el, arguments.length > 1 ? arguments[1] : undefined);
	  }
	});

	// https://tc39.github.io/ecma262/#sec-array.prototype-@@unscopables
	addToUnscopables('includes');

	var iterators = {};

	var ITERATOR = wellKnownSymbol('iterator');
	var BUGGY_SAFARI_ITERATORS = false;

	var returnThis = function () { return this; };

	// `%IteratorPrototype%` object
	// https://tc39.github.io/ecma262/#sec-%iteratorprototype%-object
	var IteratorPrototype, PrototypeOfArrayIteratorPrototype, arrayIterator;

	if ([].keys) {
	  arrayIterator = [].keys();
	  // Safari 8 has buggy iterators w/o `next`
	  if (!('next' in arrayIterator)) BUGGY_SAFARI_ITERATORS = true;
	  else {
	    PrototypeOfArrayIteratorPrototype = objectGetPrototypeOf(objectGetPrototypeOf(arrayIterator));
	    if (PrototypeOfArrayIteratorPrototype !== Object.prototype) IteratorPrototype = PrototypeOfArrayIteratorPrototype;
	  }
	}

	if (IteratorPrototype == undefined) IteratorPrototype = {};

	// 25.1.2.1.1 %IteratorPrototype%[@@iterator]()
	if ( !has(IteratorPrototype, ITERATOR)) {
	  createNonEnumerableProperty(IteratorPrototype, ITERATOR, returnThis);
	}

	var iteratorsCore = {
	  IteratorPrototype: IteratorPrototype,
	  BUGGY_SAFARI_ITERATORS: BUGGY_SAFARI_ITERATORS
	};

	var IteratorPrototype$1 = iteratorsCore.IteratorPrototype;





	var returnThis$1 = function () { return this; };

	var createIteratorConstructor = function (IteratorConstructor, NAME, next) {
	  var TO_STRING_TAG = NAME + ' Iterator';
	  IteratorConstructor.prototype = objectCreate(IteratorPrototype$1, { next: createPropertyDescriptor(1, next) });
	  setToStringTag(IteratorConstructor, TO_STRING_TAG, false);
	  iterators[TO_STRING_TAG] = returnThis$1;
	  return IteratorConstructor;
	};

	var IteratorPrototype$2 = iteratorsCore.IteratorPrototype;
	var BUGGY_SAFARI_ITERATORS$1 = iteratorsCore.BUGGY_SAFARI_ITERATORS;
	var ITERATOR$1 = wellKnownSymbol('iterator');
	var KEYS = 'keys';
	var VALUES = 'values';
	var ENTRIES = 'entries';

	var returnThis$2 = function () { return this; };

	var defineIterator = function (Iterable, NAME, IteratorConstructor, next, DEFAULT, IS_SET, FORCED) {
	  createIteratorConstructor(IteratorConstructor, NAME, next);

	  var getIterationMethod = function (KIND) {
	    if (KIND === DEFAULT && defaultIterator) return defaultIterator;
	    if (!BUGGY_SAFARI_ITERATORS$1 && KIND in IterablePrototype) return IterablePrototype[KIND];
	    switch (KIND) {
	      case KEYS: return function keys() { return new IteratorConstructor(this, KIND); };
	      case VALUES: return function values() { return new IteratorConstructor(this, KIND); };
	      case ENTRIES: return function entries() { return new IteratorConstructor(this, KIND); };
	    } return function () { return new IteratorConstructor(this); };
	  };

	  var TO_STRING_TAG = NAME + ' Iterator';
	  var INCORRECT_VALUES_NAME = false;
	  var IterablePrototype = Iterable.prototype;
	  var nativeIterator = IterablePrototype[ITERATOR$1]
	    || IterablePrototype['@@iterator']
	    || DEFAULT && IterablePrototype[DEFAULT];
	  var defaultIterator = !BUGGY_SAFARI_ITERATORS$1 && nativeIterator || getIterationMethod(DEFAULT);
	  var anyNativeIterator = NAME == 'Array' ? IterablePrototype.entries || nativeIterator : nativeIterator;
	  var CurrentIteratorPrototype, methods, KEY;

	  // fix native
	  if (anyNativeIterator) {
	    CurrentIteratorPrototype = objectGetPrototypeOf(anyNativeIterator.call(new Iterable()));
	    if (IteratorPrototype$2 !== Object.prototype && CurrentIteratorPrototype.next) {
	      if ( objectGetPrototypeOf(CurrentIteratorPrototype) !== IteratorPrototype$2) {
	        if (objectSetPrototypeOf) {
	          objectSetPrototypeOf(CurrentIteratorPrototype, IteratorPrototype$2);
	        } else if (typeof CurrentIteratorPrototype[ITERATOR$1] != 'function') {
	          createNonEnumerableProperty(CurrentIteratorPrototype, ITERATOR$1, returnThis$2);
	        }
	      }
	      // Set @@toStringTag to native iterators
	      setToStringTag(CurrentIteratorPrototype, TO_STRING_TAG, true);
	    }
	  }

	  // fix Array#{values, @@iterator}.name in V8 / FF
	  if (DEFAULT == VALUES && nativeIterator && nativeIterator.name !== VALUES) {
	    INCORRECT_VALUES_NAME = true;
	    defaultIterator = function values() { return nativeIterator.call(this); };
	  }

	  // define iterator
	  if ( IterablePrototype[ITERATOR$1] !== defaultIterator) {
	    createNonEnumerableProperty(IterablePrototype, ITERATOR$1, defaultIterator);
	  }
	  iterators[NAME] = defaultIterator;

	  // export additional methods
	  if (DEFAULT) {
	    methods = {
	      values: getIterationMethod(VALUES),
	      keys: IS_SET ? defaultIterator : getIterationMethod(KEYS),
	      entries: getIterationMethod(ENTRIES)
	    };
	    if (FORCED) for (KEY in methods) {
	      if (BUGGY_SAFARI_ITERATORS$1 || INCORRECT_VALUES_NAME || !(KEY in IterablePrototype)) {
	        redefine(IterablePrototype, KEY, methods[KEY]);
	      }
	    } else _export({ target: NAME, proto: true, forced: BUGGY_SAFARI_ITERATORS$1 || INCORRECT_VALUES_NAME }, methods);
	  }

	  return methods;
	};

	var ARRAY_ITERATOR = 'Array Iterator';
	var setInternalState$2 = internalState.set;
	var getInternalState$1 = internalState.getterFor(ARRAY_ITERATOR);

	// `Array.prototype.entries` method
	// https://tc39.github.io/ecma262/#sec-array.prototype.entries
	// `Array.prototype.keys` method
	// https://tc39.github.io/ecma262/#sec-array.prototype.keys
	// `Array.prototype.values` method
	// https://tc39.github.io/ecma262/#sec-array.prototype.values
	// `Array.prototype[@@iterator]` method
	// https://tc39.github.io/ecma262/#sec-array.prototype-@@iterator
	// `CreateArrayIterator` internal method
	// https://tc39.github.io/ecma262/#sec-createarrayiterator
	var es_array_iterator = defineIterator(Array, 'Array', function (iterated, kind) {
	  setInternalState$2(this, {
	    type: ARRAY_ITERATOR,
	    target: toIndexedObject(iterated), // target
	    index: 0,                          // next index
	    kind: kind                         // kind
	  });
	// `%ArrayIteratorPrototype%.next` method
	// https://tc39.github.io/ecma262/#sec-%arrayiteratorprototype%.next
	}, function () {
	  var state = getInternalState$1(this);
	  var target = state.target;
	  var kind = state.kind;
	  var index = state.index++;
	  if (!target || index >= target.length) {
	    state.target = undefined;
	    return { value: undefined, done: true };
	  }
	  if (kind == 'keys') return { value: index, done: false };
	  if (kind == 'values') return { value: target[index], done: false };
	  return { value: [index, target[index]], done: false };
	}, 'values');

	// argumentsList[@@iterator] is %ArrayProto_values%
	// https://tc39.github.io/ecma262/#sec-createunmappedargumentsobject
	// https://tc39.github.io/ecma262/#sec-createmappedargumentsobject
	iterators.Arguments = iterators.Array;

	// https://tc39.github.io/ecma262/#sec-array.prototype-@@unscopables
	addToUnscopables('keys');
	addToUnscopables('values');
	addToUnscopables('entries');

	var min$5 = Math.min;
	var nativeLastIndexOf = [].lastIndexOf;
	var NEGATIVE_ZERO$1 = !!nativeLastIndexOf && 1 / [1].lastIndexOf(1, -0) < 0;
	var STRICT_METHOD$4 = arrayMethodIsStrict('lastIndexOf');
	// For preventing possible almost infinite loop in non-standard implementations, test the forward version of the method
	var USES_TO_LENGTH$7 = arrayMethodUsesToLength('indexOf', { ACCESSORS: true, 1: 0 });
	var FORCED$3 = NEGATIVE_ZERO$1 || !STRICT_METHOD$4 || !USES_TO_LENGTH$7;

	// `Array.prototype.lastIndexOf` method implementation
	// https://tc39.github.io/ecma262/#sec-array.prototype.lastindexof
	var arrayLastIndexOf = FORCED$3 ? function lastIndexOf(searchElement /* , fromIndex = @[*-1] */) {
	  // convert -0 to +0
	  if (NEGATIVE_ZERO$1) return nativeLastIndexOf.apply(this, arguments) || 0;
	  var O = toIndexedObject(this);
	  var length = toLength(O.length);
	  var index = length - 1;
	  if (arguments.length > 1) index = min$5(index, toInteger(arguments[1]));
	  if (index < 0) index = length + index;
	  for (;index >= 0; index--) if (index in O && O[index] === searchElement) return index || 0;
	  return -1;
	} : nativeLastIndexOf;

	// `Array.prototype.lastIndexOf` method
	// https://tc39.github.io/ecma262/#sec-array.prototype.lastindexof
	_export({ target: 'Array', proto: true, forced: arrayLastIndexOf !== [].lastIndexOf }, {
	  lastIndexOf: arrayLastIndexOf
	});

	var HAS_SPECIES_SUPPORT$3 = arrayMethodHasSpeciesSupport('slice');
	var USES_TO_LENGTH$8 = arrayMethodUsesToLength('slice', { ACCESSORS: true, 0: 0, 1: 2 });

	var SPECIES$5 = wellKnownSymbol('species');
	var nativeSlice = [].slice;
	var max$3 = Math.max;

	// `Array.prototype.slice` method
	// https://tc39.github.io/ecma262/#sec-array.prototype.slice
	// fallback for not array-like ES3 strings and DOM objects
	_export({ target: 'Array', proto: true, forced: !HAS_SPECIES_SUPPORT$3 || !USES_TO_LENGTH$8 }, {
	  slice: function slice(start, end) {
	    var O = toIndexedObject(this);
	    var length = toLength(O.length);
	    var k = toAbsoluteIndex(start, length);
	    var fin = toAbsoluteIndex(end === undefined ? length : end, length);
	    // inline `ArraySpeciesCreate` for usage native `Array#slice` where it's possible
	    var Constructor, result, n;
	    if (isArray(O)) {
	      Constructor = O.constructor;
	      // cross-realm fallback
	      if (typeof Constructor == 'function' && (Constructor === Array || isArray(Constructor.prototype))) {
	        Constructor = undefined;
	      } else if (isObject(Constructor)) {
	        Constructor = Constructor[SPECIES$5];
	        if (Constructor === null) Constructor = undefined;
	      }
	      if (Constructor === Array || Constructor === undefined) {
	        return nativeSlice.call(O, k, fin);
	      }
	    }
	    result = new (Constructor === undefined ? Array : Constructor)(max$3(fin - k, 0));
	    for (n = 0; k < fin; k++, n++) if (k in O) createProperty(result, n, O[k]);
	    result.length = n;
	    return result;
	  }
	});

	// `Array[@@species]` getter
	// https://tc39.github.io/ecma262/#sec-get-array-@@species
	setSpecies('Array');

	var arrayBufferNative = typeof ArrayBuffer !== 'undefined' && typeof DataView !== 'undefined';

	var redefineAll = function (target, src, options) {
	  for (var key in src) redefine(target, key, src[key], options);
	  return target;
	};

	var anInstance = function (it, Constructor, name) {
	  if (!(it instanceof Constructor)) {
	    throw TypeError('Incorrect ' + (name ? name + ' ' : '') + 'invocation');
	  } return it;
	};

	// `ToIndex` abstract operation
	// https://tc39.github.io/ecma262/#sec-toindex
	var toIndex = function (it) {
	  if (it === undefined) return 0;
	  var number = toInteger(it);
	  var length = toLength(number);
	  if (number !== length) throw RangeError('Wrong length or index');
	  return length;
	};

	// IEEE754 conversions based on https://github.com/feross/ieee754
	// eslint-disable-next-line no-shadow-restricted-names
	var Infinity$1 = 1 / 0;
	var abs = Math.abs;
	var pow = Math.pow;
	var floor$2 = Math.floor;
	var log = Math.log;
	var LN2 = Math.LN2;

	var pack = function (number, mantissaLength, bytes) {
	  var buffer = new Array(bytes);
	  var exponentLength = bytes * 8 - mantissaLength - 1;
	  var eMax = (1 << exponentLength) - 1;
	  var eBias = eMax >> 1;
	  var rt = mantissaLength === 23 ? pow(2, -24) - pow(2, -77) : 0;
	  var sign = number < 0 || number === 0 && 1 / number < 0 ? 1 : 0;
	  var index = 0;
	  var exponent, mantissa, c;
	  number = abs(number);
	  // eslint-disable-next-line no-self-compare
	  if (number != number || number === Infinity$1) {
	    // eslint-disable-next-line no-self-compare
	    mantissa = number != number ? 1 : 0;
	    exponent = eMax;
	  } else {
	    exponent = floor$2(log(number) / LN2);
	    if (number * (c = pow(2, -exponent)) < 1) {
	      exponent--;
	      c *= 2;
	    }
	    if (exponent + eBias >= 1) {
	      number += rt / c;
	    } else {
	      number += rt * pow(2, 1 - eBias);
	    }
	    if (number * c >= 2) {
	      exponent++;
	      c /= 2;
	    }
	    if (exponent + eBias >= eMax) {
	      mantissa = 0;
	      exponent = eMax;
	    } else if (exponent + eBias >= 1) {
	      mantissa = (number * c - 1) * pow(2, mantissaLength);
	      exponent = exponent + eBias;
	    } else {
	      mantissa = number * pow(2, eBias - 1) * pow(2, mantissaLength);
	      exponent = 0;
	    }
	  }
	  for (; mantissaLength >= 8; buffer[index++] = mantissa & 255, mantissa /= 256, mantissaLength -= 8);
	  exponent = exponent << mantissaLength | mantissa;
	  exponentLength += mantissaLength;
	  for (; exponentLength > 0; buffer[index++] = exponent & 255, exponent /= 256, exponentLength -= 8);
	  buffer[--index] |= sign * 128;
	  return buffer;
	};

	var unpack = function (buffer, mantissaLength) {
	  var bytes = buffer.length;
	  var exponentLength = bytes * 8 - mantissaLength - 1;
	  var eMax = (1 << exponentLength) - 1;
	  var eBias = eMax >> 1;
	  var nBits = exponentLength - 7;
	  var index = bytes - 1;
	  var sign = buffer[index--];
	  var exponent = sign & 127;
	  var mantissa;
	  sign >>= 7;
	  for (; nBits > 0; exponent = exponent * 256 + buffer[index], index--, nBits -= 8);
	  mantissa = exponent & (1 << -nBits) - 1;
	  exponent >>= -nBits;
	  nBits += mantissaLength;
	  for (; nBits > 0; mantissa = mantissa * 256 + buffer[index], index--, nBits -= 8);
	  if (exponent === 0) {
	    exponent = 1 - eBias;
	  } else if (exponent === eMax) {
	    return mantissa ? NaN : sign ? -Infinity$1 : Infinity$1;
	  } else {
	    mantissa = mantissa + pow(2, mantissaLength);
	    exponent = exponent - eBias;
	  } return (sign ? -1 : 1) * mantissa * pow(2, exponent - mantissaLength);
	};

	var ieee754 = {
	  pack: pack,
	  unpack: unpack
	};

	var getOwnPropertyNames$2 = objectGetOwnPropertyNames.f;
	var defineProperty$8 = objectDefineProperty.f;




	var getInternalState$2 = internalState.get;
	var setInternalState$3 = internalState.set;
	var ARRAY_BUFFER = 'ArrayBuffer';
	var DATA_VIEW = 'DataView';
	var PROTOTYPE$2 = 'prototype';
	var WRONG_LENGTH = 'Wrong length';
	var WRONG_INDEX = 'Wrong index';
	var NativeArrayBuffer = global_1[ARRAY_BUFFER];
	var $ArrayBuffer = NativeArrayBuffer;
	var $DataView = global_1[DATA_VIEW];
	var $DataViewPrototype = $DataView && $DataView[PROTOTYPE$2];
	var ObjectPrototype$2 = Object.prototype;
	var RangeError$1 = global_1.RangeError;

	var packIEEE754 = ieee754.pack;
	var unpackIEEE754 = ieee754.unpack;

	var packInt8 = function (number) {
	  return [number & 0xFF];
	};

	var packInt16 = function (number) {
	  return [number & 0xFF, number >> 8 & 0xFF];
	};

	var packInt32 = function (number) {
	  return [number & 0xFF, number >> 8 & 0xFF, number >> 16 & 0xFF, number >> 24 & 0xFF];
	};

	var unpackInt32 = function (buffer) {
	  return buffer[3] << 24 | buffer[2] << 16 | buffer[1] << 8 | buffer[0];
	};

	var packFloat32 = function (number) {
	  return packIEEE754(number, 23, 4);
	};

	var packFloat64 = function (number) {
	  return packIEEE754(number, 52, 8);
	};

	var addGetter = function (Constructor, key) {
	  defineProperty$8(Constructor[PROTOTYPE$2], key, { get: function () { return getInternalState$2(this)[key]; } });
	};

	var get$1 = function (view, count, index, isLittleEndian) {
	  var intIndex = toIndex(index);
	  var store = getInternalState$2(view);
	  if (intIndex + count > store.byteLength) throw RangeError$1(WRONG_INDEX);
	  var bytes = getInternalState$2(store.buffer).bytes;
	  var start = intIndex + store.byteOffset;
	  var pack = bytes.slice(start, start + count);
	  return isLittleEndian ? pack : pack.reverse();
	};

	var set$1 = function (view, count, index, conversion, value, isLittleEndian) {
	  var intIndex = toIndex(index);
	  var store = getInternalState$2(view);
	  if (intIndex + count > store.byteLength) throw RangeError$1(WRONG_INDEX);
	  var bytes = getInternalState$2(store.buffer).bytes;
	  var start = intIndex + store.byteOffset;
	  var pack = conversion(+value);
	  for (var i = 0; i < count; i++) bytes[start + i] = pack[isLittleEndian ? i : count - i - 1];
	};

	if (!arrayBufferNative) {
	  $ArrayBuffer = function ArrayBuffer(length) {
	    anInstance(this, $ArrayBuffer, ARRAY_BUFFER);
	    var byteLength = toIndex(length);
	    setInternalState$3(this, {
	      bytes: arrayFill.call(new Array(byteLength), 0),
	      byteLength: byteLength
	    });
	    if (!descriptors) this.byteLength = byteLength;
	  };

	  $DataView = function DataView(buffer, byteOffset, byteLength) {
	    anInstance(this, $DataView, DATA_VIEW);
	    anInstance(buffer, $ArrayBuffer, DATA_VIEW);
	    var bufferLength = getInternalState$2(buffer).byteLength;
	    var offset = toInteger(byteOffset);
	    if (offset < 0 || offset > bufferLength) throw RangeError$1('Wrong offset');
	    byteLength = byteLength === undefined ? bufferLength - offset : toLength(byteLength);
	    if (offset + byteLength > bufferLength) throw RangeError$1(WRONG_LENGTH);
	    setInternalState$3(this, {
	      buffer: buffer,
	      byteLength: byteLength,
	      byteOffset: offset
	    });
	    if (!descriptors) {
	      this.buffer = buffer;
	      this.byteLength = byteLength;
	      this.byteOffset = offset;
	    }
	  };

	  if (descriptors) {
	    addGetter($ArrayBuffer, 'byteLength');
	    addGetter($DataView, 'buffer');
	    addGetter($DataView, 'byteLength');
	    addGetter($DataView, 'byteOffset');
	  }

	  redefineAll($DataView[PROTOTYPE$2], {
	    getInt8: function getInt8(byteOffset) {
	      return get$1(this, 1, byteOffset)[0] << 24 >> 24;
	    },
	    getUint8: function getUint8(byteOffset) {
	      return get$1(this, 1, byteOffset)[0];
	    },
	    getInt16: function getInt16(byteOffset /* , littleEndian */) {
	      var bytes = get$1(this, 2, byteOffset, arguments.length > 1 ? arguments[1] : undefined);
	      return (bytes[1] << 8 | bytes[0]) << 16 >> 16;
	    },
	    getUint16: function getUint16(byteOffset /* , littleEndian */) {
	      var bytes = get$1(this, 2, byteOffset, arguments.length > 1 ? arguments[1] : undefined);
	      return bytes[1] << 8 | bytes[0];
	    },
	    getInt32: function getInt32(byteOffset /* , littleEndian */) {
	      return unpackInt32(get$1(this, 4, byteOffset, arguments.length > 1 ? arguments[1] : undefined));
	    },
	    getUint32: function getUint32(byteOffset /* , littleEndian */) {
	      return unpackInt32(get$1(this, 4, byteOffset, arguments.length > 1 ? arguments[1] : undefined)) >>> 0;
	    },
	    getFloat32: function getFloat32(byteOffset /* , littleEndian */) {
	      return unpackIEEE754(get$1(this, 4, byteOffset, arguments.length > 1 ? arguments[1] : undefined), 23);
	    },
	    getFloat64: function getFloat64(byteOffset /* , littleEndian */) {
	      return unpackIEEE754(get$1(this, 8, byteOffset, arguments.length > 1 ? arguments[1] : undefined), 52);
	    },
	    setInt8: function setInt8(byteOffset, value) {
	      set$1(this, 1, byteOffset, packInt8, value);
	    },
	    setUint8: function setUint8(byteOffset, value) {
	      set$1(this, 1, byteOffset, packInt8, value);
	    },
	    setInt16: function setInt16(byteOffset, value /* , littleEndian */) {
	      set$1(this, 2, byteOffset, packInt16, value, arguments.length > 2 ? arguments[2] : undefined);
	    },
	    setUint16: function setUint16(byteOffset, value /* , littleEndian */) {
	      set$1(this, 2, byteOffset, packInt16, value, arguments.length > 2 ? arguments[2] : undefined);
	    },
	    setInt32: function setInt32(byteOffset, value /* , littleEndian */) {
	      set$1(this, 4, byteOffset, packInt32, value, arguments.length > 2 ? arguments[2] : undefined);
	    },
	    setUint32: function setUint32(byteOffset, value /* , littleEndian */) {
	      set$1(this, 4, byteOffset, packInt32, value, arguments.length > 2 ? arguments[2] : undefined);
	    },
	    setFloat32: function setFloat32(byteOffset, value /* , littleEndian */) {
	      set$1(this, 4, byteOffset, packFloat32, value, arguments.length > 2 ? arguments[2] : undefined);
	    },
	    setFloat64: function setFloat64(byteOffset, value /* , littleEndian */) {
	      set$1(this, 8, byteOffset, packFloat64, value, arguments.length > 2 ? arguments[2] : undefined);
	    }
	  });
	} else {
	  if (!fails(function () {
	    NativeArrayBuffer(1);
	  }) || !fails(function () {
	    new NativeArrayBuffer(-1); // eslint-disable-line no-new
	  }) || fails(function () {
	    new NativeArrayBuffer(); // eslint-disable-line no-new
	    new NativeArrayBuffer(1.5); // eslint-disable-line no-new
	    new NativeArrayBuffer(NaN); // eslint-disable-line no-new
	    return NativeArrayBuffer.name != ARRAY_BUFFER;
	  })) {
	    $ArrayBuffer = function ArrayBuffer(length) {
	      anInstance(this, $ArrayBuffer);
	      return new NativeArrayBuffer(toIndex(length));
	    };
	    var ArrayBufferPrototype = $ArrayBuffer[PROTOTYPE$2] = NativeArrayBuffer[PROTOTYPE$2];
	    for (var keys$3 = getOwnPropertyNames$2(NativeArrayBuffer), j$1 = 0, key$1; keys$3.length > j$1;) {
	      if (!((key$1 = keys$3[j$1++]) in $ArrayBuffer)) {
	        createNonEnumerableProperty($ArrayBuffer, key$1, NativeArrayBuffer[key$1]);
	      }
	    }
	    ArrayBufferPrototype.constructor = $ArrayBuffer;
	  }

	  // WebKit bug - the same parent prototype for typed arrays and data view
	  if (objectSetPrototypeOf && objectGetPrototypeOf($DataViewPrototype) !== ObjectPrototype$2) {
	    objectSetPrototypeOf($DataViewPrototype, ObjectPrototype$2);
	  }

	  // iOS Safari 7.x bug
	  var testView = new $DataView(new $ArrayBuffer(2));
	  var nativeSetInt8 = $DataViewPrototype.setInt8;
	  testView.setInt8(0, 2147483648);
	  testView.setInt8(1, 2147483649);
	  if (testView.getInt8(0) || !testView.getInt8(1)) redefineAll($DataViewPrototype, {
	    setInt8: function setInt8(byteOffset, value) {
	      nativeSetInt8.call(this, byteOffset, value << 24 >> 24);
	    },
	    setUint8: function setUint8(byteOffset, value) {
	      nativeSetInt8.call(this, byteOffset, value << 24 >> 24);
	    }
	  }, { unsafe: true });
	}

	setToStringTag($ArrayBuffer, ARRAY_BUFFER);
	setToStringTag($DataView, DATA_VIEW);

	var arrayBuffer = {
	  ArrayBuffer: $ArrayBuffer,
	  DataView: $DataView
	};

	var ARRAY_BUFFER$1 = 'ArrayBuffer';
	var ArrayBuffer$1 = arrayBuffer[ARRAY_BUFFER$1];
	var NativeArrayBuffer$1 = global_1[ARRAY_BUFFER$1];

	// `ArrayBuffer` constructor
	// https://tc39.github.io/ecma262/#sec-arraybuffer-constructor
	_export({ global: true, forced: NativeArrayBuffer$1 !== ArrayBuffer$1 }, {
	  ArrayBuffer: ArrayBuffer$1
	});

	setSpecies(ARRAY_BUFFER$1);

	var notARegexp = function (it) {
	  if (isRegexp(it)) {
	    throw TypeError("The method doesn't accept regular expressions");
	  } return it;
	};

	var MATCH$2 = wellKnownSymbol('match');

	var correctIsRegexpLogic = function (METHOD_NAME) {
	  var regexp = /./;
	  try {
	    '/./'[METHOD_NAME](regexp);
	  } catch (e) {
	    try {
	      regexp[MATCH$2] = false;
	      return '/./'[METHOD_NAME](regexp);
	    } catch (f) { /* empty */ }
	  } return false;
	};

	// `String.prototype.includes` method
	// https://tc39.github.io/ecma262/#sec-string.prototype.includes
	_export({ target: 'String', proto: true, forced: !correctIsRegexpLogic('includes') }, {
	  includes: function includes(searchString /* , position = 0 */) {
	    return !!~String(requireObjectCoercible(this))
	      .indexOf(notARegexp(searchString), arguments.length > 1 ? arguments[1] : undefined);
	  }
	});

	var non = '\u200B\u0085\u180E';

	// check that a method works with the correct list
	// of whitespaces and has a correct name
	var stringTrimForced = function (METHOD_NAME) {
	  return fails(function () {
	    return !!whitespaces[METHOD_NAME]() || non[METHOD_NAME]() != non || whitespaces[METHOD_NAME].name !== METHOD_NAME;
	  });
	};

	var $trim = stringTrim.trim;


	// `String.prototype.trim` method
	// https://tc39.github.io/ecma262/#sec-string.prototype.trim
	_export({ target: 'String', proto: true, forced: stringTrimForced('trim') }, {
	  trim: function trim() {
	    return $trim(this);
	  }
	});

	var ITERATOR$2 = wellKnownSymbol('iterator');
	var SAFE_CLOSING = false;

	try {
	  var called = 0;
	  var iteratorWithReturn = {
	    next: function () {
	      return { done: !!called++ };
	    },
	    'return': function () {
	      SAFE_CLOSING = true;
	    }
	  };
	  iteratorWithReturn[ITERATOR$2] = function () {
	    return this;
	  };
	  // eslint-disable-next-line no-throw-literal
	  Array.from(iteratorWithReturn, function () { throw 2; });
	} catch (error) { /* empty */ }

	var checkCorrectnessOfIteration = function (exec, SKIP_CLOSING) {
	  if (!SKIP_CLOSING && !SAFE_CLOSING) return false;
	  var ITERATION_SUPPORT = false;
	  try {
	    var object = {};
	    object[ITERATOR$2] = function () {
	      return {
	        next: function () {
	          return { done: ITERATION_SUPPORT = true };
	        }
	      };
	    };
	    exec(object);
	  } catch (error) { /* empty */ }
	  return ITERATION_SUPPORT;
	};

	var defineProperty$9 = objectDefineProperty.f;





	var Int8Array$1 = global_1.Int8Array;
	var Int8ArrayPrototype = Int8Array$1 && Int8Array$1.prototype;
	var Uint8ClampedArray = global_1.Uint8ClampedArray;
	var Uint8ClampedArrayPrototype = Uint8ClampedArray && Uint8ClampedArray.prototype;
	var TypedArray = Int8Array$1 && objectGetPrototypeOf(Int8Array$1);
	var TypedArrayPrototype = Int8ArrayPrototype && objectGetPrototypeOf(Int8ArrayPrototype);
	var ObjectPrototype$3 = Object.prototype;
	var isPrototypeOf = ObjectPrototype$3.isPrototypeOf;

	var TO_STRING_TAG$3 = wellKnownSymbol('toStringTag');
	var TYPED_ARRAY_TAG = uid('TYPED_ARRAY_TAG');
	// Fixing native typed arrays in Opera Presto crashes the browser, see #595
	var NATIVE_ARRAY_BUFFER_VIEWS = arrayBufferNative && !!objectSetPrototypeOf && classof(global_1.opera) !== 'Opera';
	var TYPED_ARRAY_TAG_REQIRED = false;
	var NAME$1;

	var TypedArrayConstructorsList = {
	  Int8Array: 1,
	  Uint8Array: 1,
	  Uint8ClampedArray: 1,
	  Int16Array: 2,
	  Uint16Array: 2,
	  Int32Array: 4,
	  Uint32Array: 4,
	  Float32Array: 4,
	  Float64Array: 8
	};

	var isView = function isView(it) {
	  var klass = classof(it);
	  return klass === 'DataView' || has(TypedArrayConstructorsList, klass);
	};

	var isTypedArray = function (it) {
	  return isObject(it) && has(TypedArrayConstructorsList, classof(it));
	};

	var aTypedArray = function (it) {
	  if (isTypedArray(it)) return it;
	  throw TypeError('Target is not a typed array');
	};

	var aTypedArrayConstructor = function (C) {
	  if (objectSetPrototypeOf) {
	    if (isPrototypeOf.call(TypedArray, C)) return C;
	  } else for (var ARRAY in TypedArrayConstructorsList) if (has(TypedArrayConstructorsList, NAME$1)) {
	    var TypedArrayConstructor = global_1[ARRAY];
	    if (TypedArrayConstructor && (C === TypedArrayConstructor || isPrototypeOf.call(TypedArrayConstructor, C))) {
	      return C;
	    }
	  } throw TypeError('Target is not a typed array constructor');
	};

	var exportTypedArrayMethod = function (KEY, property, forced) {
	  if (!descriptors) return;
	  if (forced) for (var ARRAY in TypedArrayConstructorsList) {
	    var TypedArrayConstructor = global_1[ARRAY];
	    if (TypedArrayConstructor && has(TypedArrayConstructor.prototype, KEY)) {
	      delete TypedArrayConstructor.prototype[KEY];
	    }
	  }
	  if (!TypedArrayPrototype[KEY] || forced) {
	    redefine(TypedArrayPrototype, KEY, forced ? property
	      : NATIVE_ARRAY_BUFFER_VIEWS && Int8ArrayPrototype[KEY] || property);
	  }
	};

	var exportTypedArrayStaticMethod = function (KEY, property, forced) {
	  var ARRAY, TypedArrayConstructor;
	  if (!descriptors) return;
	  if (objectSetPrototypeOf) {
	    if (forced) for (ARRAY in TypedArrayConstructorsList) {
	      TypedArrayConstructor = global_1[ARRAY];
	      if (TypedArrayConstructor && has(TypedArrayConstructor, KEY)) {
	        delete TypedArrayConstructor[KEY];
	      }
	    }
	    if (!TypedArray[KEY] || forced) {
	      // V8 ~ Chrome 49-50 `%TypedArray%` methods are non-writable non-configurable
	      try {
	        return redefine(TypedArray, KEY, forced ? property : NATIVE_ARRAY_BUFFER_VIEWS && Int8Array$1[KEY] || property);
	      } catch (error) { /* empty */ }
	    } else return;
	  }
	  for (ARRAY in TypedArrayConstructorsList) {
	    TypedArrayConstructor = global_1[ARRAY];
	    if (TypedArrayConstructor && (!TypedArrayConstructor[KEY] || forced)) {
	      redefine(TypedArrayConstructor, KEY, property);
	    }
	  }
	};

	for (NAME$1 in TypedArrayConstructorsList) {
	  if (!global_1[NAME$1]) NATIVE_ARRAY_BUFFER_VIEWS = false;
	}

	// WebKit bug - typed arrays constructors prototype is Object.prototype
	if (!NATIVE_ARRAY_BUFFER_VIEWS || typeof TypedArray != 'function' || TypedArray === Function.prototype) {
	  // eslint-disable-next-line no-shadow
	  TypedArray = function TypedArray() {
	    throw TypeError('Incorrect invocation');
	  };
	  if (NATIVE_ARRAY_BUFFER_VIEWS) for (NAME$1 in TypedArrayConstructorsList) {
	    if (global_1[NAME$1]) objectSetPrototypeOf(global_1[NAME$1], TypedArray);
	  }
	}

	if (!NATIVE_ARRAY_BUFFER_VIEWS || !TypedArrayPrototype || TypedArrayPrototype === ObjectPrototype$3) {
	  TypedArrayPrototype = TypedArray.prototype;
	  if (NATIVE_ARRAY_BUFFER_VIEWS) for (NAME$1 in TypedArrayConstructorsList) {
	    if (global_1[NAME$1]) objectSetPrototypeOf(global_1[NAME$1].prototype, TypedArrayPrototype);
	  }
	}

	// WebKit bug - one more object in Uint8ClampedArray prototype chain
	if (NATIVE_ARRAY_BUFFER_VIEWS && objectGetPrototypeOf(Uint8ClampedArrayPrototype) !== TypedArrayPrototype) {
	  objectSetPrototypeOf(Uint8ClampedArrayPrototype, TypedArrayPrototype);
	}

	if (descriptors && !has(TypedArrayPrototype, TO_STRING_TAG$3)) {
	  TYPED_ARRAY_TAG_REQIRED = true;
	  defineProperty$9(TypedArrayPrototype, TO_STRING_TAG$3, { get: function () {
	    return isObject(this) ? this[TYPED_ARRAY_TAG] : undefined;
	  } });
	  for (NAME$1 in TypedArrayConstructorsList) if (global_1[NAME$1]) {
	    createNonEnumerableProperty(global_1[NAME$1], TYPED_ARRAY_TAG, NAME$1);
	  }
	}

	var arrayBufferViewCore = {
	  NATIVE_ARRAY_BUFFER_VIEWS: NATIVE_ARRAY_BUFFER_VIEWS,
	  TYPED_ARRAY_TAG: TYPED_ARRAY_TAG_REQIRED && TYPED_ARRAY_TAG,
	  aTypedArray: aTypedArray,
	  aTypedArrayConstructor: aTypedArrayConstructor,
	  exportTypedArrayMethod: exportTypedArrayMethod,
	  exportTypedArrayStaticMethod: exportTypedArrayStaticMethod,
	  isView: isView,
	  isTypedArray: isTypedArray,
	  TypedArray: TypedArray,
	  TypedArrayPrototype: TypedArrayPrototype
	};

	/* eslint-disable no-new */



	var NATIVE_ARRAY_BUFFER_VIEWS$1 = arrayBufferViewCore.NATIVE_ARRAY_BUFFER_VIEWS;

	var ArrayBuffer$2 = global_1.ArrayBuffer;
	var Int8Array$2 = global_1.Int8Array;

	var typedArrayConstructorsRequireWrappers = !NATIVE_ARRAY_BUFFER_VIEWS$1 || !fails(function () {
	  Int8Array$2(1);
	}) || !fails(function () {
	  new Int8Array$2(-1);
	}) || !checkCorrectnessOfIteration(function (iterable) {
	  new Int8Array$2();
	  new Int8Array$2(null);
	  new Int8Array$2(1.5);
	  new Int8Array$2(iterable);
	}, true) || fails(function () {
	  // Safari (11+) bug - a reason why even Safari 13 should load a typed array polyfill
	  return new Int8Array$2(new ArrayBuffer$2(2), 1, undefined).length !== 1;
	});

	var toPositiveInteger = function (it) {
	  var result = toInteger(it);
	  if (result < 0) throw RangeError("The argument can't be less than 0");
	  return result;
	};

	var toOffset = function (it, BYTES) {
	  var offset = toPositiveInteger(it);
	  if (offset % BYTES) throw RangeError('Wrong offset');
	  return offset;
	};

	var ITERATOR$3 = wellKnownSymbol('iterator');

	var getIteratorMethod = function (it) {
	  if (it != undefined) return it[ITERATOR$3]
	    || it['@@iterator']
	    || iterators[classof(it)];
	};

	var ITERATOR$4 = wellKnownSymbol('iterator');
	var ArrayPrototype$1 = Array.prototype;

	// check on default Array iterator
	var isArrayIteratorMethod = function (it) {
	  return it !== undefined && (iterators.Array === it || ArrayPrototype$1[ITERATOR$4] === it);
	};

	var aTypedArrayConstructor$1 = arrayBufferViewCore.aTypedArrayConstructor;

	var typedArrayFrom = function from(source /* , mapfn, thisArg */) {
	  var O = toObject(source);
	  var argumentsLength = arguments.length;
	  var mapfn = argumentsLength > 1 ? arguments[1] : undefined;
	  var mapping = mapfn !== undefined;
	  var iteratorMethod = getIteratorMethod(O);
	  var i, length, result, step, iterator, next;
	  if (iteratorMethod != undefined && !isArrayIteratorMethod(iteratorMethod)) {
	    iterator = iteratorMethod.call(O);
	    next = iterator.next;
	    O = [];
	    while (!(step = next.call(iterator)).done) {
	      O.push(step.value);
	    }
	  }
	  if (mapping && argumentsLength > 2) {
	    mapfn = functionBindContext(mapfn, arguments[2], 2);
	  }
	  length = toLength(O.length);
	  result = new (aTypedArrayConstructor$1(this))(length);
	  for (i = 0; length > i; i++) {
	    result[i] = mapping ? mapfn(O[i], i) : O[i];
	  }
	  return result;
	};

	var typedArrayConstructor = createCommonjsModule(function (module) {


















	var getOwnPropertyNames = objectGetOwnPropertyNames.f;

	var forEach = arrayIteration.forEach;






	var getInternalState = internalState.get;
	var setInternalState = internalState.set;
	var nativeDefineProperty = objectDefineProperty.f;
	var nativeGetOwnPropertyDescriptor = objectGetOwnPropertyDescriptor.f;
	var round = Math.round;
	var RangeError = global_1.RangeError;
	var ArrayBuffer = arrayBuffer.ArrayBuffer;
	var DataView = arrayBuffer.DataView;
	var NATIVE_ARRAY_BUFFER_VIEWS = arrayBufferViewCore.NATIVE_ARRAY_BUFFER_VIEWS;
	var TYPED_ARRAY_TAG = arrayBufferViewCore.TYPED_ARRAY_TAG;
	var TypedArray = arrayBufferViewCore.TypedArray;
	var TypedArrayPrototype = arrayBufferViewCore.TypedArrayPrototype;
	var aTypedArrayConstructor = arrayBufferViewCore.aTypedArrayConstructor;
	var isTypedArray = arrayBufferViewCore.isTypedArray;
	var BYTES_PER_ELEMENT = 'BYTES_PER_ELEMENT';
	var WRONG_LENGTH = 'Wrong length';

	var fromList = function (C, list) {
	  var index = 0;
	  var length = list.length;
	  var result = new (aTypedArrayConstructor(C))(length);
	  while (length > index) result[index] = list[index++];
	  return result;
	};

	var addGetter = function (it, key) {
	  nativeDefineProperty(it, key, { get: function () {
	    return getInternalState(this)[key];
	  } });
	};

	var isArrayBuffer = function (it) {
	  var klass;
	  return it instanceof ArrayBuffer || (klass = classof(it)) == 'ArrayBuffer' || klass == 'SharedArrayBuffer';
	};

	var isTypedArrayIndex = function (target, key) {
	  return isTypedArray(target)
	    && typeof key != 'symbol'
	    && key in target
	    && String(+key) == String(key);
	};

	var wrappedGetOwnPropertyDescriptor = function getOwnPropertyDescriptor(target, key) {
	  return isTypedArrayIndex(target, key = toPrimitive(key, true))
	    ? createPropertyDescriptor(2, target[key])
	    : nativeGetOwnPropertyDescriptor(target, key);
	};

	var wrappedDefineProperty = function defineProperty(target, key, descriptor) {
	  if (isTypedArrayIndex(target, key = toPrimitive(key, true))
	    && isObject(descriptor)
	    && has(descriptor, 'value')
	    && !has(descriptor, 'get')
	    && !has(descriptor, 'set')
	    // TODO: add validation descriptor w/o calling accessors
	    && !descriptor.configurable
	    && (!has(descriptor, 'writable') || descriptor.writable)
	    && (!has(descriptor, 'enumerable') || descriptor.enumerable)
	  ) {
	    target[key] = descriptor.value;
	    return target;
	  } return nativeDefineProperty(target, key, descriptor);
	};

	if (descriptors) {
	  if (!NATIVE_ARRAY_BUFFER_VIEWS) {
	    objectGetOwnPropertyDescriptor.f = wrappedGetOwnPropertyDescriptor;
	    objectDefineProperty.f = wrappedDefineProperty;
	    addGetter(TypedArrayPrototype, 'buffer');
	    addGetter(TypedArrayPrototype, 'byteOffset');
	    addGetter(TypedArrayPrototype, 'byteLength');
	    addGetter(TypedArrayPrototype, 'length');
	  }

	  _export({ target: 'Object', stat: true, forced: !NATIVE_ARRAY_BUFFER_VIEWS }, {
	    getOwnPropertyDescriptor: wrappedGetOwnPropertyDescriptor,
	    defineProperty: wrappedDefineProperty
	  });

	  module.exports = function (TYPE, wrapper, CLAMPED) {
	    var BYTES = TYPE.match(/\d+$/)[0] / 8;
	    var CONSTRUCTOR_NAME = TYPE + (CLAMPED ? 'Clamped' : '') + 'Array';
	    var GETTER = 'get' + TYPE;
	    var SETTER = 'set' + TYPE;
	    var NativeTypedArrayConstructor = global_1[CONSTRUCTOR_NAME];
	    var TypedArrayConstructor = NativeTypedArrayConstructor;
	    var TypedArrayConstructorPrototype = TypedArrayConstructor && TypedArrayConstructor.prototype;
	    var exported = {};

	    var getter = function (that, index) {
	      var data = getInternalState(that);
	      return data.view[GETTER](index * BYTES + data.byteOffset, true);
	    };

	    var setter = function (that, index, value) {
	      var data = getInternalState(that);
	      if (CLAMPED) value = (value = round(value)) < 0 ? 0 : value > 0xFF ? 0xFF : value & 0xFF;
	      data.view[SETTER](index * BYTES + data.byteOffset, value, true);
	    };

	    var addElement = function (that, index) {
	      nativeDefineProperty(that, index, {
	        get: function () {
	          return getter(this, index);
	        },
	        set: function (value) {
	          return setter(this, index, value);
	        },
	        enumerable: true
	      });
	    };

	    if (!NATIVE_ARRAY_BUFFER_VIEWS) {
	      TypedArrayConstructor = wrapper(function (that, data, offset, $length) {
	        anInstance(that, TypedArrayConstructor, CONSTRUCTOR_NAME);
	        var index = 0;
	        var byteOffset = 0;
	        var buffer, byteLength, length;
	        if (!isObject(data)) {
	          length = toIndex(data);
	          byteLength = length * BYTES;
	          buffer = new ArrayBuffer(byteLength);
	        } else if (isArrayBuffer(data)) {
	          buffer = data;
	          byteOffset = toOffset(offset, BYTES);
	          var $len = data.byteLength;
	          if ($length === undefined) {
	            if ($len % BYTES) throw RangeError(WRONG_LENGTH);
	            byteLength = $len - byteOffset;
	            if (byteLength < 0) throw RangeError(WRONG_LENGTH);
	          } else {
	            byteLength = toLength($length) * BYTES;
	            if (byteLength + byteOffset > $len) throw RangeError(WRONG_LENGTH);
	          }
	          length = byteLength / BYTES;
	        } else if (isTypedArray(data)) {
	          return fromList(TypedArrayConstructor, data);
	        } else {
	          return typedArrayFrom.call(TypedArrayConstructor, data);
	        }
	        setInternalState(that, {
	          buffer: buffer,
	          byteOffset: byteOffset,
	          byteLength: byteLength,
	          length: length,
	          view: new DataView(buffer)
	        });
	        while (index < length) addElement(that, index++);
	      });

	      if (objectSetPrototypeOf) objectSetPrototypeOf(TypedArrayConstructor, TypedArray);
	      TypedArrayConstructorPrototype = TypedArrayConstructor.prototype = objectCreate(TypedArrayPrototype);
	    } else if (typedArrayConstructorsRequireWrappers) {
	      TypedArrayConstructor = wrapper(function (dummy, data, typedArrayOffset, $length) {
	        anInstance(dummy, TypedArrayConstructor, CONSTRUCTOR_NAME);
	        return inheritIfRequired(function () {
	          if (!isObject(data)) return new NativeTypedArrayConstructor(toIndex(data));
	          if (isArrayBuffer(data)) return $length !== undefined
	            ? new NativeTypedArrayConstructor(data, toOffset(typedArrayOffset, BYTES), $length)
	            : typedArrayOffset !== undefined
	              ? new NativeTypedArrayConstructor(data, toOffset(typedArrayOffset, BYTES))
	              : new NativeTypedArrayConstructor(data);
	          if (isTypedArray(data)) return fromList(TypedArrayConstructor, data);
	          return typedArrayFrom.call(TypedArrayConstructor, data);
	        }(), dummy, TypedArrayConstructor);
	      });

	      if (objectSetPrototypeOf) objectSetPrototypeOf(TypedArrayConstructor, TypedArray);
	      forEach(getOwnPropertyNames(NativeTypedArrayConstructor), function (key) {
	        if (!(key in TypedArrayConstructor)) {
	          createNonEnumerableProperty(TypedArrayConstructor, key, NativeTypedArrayConstructor[key]);
	        }
	      });
	      TypedArrayConstructor.prototype = TypedArrayConstructorPrototype;
	    }

	    if (TypedArrayConstructorPrototype.constructor !== TypedArrayConstructor) {
	      createNonEnumerableProperty(TypedArrayConstructorPrototype, 'constructor', TypedArrayConstructor);
	    }

	    if (TYPED_ARRAY_TAG) {
	      createNonEnumerableProperty(TypedArrayConstructorPrototype, TYPED_ARRAY_TAG, CONSTRUCTOR_NAME);
	    }

	    exported[CONSTRUCTOR_NAME] = TypedArrayConstructor;

	    _export({
	      global: true, forced: TypedArrayConstructor != NativeTypedArrayConstructor, sham: !NATIVE_ARRAY_BUFFER_VIEWS
	    }, exported);

	    if (!(BYTES_PER_ELEMENT in TypedArrayConstructor)) {
	      createNonEnumerableProperty(TypedArrayConstructor, BYTES_PER_ELEMENT, BYTES);
	    }

	    if (!(BYTES_PER_ELEMENT in TypedArrayConstructorPrototype)) {
	      createNonEnumerableProperty(TypedArrayConstructorPrototype, BYTES_PER_ELEMENT, BYTES);
	    }

	    setSpecies(CONSTRUCTOR_NAME);
	  };
	} else module.exports = function () { /* empty */ };
	});

	// `Uint8Array` constructor
	// https://tc39.github.io/ecma262/#sec-typedarray-objects
	typedArrayConstructor('Uint8', function (init) {
	  return function Uint8Array(data, byteOffset, length) {
	    return init(this, data, byteOffset, length);
	  };
	});

	var min$6 = Math.min;

	// `Array.prototype.copyWithin` method implementation
	// https://tc39.github.io/ecma262/#sec-array.prototype.copywithin
	var arrayCopyWithin = [].copyWithin || function copyWithin(target /* = 0 */, start /* = 0, end = @length */) {
	  var O = toObject(this);
	  var len = toLength(O.length);
	  var to = toAbsoluteIndex(target, len);
	  var from = toAbsoluteIndex(start, len);
	  var end = arguments.length > 2 ? arguments[2] : undefined;
	  var count = min$6((end === undefined ? len : toAbsoluteIndex(end, len)) - from, len - to);
	  var inc = 1;
	  if (from < to && to < from + count) {
	    inc = -1;
	    from += count - 1;
	    to += count - 1;
	  }
	  while (count-- > 0) {
	    if (from in O) O[to] = O[from];
	    else delete O[to];
	    to += inc;
	    from += inc;
	  } return O;
	};

	var aTypedArray$1 = arrayBufferViewCore.aTypedArray;
	var exportTypedArrayMethod$1 = arrayBufferViewCore.exportTypedArrayMethod;

	// `%TypedArray%.prototype.copyWithin` method
	// https://tc39.github.io/ecma262/#sec-%typedarray%.prototype.copywithin
	exportTypedArrayMethod$1('copyWithin', function copyWithin(target, start /* , end */) {
	  return arrayCopyWithin.call(aTypedArray$1(this), target, start, arguments.length > 2 ? arguments[2] : undefined);
	});

	var $every = arrayIteration.every;

	var aTypedArray$2 = arrayBufferViewCore.aTypedArray;
	var exportTypedArrayMethod$2 = arrayBufferViewCore.exportTypedArrayMethod;

	// `%TypedArray%.prototype.every` method
	// https://tc39.github.io/ecma262/#sec-%typedarray%.prototype.every
	exportTypedArrayMethod$2('every', function every(callbackfn /* , thisArg */) {
	  return $every(aTypedArray$2(this), callbackfn, arguments.length > 1 ? arguments[1] : undefined);
	});

	var aTypedArray$3 = arrayBufferViewCore.aTypedArray;
	var exportTypedArrayMethod$3 = arrayBufferViewCore.exportTypedArrayMethod;

	// `%TypedArray%.prototype.fill` method
	// https://tc39.github.io/ecma262/#sec-%typedarray%.prototype.fill
	// eslint-disable-next-line no-unused-vars
	exportTypedArrayMethod$3('fill', function fill(value /* , start, end */) {
	  return arrayFill.apply(aTypedArray$3(this), arguments);
	});

	var $filter$1 = arrayIteration.filter;


	var aTypedArray$4 = arrayBufferViewCore.aTypedArray;
	var aTypedArrayConstructor$2 = arrayBufferViewCore.aTypedArrayConstructor;
	var exportTypedArrayMethod$4 = arrayBufferViewCore.exportTypedArrayMethod;

	// `%TypedArray%.prototype.filter` method
	// https://tc39.github.io/ecma262/#sec-%typedarray%.prototype.filter
	exportTypedArrayMethod$4('filter', function filter(callbackfn /* , thisArg */) {
	  var list = $filter$1(aTypedArray$4(this), callbackfn, arguments.length > 1 ? arguments[1] : undefined);
	  var C = speciesConstructor(this, this.constructor);
	  var index = 0;
	  var length = list.length;
	  var result = new (aTypedArrayConstructor$2(C))(length);
	  while (length > index) result[index] = list[index++];
	  return result;
	});

	var $find = arrayIteration.find;

	var aTypedArray$5 = arrayBufferViewCore.aTypedArray;
	var exportTypedArrayMethod$5 = arrayBufferViewCore.exportTypedArrayMethod;

	// `%TypedArray%.prototype.find` method
	// https://tc39.github.io/ecma262/#sec-%typedarray%.prototype.find
	exportTypedArrayMethod$5('find', function find(predicate /* , thisArg */) {
	  return $find(aTypedArray$5(this), predicate, arguments.length > 1 ? arguments[1] : undefined);
	});

	var $findIndex = arrayIteration.findIndex;

	var aTypedArray$6 = arrayBufferViewCore.aTypedArray;
	var exportTypedArrayMethod$6 = arrayBufferViewCore.exportTypedArrayMethod;

	// `%TypedArray%.prototype.findIndex` method
	// https://tc39.github.io/ecma262/#sec-%typedarray%.prototype.findindex
	exportTypedArrayMethod$6('findIndex', function findIndex(predicate /* , thisArg */) {
	  return $findIndex(aTypedArray$6(this), predicate, arguments.length > 1 ? arguments[1] : undefined);
	});

	var $forEach$2 = arrayIteration.forEach;

	var aTypedArray$7 = arrayBufferViewCore.aTypedArray;
	var exportTypedArrayMethod$7 = arrayBufferViewCore.exportTypedArrayMethod;

	// `%TypedArray%.prototype.forEach` method
	// https://tc39.github.io/ecma262/#sec-%typedarray%.prototype.foreach
	exportTypedArrayMethod$7('forEach', function forEach(callbackfn /* , thisArg */) {
	  $forEach$2(aTypedArray$7(this), callbackfn, arguments.length > 1 ? arguments[1] : undefined);
	});

	var $includes$1 = arrayIncludes.includes;

	var aTypedArray$8 = arrayBufferViewCore.aTypedArray;
	var exportTypedArrayMethod$8 = arrayBufferViewCore.exportTypedArrayMethod;

	// `%TypedArray%.prototype.includes` method
	// https://tc39.github.io/ecma262/#sec-%typedarray%.prototype.includes
	exportTypedArrayMethod$8('includes', function includes(searchElement /* , fromIndex */) {
	  return $includes$1(aTypedArray$8(this), searchElement, arguments.length > 1 ? arguments[1] : undefined);
	});

	var $indexOf$1 = arrayIncludes.indexOf;

	var aTypedArray$9 = arrayBufferViewCore.aTypedArray;
	var exportTypedArrayMethod$9 = arrayBufferViewCore.exportTypedArrayMethod;

	// `%TypedArray%.prototype.indexOf` method
	// https://tc39.github.io/ecma262/#sec-%typedarray%.prototype.indexof
	exportTypedArrayMethod$9('indexOf', function indexOf(searchElement /* , fromIndex */) {
	  return $indexOf$1(aTypedArray$9(this), searchElement, arguments.length > 1 ? arguments[1] : undefined);
	});

	var ITERATOR$5 = wellKnownSymbol('iterator');
	var Uint8Array$1 = global_1.Uint8Array;
	var arrayValues = es_array_iterator.values;
	var arrayKeys = es_array_iterator.keys;
	var arrayEntries = es_array_iterator.entries;
	var aTypedArray$a = arrayBufferViewCore.aTypedArray;
	var exportTypedArrayMethod$a = arrayBufferViewCore.exportTypedArrayMethod;
	var nativeTypedArrayIterator = Uint8Array$1 && Uint8Array$1.prototype[ITERATOR$5];

	var CORRECT_ITER_NAME = !!nativeTypedArrayIterator
	  && (nativeTypedArrayIterator.name == 'values' || nativeTypedArrayIterator.name == undefined);

	var typedArrayValues = function values() {
	  return arrayValues.call(aTypedArray$a(this));
	};

	// `%TypedArray%.prototype.entries` method
	// https://tc39.github.io/ecma262/#sec-%typedarray%.prototype.entries
	exportTypedArrayMethod$a('entries', function entries() {
	  return arrayEntries.call(aTypedArray$a(this));
	});
	// `%TypedArray%.prototype.keys` method
	// https://tc39.github.io/ecma262/#sec-%typedarray%.prototype.keys
	exportTypedArrayMethod$a('keys', function keys() {
	  return arrayKeys.call(aTypedArray$a(this));
	});
	// `%TypedArray%.prototype.values` method
	// https://tc39.github.io/ecma262/#sec-%typedarray%.prototype.values
	exportTypedArrayMethod$a('values', typedArrayValues, !CORRECT_ITER_NAME);
	// `%TypedArray%.prototype[@@iterator]` method
	// https://tc39.github.io/ecma262/#sec-%typedarray%.prototype-@@iterator
	exportTypedArrayMethod$a(ITERATOR$5, typedArrayValues, !CORRECT_ITER_NAME);

	var aTypedArray$b = arrayBufferViewCore.aTypedArray;
	var exportTypedArrayMethod$b = arrayBufferViewCore.exportTypedArrayMethod;
	var $join = [].join;

	// `%TypedArray%.prototype.join` method
	// https://tc39.github.io/ecma262/#sec-%typedarray%.prototype.join
	// eslint-disable-next-line no-unused-vars
	exportTypedArrayMethod$b('join', function join(separator) {
	  return $join.apply(aTypedArray$b(this), arguments);
	});

	var aTypedArray$c = arrayBufferViewCore.aTypedArray;
	var exportTypedArrayMethod$c = arrayBufferViewCore.exportTypedArrayMethod;

	// `%TypedArray%.prototype.lastIndexOf` method
	// https://tc39.github.io/ecma262/#sec-%typedarray%.prototype.lastindexof
	// eslint-disable-next-line no-unused-vars
	exportTypedArrayMethod$c('lastIndexOf', function lastIndexOf(searchElement /* , fromIndex */) {
	  return arrayLastIndexOf.apply(aTypedArray$c(this), arguments);
	});

	var $map$1 = arrayIteration.map;


	var aTypedArray$d = arrayBufferViewCore.aTypedArray;
	var aTypedArrayConstructor$3 = arrayBufferViewCore.aTypedArrayConstructor;
	var exportTypedArrayMethod$d = arrayBufferViewCore.exportTypedArrayMethod;

	// `%TypedArray%.prototype.map` method
	// https://tc39.github.io/ecma262/#sec-%typedarray%.prototype.map
	exportTypedArrayMethod$d('map', function map(mapfn /* , thisArg */) {
	  return $map$1(aTypedArray$d(this), mapfn, arguments.length > 1 ? arguments[1] : undefined, function (O, length) {
	    return new (aTypedArrayConstructor$3(speciesConstructor(O, O.constructor)))(length);
	  });
	});

	var $reduce$1 = arrayReduce.left;

	var aTypedArray$e = arrayBufferViewCore.aTypedArray;
	var exportTypedArrayMethod$e = arrayBufferViewCore.exportTypedArrayMethod;

	// `%TypedArray%.prototype.reduce` method
	// https://tc39.github.io/ecma262/#sec-%typedarray%.prototype.reduce
	exportTypedArrayMethod$e('reduce', function reduce(callbackfn /* , initialValue */) {
	  return $reduce$1(aTypedArray$e(this), callbackfn, arguments.length, arguments.length > 1 ? arguments[1] : undefined);
	});

	var $reduceRight = arrayReduce.right;

	var aTypedArray$f = arrayBufferViewCore.aTypedArray;
	var exportTypedArrayMethod$f = arrayBufferViewCore.exportTypedArrayMethod;

	// `%TypedArray%.prototype.reduceRicht` method
	// https://tc39.github.io/ecma262/#sec-%typedarray%.prototype.reduceright
	exportTypedArrayMethod$f('reduceRight', function reduceRight(callbackfn /* , initialValue */) {
	  return $reduceRight(aTypedArray$f(this), callbackfn, arguments.length, arguments.length > 1 ? arguments[1] : undefined);
	});

	var aTypedArray$g = arrayBufferViewCore.aTypedArray;
	var exportTypedArrayMethod$g = arrayBufferViewCore.exportTypedArrayMethod;
	var floor$3 = Math.floor;

	// `%TypedArray%.prototype.reverse` method
	// https://tc39.github.io/ecma262/#sec-%typedarray%.prototype.reverse
	exportTypedArrayMethod$g('reverse', function reverse() {
	  var that = this;
	  var length = aTypedArray$g(that).length;
	  var middle = floor$3(length / 2);
	  var index = 0;
	  var value;
	  while (index < middle) {
	    value = that[index];
	    that[index++] = that[--length];
	    that[length] = value;
	  } return that;
	});

	var aTypedArray$h = arrayBufferViewCore.aTypedArray;
	var exportTypedArrayMethod$h = arrayBufferViewCore.exportTypedArrayMethod;

	var FORCED$4 = fails(function () {
	  // eslint-disable-next-line no-undef
	  new Int8Array(1).set({});
	});

	// `%TypedArray%.prototype.set` method
	// https://tc39.github.io/ecma262/#sec-%typedarray%.prototype.set
	exportTypedArrayMethod$h('set', function set(arrayLike /* , offset */) {
	  aTypedArray$h(this);
	  var offset = toOffset(arguments.length > 1 ? arguments[1] : undefined, 1);
	  var length = this.length;
	  var src = toObject(arrayLike);
	  var len = toLength(src.length);
	  var index = 0;
	  if (len + offset > length) throw RangeError('Wrong length');
	  while (index < len) this[offset + index] = src[index++];
	}, FORCED$4);

	var aTypedArray$i = arrayBufferViewCore.aTypedArray;
	var aTypedArrayConstructor$4 = arrayBufferViewCore.aTypedArrayConstructor;
	var exportTypedArrayMethod$i = arrayBufferViewCore.exportTypedArrayMethod;
	var $slice = [].slice;

	var FORCED$5 = fails(function () {
	  // eslint-disable-next-line no-undef
	  new Int8Array(1).slice();
	});

	// `%TypedArray%.prototype.slice` method
	// https://tc39.github.io/ecma262/#sec-%typedarray%.prototype.slice
	exportTypedArrayMethod$i('slice', function slice(start, end) {
	  var list = $slice.call(aTypedArray$i(this), start, end);
	  var C = speciesConstructor(this, this.constructor);
	  var index = 0;
	  var length = list.length;
	  var result = new (aTypedArrayConstructor$4(C))(length);
	  while (length > index) result[index] = list[index++];
	  return result;
	}, FORCED$5);

	var $some = arrayIteration.some;

	var aTypedArray$j = arrayBufferViewCore.aTypedArray;
	var exportTypedArrayMethod$j = arrayBufferViewCore.exportTypedArrayMethod;

	// `%TypedArray%.prototype.some` method
	// https://tc39.github.io/ecma262/#sec-%typedarray%.prototype.some
	exportTypedArrayMethod$j('some', function some(callbackfn /* , thisArg */) {
	  return $some(aTypedArray$j(this), callbackfn, arguments.length > 1 ? arguments[1] : undefined);
	});

	var aTypedArray$k = arrayBufferViewCore.aTypedArray;
	var exportTypedArrayMethod$k = arrayBufferViewCore.exportTypedArrayMethod;
	var $sort = [].sort;

	// `%TypedArray%.prototype.sort` method
	// https://tc39.github.io/ecma262/#sec-%typedarray%.prototype.sort
	exportTypedArrayMethod$k('sort', function sort(comparefn) {
	  return $sort.call(aTypedArray$k(this), comparefn);
	});

	var aTypedArray$l = arrayBufferViewCore.aTypedArray;
	var exportTypedArrayMethod$l = arrayBufferViewCore.exportTypedArrayMethod;

	// `%TypedArray%.prototype.subarray` method
	// https://tc39.github.io/ecma262/#sec-%typedarray%.prototype.subarray
	exportTypedArrayMethod$l('subarray', function subarray(begin, end) {
	  var O = aTypedArray$l(this);
	  var length = O.length;
	  var beginIndex = toAbsoluteIndex(begin, length);
	  return new (speciesConstructor(O, O.constructor))(
	    O.buffer,
	    O.byteOffset + beginIndex * O.BYTES_PER_ELEMENT,
	    toLength((end === undefined ? length : toAbsoluteIndex(end, length)) - beginIndex)
	  );
	});

	var Int8Array$3 = global_1.Int8Array;
	var aTypedArray$m = arrayBufferViewCore.aTypedArray;
	var exportTypedArrayMethod$m = arrayBufferViewCore.exportTypedArrayMethod;
	var $toLocaleString = [].toLocaleString;
	var $slice$1 = [].slice;

	// iOS Safari 6.x fails here
	var TO_LOCALE_STRING_BUG = !!Int8Array$3 && fails(function () {
	  $toLocaleString.call(new Int8Array$3(1));
	});

	var FORCED$6 = fails(function () {
	  return [1, 2].toLocaleString() != new Int8Array$3([1, 2]).toLocaleString();
	}) || !fails(function () {
	  Int8Array$3.prototype.toLocaleString.call([1, 2]);
	});

	// `%TypedArray%.prototype.toLocaleString` method
	// https://tc39.github.io/ecma262/#sec-%typedarray%.prototype.tolocalestring
	exportTypedArrayMethod$m('toLocaleString', function toLocaleString() {
	  return $toLocaleString.apply(TO_LOCALE_STRING_BUG ? $slice$1.call(aTypedArray$m(this)) : aTypedArray$m(this), arguments);
	}, FORCED$6);

	var exportTypedArrayMethod$n = arrayBufferViewCore.exportTypedArrayMethod;



	var Uint8Array$2 = global_1.Uint8Array;
	var Uint8ArrayPrototype = Uint8Array$2 && Uint8Array$2.prototype || {};
	var arrayToString = [].toString;
	var arrayJoin = [].join;

	if (fails(function () { arrayToString.call({}); })) {
	  arrayToString = function toString() {
	    return arrayJoin.call(this);
	  };
	}

	var IS_NOT_ARRAY_METHOD = Uint8ArrayPrototype.toString != arrayToString;

	// `%TypedArray%.prototype.toString` method
	// https://tc39.github.io/ecma262/#sec-%typedarray%.prototype.tostring
	exportTypedArrayMethod$n('toString', arrayToString, IS_NOT_ARRAY_METHOD);

	// `URL.prototype.toJSON` method
	// https://url.spec.whatwg.org/#dom-url-tojson
	_export({ target: 'URL', proto: true, enumerable: true }, {
	  toJSON: function toJSON() {
	    return URL.prototype.toString.call(this);
	  }
	});

	var lookup = [];
	var revLookup = [];
	var Arr = typeof Uint8Array !== 'undefined' ? Uint8Array : Array;
	var inited = false;

	function init() {
	  inited = true;
	  var code = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/';

	  for (var i = 0, len = code.length; i < len; ++i) {
	    lookup[i] = code[i];
	    revLookup[code.charCodeAt(i)] = i;
	  }

	  revLookup['-'.charCodeAt(0)] = 62;
	  revLookup['_'.charCodeAt(0)] = 63;
	}

	function toByteArray(b64) {
	  if (!inited) {
	    init();
	  }

	  var i, j, l, tmp, placeHolders, arr;
	  var len = b64.length;

	  if (len % 4 > 0) {
	    throw new Error('Invalid string. Length must be a multiple of 4');
	  } // the number of equal signs (place holders)
	  // if there are two placeholders, than the two characters before it
	  // represent one byte
	  // if there is only one, then the three characters before it represent 2 bytes
	  // this is just a cheap hack to not do indexOf twice


	  placeHolders = b64[len - 2] === '=' ? 2 : b64[len - 1] === '=' ? 1 : 0; // base64 is 4/3 + up to two characters of the original data

	  arr = new Arr(len * 3 / 4 - placeHolders); // if there are placeholders, only get up to the last complete 4 chars

	  l = placeHolders > 0 ? len - 4 : len;
	  var L = 0;

	  for (i = 0, j = 0; i < l; i += 4, j += 3) {
	    tmp = revLookup[b64.charCodeAt(i)] << 18 | revLookup[b64.charCodeAt(i + 1)] << 12 | revLookup[b64.charCodeAt(i + 2)] << 6 | revLookup[b64.charCodeAt(i + 3)];
	    arr[L++] = tmp >> 16 & 0xFF;
	    arr[L++] = tmp >> 8 & 0xFF;
	    arr[L++] = tmp & 0xFF;
	  }

	  if (placeHolders === 2) {
	    tmp = revLookup[b64.charCodeAt(i)] << 2 | revLookup[b64.charCodeAt(i + 1)] >> 4;
	    arr[L++] = tmp & 0xFF;
	  } else if (placeHolders === 1) {
	    tmp = revLookup[b64.charCodeAt(i)] << 10 | revLookup[b64.charCodeAt(i + 1)] << 4 | revLookup[b64.charCodeAt(i + 2)] >> 2;
	    arr[L++] = tmp >> 8 & 0xFF;
	    arr[L++] = tmp & 0xFF;
	  }

	  return arr;
	}

	function tripletToBase64(num) {
	  return lookup[num >> 18 & 0x3F] + lookup[num >> 12 & 0x3F] + lookup[num >> 6 & 0x3F] + lookup[num & 0x3F];
	}

	function encodeChunk(uint8, start, end) {
	  var tmp;
	  var output = [];

	  for (var i = start; i < end; i += 3) {
	    tmp = (uint8[i] << 16) + (uint8[i + 1] << 8) + uint8[i + 2];
	    output.push(tripletToBase64(tmp));
	  }

	  return output.join('');
	}

	function fromByteArray(uint8) {
	  if (!inited) {
	    init();
	  }

	  var tmp;
	  var len = uint8.length;
	  var extraBytes = len % 3; // if we have 1 byte left, pad 2 bytes

	  var output = '';
	  var parts = [];
	  var maxChunkLength = 16383; // must be multiple of 3
	  // go through the array every three bytes, we'll deal with trailing stuff later

	  for (var i = 0, len2 = len - extraBytes; i < len2; i += maxChunkLength) {
	    parts.push(encodeChunk(uint8, i, i + maxChunkLength > len2 ? len2 : i + maxChunkLength));
	  } // pad the end with zeros, but make sure to not forget the extra bytes


	  if (extraBytes === 1) {
	    tmp = uint8[len - 1];
	    output += lookup[tmp >> 2];
	    output += lookup[tmp << 4 & 0x3F];
	    output += '==';
	  } else if (extraBytes === 2) {
	    tmp = (uint8[len - 2] << 8) + uint8[len - 1];
	    output += lookup[tmp >> 10];
	    output += lookup[tmp >> 4 & 0x3F];
	    output += lookup[tmp << 2 & 0x3F];
	    output += '=';
	  }

	  parts.push(output);
	  return parts.join('');
	}

	function read(buffer, offset, isLE, mLen, nBytes) {
	  var e, m;
	  var eLen = nBytes * 8 - mLen - 1;
	  var eMax = (1 << eLen) - 1;
	  var eBias = eMax >> 1;
	  var nBits = -7;
	  var i = isLE ? nBytes - 1 : 0;
	  var d = isLE ? -1 : 1;
	  var s = buffer[offset + i];
	  i += d;
	  e = s & (1 << -nBits) - 1;
	  s >>= -nBits;
	  nBits += eLen;

	  for (; nBits > 0; e = e * 256 + buffer[offset + i], i += d, nBits -= 8) {}

	  m = e & (1 << -nBits) - 1;
	  e >>= -nBits;
	  nBits += mLen;

	  for (; nBits > 0; m = m * 256 + buffer[offset + i], i += d, nBits -= 8) {}

	  if (e === 0) {
	    e = 1 - eBias;
	  } else if (e === eMax) {
	    return m ? NaN : (s ? -1 : 1) * Infinity;
	  } else {
	    m = m + Math.pow(2, mLen);
	    e = e - eBias;
	  }

	  return (s ? -1 : 1) * m * Math.pow(2, e - mLen);
	}
	function write(buffer, value, offset, isLE, mLen, nBytes) {
	  var e, m, c;
	  var eLen = nBytes * 8 - mLen - 1;
	  var eMax = (1 << eLen) - 1;
	  var eBias = eMax >> 1;
	  var rt = mLen === 23 ? Math.pow(2, -24) - Math.pow(2, -77) : 0;
	  var i = isLE ? 0 : nBytes - 1;
	  var d = isLE ? 1 : -1;
	  var s = value < 0 || value === 0 && 1 / value < 0 ? 1 : 0;
	  value = Math.abs(value);

	  if (isNaN(value) || value === Infinity) {
	    m = isNaN(value) ? 1 : 0;
	    e = eMax;
	  } else {
	    e = Math.floor(Math.log(value) / Math.LN2);

	    if (value * (c = Math.pow(2, -e)) < 1) {
	      e--;
	      c *= 2;
	    }

	    if (e + eBias >= 1) {
	      value += rt / c;
	    } else {
	      value += rt * Math.pow(2, 1 - eBias);
	    }

	    if (value * c >= 2) {
	      e++;
	      c /= 2;
	    }

	    if (e + eBias >= eMax) {
	      m = 0;
	      e = eMax;
	    } else if (e + eBias >= 1) {
	      m = (value * c - 1) * Math.pow(2, mLen);
	      e = e + eBias;
	    } else {
	      m = value * Math.pow(2, eBias - 1) * Math.pow(2, mLen);
	      e = 0;
	    }
	  }

	  for (; mLen >= 8; buffer[offset + i] = m & 0xff, i += d, m /= 256, mLen -= 8) {}

	  e = e << mLen | m;
	  eLen += mLen;

	  for (; eLen > 0; buffer[offset + i] = e & 0xff, i += d, e /= 256, eLen -= 8) {}

	  buffer[offset + i - d] |= s * 128;
	}

	var toString$2 = {}.toString;
	var isArray$1 = Array.isArray || function (arr) {
	  return toString$2.call(arr) == '[object Array]';
	};

	var INSPECT_MAX_BYTES = 50;
	/**
	 * If `Buffer.TYPED_ARRAY_SUPPORT`:
	 *   === true    Use Uint8Array implementation (fastest)
	 *   === false   Use Object implementation (most compatible, even IE6)
	 *
	 * Browsers that support typed arrays are IE 10+, Firefox 4+, Chrome 7+, Safari 5.1+,
	 * Opera 11.6+, iOS 4.2+.
	 *
	 * Due to various browser bugs, sometimes the Object implementation will be used even
	 * when the browser supports typed arrays.
	 *
	 * Note:
	 *
	 *   - Firefox 4-29 lacks support for adding new properties to `Uint8Array` instances,
	 *     See: https://bugzilla.mozilla.org/show_bug.cgi?id=695438.
	 *
	 *   - Chrome 9-10 is missing the `TypedArray.prototype.subarray` function.
	 *
	 *   - IE10 has a broken `TypedArray.prototype.subarray` function which returns arrays of
	 *     incorrect length in some situations.

	 * We detect these buggy browsers and set `Buffer.TYPED_ARRAY_SUPPORT` to `false` so they
	 * get the Object implementation, which is slower but behaves correctly.
	 */

	Buffer.TYPED_ARRAY_SUPPORT = global$2.TYPED_ARRAY_SUPPORT !== undefined ? global$2.TYPED_ARRAY_SUPPORT : true;

	function kMaxLength() {
	  return Buffer.TYPED_ARRAY_SUPPORT ? 0x7fffffff : 0x3fffffff;
	}

	function createBuffer(that, length) {
	  if (kMaxLength() < length) {
	    throw new RangeError('Invalid typed array length');
	  }

	  if (Buffer.TYPED_ARRAY_SUPPORT) {
	    // Return an augmented `Uint8Array` instance, for best performance
	    that = new Uint8Array(length);
	    that.__proto__ = Buffer.prototype;
	  } else {
	    // Fallback: Return an object instance of the Buffer class
	    if (that === null) {
	      that = new Buffer(length);
	    }

	    that.length = length;
	  }

	  return that;
	}
	/**
	 * The Buffer constructor returns instances of `Uint8Array` that have their
	 * prototype changed to `Buffer.prototype`. Furthermore, `Buffer` is a subclass of
	 * `Uint8Array`, so the returned instances will have all the node `Buffer` methods
	 * and the `Uint8Array` methods. Square bracket notation works as expected -- it
	 * returns a single octet.
	 *
	 * The `Uint8Array` prototype remains unmodified.
	 */


	function Buffer(arg, encodingOrOffset, length) {
	  if (!Buffer.TYPED_ARRAY_SUPPORT && !(this instanceof Buffer)) {
	    return new Buffer(arg, encodingOrOffset, length);
	  } // Common case.


	  if (typeof arg === 'number') {
	    if (typeof encodingOrOffset === 'string') {
	      throw new Error('If encoding is specified then the first argument must be a string');
	    }

	    return allocUnsafe(this, arg);
	  }

	  return from(this, arg, encodingOrOffset, length);
	}
	Buffer.poolSize = 8192; // not used by this implementation
	// TODO: Legacy, not needed anymore. Remove in next major version.

	Buffer._augment = function (arr) {
	  arr.__proto__ = Buffer.prototype;
	  return arr;
	};

	function from(that, value, encodingOrOffset, length) {
	  if (typeof value === 'number') {
	    throw new TypeError('"value" argument must not be a number');
	  }

	  if (typeof ArrayBuffer !== 'undefined' && value instanceof ArrayBuffer) {
	    return fromArrayBuffer(that, value, encodingOrOffset, length);
	  }

	  if (typeof value === 'string') {
	    return fromString(that, value, encodingOrOffset);
	  }

	  return fromObject(that, value);
	}
	/**
	 * Functionally equivalent to Buffer(arg, encoding) but throws a TypeError
	 * if value is a number.
	 * Buffer.from(str[, encoding])
	 * Buffer.from(array)
	 * Buffer.from(buffer)
	 * Buffer.from(arrayBuffer[, byteOffset[, length]])
	 **/


	Buffer.from = function (value, encodingOrOffset, length) {
	  return from(null, value, encodingOrOffset, length);
	};

	if (Buffer.TYPED_ARRAY_SUPPORT) {
	  Buffer.prototype.__proto__ = Uint8Array.prototype;
	  Buffer.__proto__ = Uint8Array;
	}

	function assertSize(size) {
	  if (typeof size !== 'number') {
	    throw new TypeError('"size" argument must be a number');
	  } else if (size < 0) {
	    throw new RangeError('"size" argument must not be negative');
	  }
	}

	function alloc(that, size, fill, encoding) {
	  assertSize(size);

	  if (size <= 0) {
	    return createBuffer(that, size);
	  }

	  if (fill !== undefined) {
	    // Only pay attention to encoding if it's a string. This
	    // prevents accidentally sending in a number that would
	    // be interpretted as a start offset.
	    return typeof encoding === 'string' ? createBuffer(that, size).fill(fill, encoding) : createBuffer(that, size).fill(fill);
	  }

	  return createBuffer(that, size);
	}
	/**
	 * Creates a new filled Buffer instance.
	 * alloc(size[, fill[, encoding]])
	 **/


	Buffer.alloc = function (size, fill, encoding) {
	  return alloc(null, size, fill, encoding);
	};

	function allocUnsafe(that, size) {
	  assertSize(size);
	  that = createBuffer(that, size < 0 ? 0 : checked(size) | 0);

	  if (!Buffer.TYPED_ARRAY_SUPPORT) {
	    for (var i = 0; i < size; ++i) {
	      that[i] = 0;
	    }
	  }

	  return that;
	}
	/**
	 * Equivalent to Buffer(num), by default creates a non-zero-filled Buffer instance.
	 * */


	Buffer.allocUnsafe = function (size) {
	  return allocUnsafe(null, size);
	};
	/**
	 * Equivalent to SlowBuffer(num), by default creates a non-zero-filled Buffer instance.
	 */


	Buffer.allocUnsafeSlow = function (size) {
	  return allocUnsafe(null, size);
	};

	function fromString(that, string, encoding) {
	  if (typeof encoding !== 'string' || encoding === '') {
	    encoding = 'utf8';
	  }

	  if (!Buffer.isEncoding(encoding)) {
	    throw new TypeError('"encoding" must be a valid string encoding');
	  }

	  var length = byteLength(string, encoding) | 0;
	  that = createBuffer(that, length);
	  var actual = that.write(string, encoding);

	  if (actual !== length) {
	    // Writing a hex string, for example, that contains invalid characters will
	    // cause everything after the first invalid character to be ignored. (e.g.
	    // 'abxxcd' will be treated as 'ab')
	    that = that.slice(0, actual);
	  }

	  return that;
	}

	function fromArrayLike(that, array) {
	  var length = array.length < 0 ? 0 : checked(array.length) | 0;
	  that = createBuffer(that, length);

	  for (var i = 0; i < length; i += 1) {
	    that[i] = array[i] & 255;
	  }

	  return that;
	}

	function fromArrayBuffer(that, array, byteOffset, length) {
	  array.byteLength; // this throws if `array` is not a valid ArrayBuffer

	  if (byteOffset < 0 || array.byteLength < byteOffset) {
	    throw new RangeError('\'offset\' is out of bounds');
	  }

	  if (array.byteLength < byteOffset + (length || 0)) {
	    throw new RangeError('\'length\' is out of bounds');
	  }

	  if (byteOffset === undefined && length === undefined) {
	    array = new Uint8Array(array);
	  } else if (length === undefined) {
	    array = new Uint8Array(array, byteOffset);
	  } else {
	    array = new Uint8Array(array, byteOffset, length);
	  }

	  if (Buffer.TYPED_ARRAY_SUPPORT) {
	    // Return an augmented `Uint8Array` instance, for best performance
	    that = array;
	    that.__proto__ = Buffer.prototype;
	  } else {
	    // Fallback: Return an object instance of the Buffer class
	    that = fromArrayLike(that, array);
	  }

	  return that;
	}

	function fromObject(that, obj) {
	  if (internalIsBuffer(obj)) {
	    var len = checked(obj.length) | 0;
	    that = createBuffer(that, len);

	    if (that.length === 0) {
	      return that;
	    }

	    obj.copy(that, 0, 0, len);
	    return that;
	  }

	  if (obj) {
	    if (typeof ArrayBuffer !== 'undefined' && obj.buffer instanceof ArrayBuffer || 'length' in obj) {
	      if (typeof obj.length !== 'number' || isnan(obj.length)) {
	        return createBuffer(that, 0);
	      }

	      return fromArrayLike(that, obj);
	    }

	    if (obj.type === 'Buffer' && isArray$1(obj.data)) {
	      return fromArrayLike(that, obj.data);
	    }
	  }

	  throw new TypeError('First argument must be a string, Buffer, ArrayBuffer, Array, or array-like object.');
	}

	function checked(length) {
	  // Note: cannot use `length < kMaxLength()` here because that fails when
	  // length is NaN (which is otherwise coerced to zero.)
	  if (length >= kMaxLength()) {
	    throw new RangeError('Attempt to allocate Buffer larger than maximum ' + 'size: 0x' + kMaxLength().toString(16) + ' bytes');
	  }

	  return length | 0;
	}
	Buffer.isBuffer = isBuffer;

	function internalIsBuffer(b) {
	  return !!(b != null && b._isBuffer);
	}

	Buffer.compare = function compare(a, b) {
	  if (!internalIsBuffer(a) || !internalIsBuffer(b)) {
	    throw new TypeError('Arguments must be Buffers');
	  }

	  if (a === b) return 0;
	  var x = a.length;
	  var y = b.length;

	  for (var i = 0, len = Math.min(x, y); i < len; ++i) {
	    if (a[i] !== b[i]) {
	      x = a[i];
	      y = b[i];
	      break;
	    }
	  }

	  if (x < y) return -1;
	  if (y < x) return 1;
	  return 0;
	};

	Buffer.isEncoding = function isEncoding(encoding) {
	  switch (String(encoding).toLowerCase()) {
	    case 'hex':
	    case 'utf8':
	    case 'utf-8':
	    case 'ascii':
	    case 'latin1':
	    case 'binary':
	    case 'base64':
	    case 'ucs2':
	    case 'ucs-2':
	    case 'utf16le':
	    case 'utf-16le':
	      return true;

	    default:
	      return false;
	  }
	};

	Buffer.concat = function concat(list, length) {
	  if (!isArray$1(list)) {
	    throw new TypeError('"list" argument must be an Array of Buffers');
	  }

	  if (list.length === 0) {
	    return Buffer.alloc(0);
	  }

	  var i;

	  if (length === undefined) {
	    length = 0;

	    for (i = 0; i < list.length; ++i) {
	      length += list[i].length;
	    }
	  }

	  var buffer = Buffer.allocUnsafe(length);
	  var pos = 0;

	  for (i = 0; i < list.length; ++i) {
	    var buf = list[i];

	    if (!internalIsBuffer(buf)) {
	      throw new TypeError('"list" argument must be an Array of Buffers');
	    }

	    buf.copy(buffer, pos);
	    pos += buf.length;
	  }

	  return buffer;
	};

	function byteLength(string, encoding) {
	  if (internalIsBuffer(string)) {
	    return string.length;
	  }

	  if (typeof ArrayBuffer !== 'undefined' && typeof ArrayBuffer.isView === 'function' && (ArrayBuffer.isView(string) || string instanceof ArrayBuffer)) {
	    return string.byteLength;
	  }

	  if (typeof string !== 'string') {
	    string = '' + string;
	  }

	  var len = string.length;
	  if (len === 0) return 0; // Use a for loop to avoid recursion

	  var loweredCase = false;

	  for (;;) {
	    switch (encoding) {
	      case 'ascii':
	      case 'latin1':
	      case 'binary':
	        return len;

	      case 'utf8':
	      case 'utf-8':
	      case undefined:
	        return utf8ToBytes(string).length;

	      case 'ucs2':
	      case 'ucs-2':
	      case 'utf16le':
	      case 'utf-16le':
	        return len * 2;

	      case 'hex':
	        return len >>> 1;

	      case 'base64':
	        return base64ToBytes(string).length;

	      default:
	        if (loweredCase) return utf8ToBytes(string).length; // assume utf8

	        encoding = ('' + encoding).toLowerCase();
	        loweredCase = true;
	    }
	  }
	}

	Buffer.byteLength = byteLength;

	function slowToString(encoding, start, end) {
	  var loweredCase = false; // No need to verify that "this.length <= MAX_UINT32" since it's a read-only
	  // property of a typed array.
	  // This behaves neither like String nor Uint8Array in that we set start/end
	  // to their upper/lower bounds if the value passed is out of range.
	  // undefined is handled specially as per ECMA-262 6th Edition,
	  // Section 13.3.3.7 Runtime Semantics: KeyedBindingInitialization.

	  if (start === undefined || start < 0) {
	    start = 0;
	  } // Return early if start > this.length. Done here to prevent potential uint32
	  // coercion fail below.


	  if (start > this.length) {
	    return '';
	  }

	  if (end === undefined || end > this.length) {
	    end = this.length;
	  }

	  if (end <= 0) {
	    return '';
	  } // Force coersion to uint32. This will also coerce falsey/NaN values to 0.


	  end >>>= 0;
	  start >>>= 0;

	  if (end <= start) {
	    return '';
	  }

	  if (!encoding) encoding = 'utf8';

	  while (true) {
	    switch (encoding) {
	      case 'hex':
	        return hexSlice(this, start, end);

	      case 'utf8':
	      case 'utf-8':
	        return utf8Slice(this, start, end);

	      case 'ascii':
	        return asciiSlice(this, start, end);

	      case 'latin1':
	      case 'binary':
	        return latin1Slice(this, start, end);

	      case 'base64':
	        return base64Slice(this, start, end);

	      case 'ucs2':
	      case 'ucs-2':
	      case 'utf16le':
	      case 'utf-16le':
	        return utf16leSlice(this, start, end);

	      default:
	        if (loweredCase) throw new TypeError('Unknown encoding: ' + encoding);
	        encoding = (encoding + '').toLowerCase();
	        loweredCase = true;
	    }
	  }
	} // The property is used by `Buffer.isBuffer` and `is-buffer` (in Safari 5-7) to detect
	// Buffer instances.


	Buffer.prototype._isBuffer = true;

	function swap(b, n, m) {
	  var i = b[n];
	  b[n] = b[m];
	  b[m] = i;
	}

	Buffer.prototype.swap16 = function swap16() {
	  var len = this.length;

	  if (len % 2 !== 0) {
	    throw new RangeError('Buffer size must be a multiple of 16-bits');
	  }

	  for (var i = 0; i < len; i += 2) {
	    swap(this, i, i + 1);
	  }

	  return this;
	};

	Buffer.prototype.swap32 = function swap32() {
	  var len = this.length;

	  if (len % 4 !== 0) {
	    throw new RangeError('Buffer size must be a multiple of 32-bits');
	  }

	  for (var i = 0; i < len; i += 4) {
	    swap(this, i, i + 3);
	    swap(this, i + 1, i + 2);
	  }

	  return this;
	};

	Buffer.prototype.swap64 = function swap64() {
	  var len = this.length;

	  if (len % 8 !== 0) {
	    throw new RangeError('Buffer size must be a multiple of 64-bits');
	  }

	  for (var i = 0; i < len; i += 8) {
	    swap(this, i, i + 7);
	    swap(this, i + 1, i + 6);
	    swap(this, i + 2, i + 5);
	    swap(this, i + 3, i + 4);
	  }

	  return this;
	};

	Buffer.prototype.toString = function toString() {
	  var length = this.length | 0;
	  if (length === 0) return '';
	  if (arguments.length === 0) return utf8Slice(this, 0, length);
	  return slowToString.apply(this, arguments);
	};

	Buffer.prototype.equals = function equals(b) {
	  if (!internalIsBuffer(b)) throw new TypeError('Argument must be a Buffer');
	  if (this === b) return true;
	  return Buffer.compare(this, b) === 0;
	};

	Buffer.prototype.inspect = function inspect() {
	  var str = '';
	  var max = INSPECT_MAX_BYTES;

	  if (this.length > 0) {
	    str = this.toString('hex', 0, max).match(/.{2}/g).join(' ');
	    if (this.length > max) str += ' ... ';
	  }

	  return '<Buffer ' + str + '>';
	};

	Buffer.prototype.compare = function compare(target, start, end, thisStart, thisEnd) {
	  if (!internalIsBuffer(target)) {
	    throw new TypeError('Argument must be a Buffer');
	  }

	  if (start === undefined) {
	    start = 0;
	  }

	  if (end === undefined) {
	    end = target ? target.length : 0;
	  }

	  if (thisStart === undefined) {
	    thisStart = 0;
	  }

	  if (thisEnd === undefined) {
	    thisEnd = this.length;
	  }

	  if (start < 0 || end > target.length || thisStart < 0 || thisEnd > this.length) {
	    throw new RangeError('out of range index');
	  }

	  if (thisStart >= thisEnd && start >= end) {
	    return 0;
	  }

	  if (thisStart >= thisEnd) {
	    return -1;
	  }

	  if (start >= end) {
	    return 1;
	  }

	  start >>>= 0;
	  end >>>= 0;
	  thisStart >>>= 0;
	  thisEnd >>>= 0;
	  if (this === target) return 0;
	  var x = thisEnd - thisStart;
	  var y = end - start;
	  var len = Math.min(x, y);
	  var thisCopy = this.slice(thisStart, thisEnd);
	  var targetCopy = target.slice(start, end);

	  for (var i = 0; i < len; ++i) {
	    if (thisCopy[i] !== targetCopy[i]) {
	      x = thisCopy[i];
	      y = targetCopy[i];
	      break;
	    }
	  }

	  if (x < y) return -1;
	  if (y < x) return 1;
	  return 0;
	}; // Finds either the first index of `val` in `buffer` at offset >= `byteOffset`,
	// OR the last index of `val` in `buffer` at offset <= `byteOffset`.
	//
	// Arguments:
	// - buffer - a Buffer to search
	// - val - a string, Buffer, or number
	// - byteOffset - an index into `buffer`; will be clamped to an int32
	// - encoding - an optional encoding, relevant is val is a string
	// - dir - true for indexOf, false for lastIndexOf


	function bidirectionalIndexOf(buffer, val, byteOffset, encoding, dir) {
	  // Empty buffer means no match
	  if (buffer.length === 0) return -1; // Normalize byteOffset

	  if (typeof byteOffset === 'string') {
	    encoding = byteOffset;
	    byteOffset = 0;
	  } else if (byteOffset > 0x7fffffff) {
	    byteOffset = 0x7fffffff;
	  } else if (byteOffset < -0x80000000) {
	    byteOffset = -0x80000000;
	  }

	  byteOffset = +byteOffset; // Coerce to Number.

	  if (isNaN(byteOffset)) {
	    // byteOffset: it it's undefined, null, NaN, "foo", etc, search whole buffer
	    byteOffset = dir ? 0 : buffer.length - 1;
	  } // Normalize byteOffset: negative offsets start from the end of the buffer


	  if (byteOffset < 0) byteOffset = buffer.length + byteOffset;

	  if (byteOffset >= buffer.length) {
	    if (dir) return -1;else byteOffset = buffer.length - 1;
	  } else if (byteOffset < 0) {
	    if (dir) byteOffset = 0;else return -1;
	  } // Normalize val


	  if (typeof val === 'string') {
	    val = Buffer.from(val, encoding);
	  } // Finally, search either indexOf (if dir is true) or lastIndexOf


	  if (internalIsBuffer(val)) {
	    // Special case: looking for empty string/buffer always fails
	    if (val.length === 0) {
	      return -1;
	    }

	    return arrayIndexOf(buffer, val, byteOffset, encoding, dir);
	  } else if (typeof val === 'number') {
	    val = val & 0xFF; // Search for a byte value [0-255]

	    if (Buffer.TYPED_ARRAY_SUPPORT && typeof Uint8Array.prototype.indexOf === 'function') {
	      if (dir) {
	        return Uint8Array.prototype.indexOf.call(buffer, val, byteOffset);
	      } else {
	        return Uint8Array.prototype.lastIndexOf.call(buffer, val, byteOffset);
	      }
	    }

	    return arrayIndexOf(buffer, [val], byteOffset, encoding, dir);
	  }

	  throw new TypeError('val must be string, number or Buffer');
	}

	function arrayIndexOf(arr, val, byteOffset, encoding, dir) {
	  var indexSize = 1;
	  var arrLength = arr.length;
	  var valLength = val.length;

	  if (encoding !== undefined) {
	    encoding = String(encoding).toLowerCase();

	    if (encoding === 'ucs2' || encoding === 'ucs-2' || encoding === 'utf16le' || encoding === 'utf-16le') {
	      if (arr.length < 2 || val.length < 2) {
	        return -1;
	      }

	      indexSize = 2;
	      arrLength /= 2;
	      valLength /= 2;
	      byteOffset /= 2;
	    }
	  }

	  function read(buf, i) {
	    if (indexSize === 1) {
	      return buf[i];
	    } else {
	      return buf.readUInt16BE(i * indexSize);
	    }
	  }

	  var i;

	  if (dir) {
	    var foundIndex = -1;

	    for (i = byteOffset; i < arrLength; i++) {
	      if (read(arr, i) === read(val, foundIndex === -1 ? 0 : i - foundIndex)) {
	        if (foundIndex === -1) foundIndex = i;
	        if (i - foundIndex + 1 === valLength) return foundIndex * indexSize;
	      } else {
	        if (foundIndex !== -1) i -= i - foundIndex;
	        foundIndex = -1;
	      }
	    }
	  } else {
	    if (byteOffset + valLength > arrLength) byteOffset = arrLength - valLength;

	    for (i = byteOffset; i >= 0; i--) {
	      var found = true;

	      for (var j = 0; j < valLength; j++) {
	        if (read(arr, i + j) !== read(val, j)) {
	          found = false;
	          break;
	        }
	      }

	      if (found) return i;
	    }
	  }

	  return -1;
	}

	Buffer.prototype.includes = function includes(val, byteOffset, encoding) {
	  return this.indexOf(val, byteOffset, encoding) !== -1;
	};

	Buffer.prototype.indexOf = function indexOf(val, byteOffset, encoding) {
	  return bidirectionalIndexOf(this, val, byteOffset, encoding, true);
	};

	Buffer.prototype.lastIndexOf = function lastIndexOf(val, byteOffset, encoding) {
	  return bidirectionalIndexOf(this, val, byteOffset, encoding, false);
	};

	function hexWrite(buf, string, offset, length) {
	  offset = Number(offset) || 0;
	  var remaining = buf.length - offset;

	  if (!length) {
	    length = remaining;
	  } else {
	    length = Number(length);

	    if (length > remaining) {
	      length = remaining;
	    }
	  } // must be an even number of digits


	  var strLen = string.length;
	  if (strLen % 2 !== 0) throw new TypeError('Invalid hex string');

	  if (length > strLen / 2) {
	    length = strLen / 2;
	  }

	  for (var i = 0; i < length; ++i) {
	    var parsed = parseInt(string.substr(i * 2, 2), 16);
	    if (isNaN(parsed)) return i;
	    buf[offset + i] = parsed;
	  }

	  return i;
	}

	function utf8Write(buf, string, offset, length) {
	  return blitBuffer(utf8ToBytes(string, buf.length - offset), buf, offset, length);
	}

	function asciiWrite(buf, string, offset, length) {
	  return blitBuffer(asciiToBytes(string), buf, offset, length);
	}

	function latin1Write(buf, string, offset, length) {
	  return asciiWrite(buf, string, offset, length);
	}

	function base64Write(buf, string, offset, length) {
	  return blitBuffer(base64ToBytes(string), buf, offset, length);
	}

	function ucs2Write(buf, string, offset, length) {
	  return blitBuffer(utf16leToBytes(string, buf.length - offset), buf, offset, length);
	}

	Buffer.prototype.write = function write(string, offset, length, encoding) {
	  // Buffer#write(string)
	  if (offset === undefined) {
	    encoding = 'utf8';
	    length = this.length;
	    offset = 0; // Buffer#write(string, encoding)
	  } else if (length === undefined && typeof offset === 'string') {
	    encoding = offset;
	    length = this.length;
	    offset = 0; // Buffer#write(string, offset[, length][, encoding])
	  } else if (isFinite(offset)) {
	    offset = offset | 0;

	    if (isFinite(length)) {
	      length = length | 0;
	      if (encoding === undefined) encoding = 'utf8';
	    } else {
	      encoding = length;
	      length = undefined;
	    } // legacy write(string, encoding, offset, length) - remove in v0.13

	  } else {
	    throw new Error('Buffer.write(string, encoding, offset[, length]) is no longer supported');
	  }

	  var remaining = this.length - offset;
	  if (length === undefined || length > remaining) length = remaining;

	  if (string.length > 0 && (length < 0 || offset < 0) || offset > this.length) {
	    throw new RangeError('Attempt to write outside buffer bounds');
	  }

	  if (!encoding) encoding = 'utf8';
	  var loweredCase = false;

	  for (;;) {
	    switch (encoding) {
	      case 'hex':
	        return hexWrite(this, string, offset, length);

	      case 'utf8':
	      case 'utf-8':
	        return utf8Write(this, string, offset, length);

	      case 'ascii':
	        return asciiWrite(this, string, offset, length);

	      case 'latin1':
	      case 'binary':
	        return latin1Write(this, string, offset, length);

	      case 'base64':
	        // Warning: maxLength not taken into account in base64Write
	        return base64Write(this, string, offset, length);

	      case 'ucs2':
	      case 'ucs-2':
	      case 'utf16le':
	      case 'utf-16le':
	        return ucs2Write(this, string, offset, length);

	      default:
	        if (loweredCase) throw new TypeError('Unknown encoding: ' + encoding);
	        encoding = ('' + encoding).toLowerCase();
	        loweredCase = true;
	    }
	  }
	};

	Buffer.prototype.toJSON = function toJSON() {
	  return {
	    type: 'Buffer',
	    data: Array.prototype.slice.call(this._arr || this, 0)
	  };
	};

	function base64Slice(buf, start, end) {
	  if (start === 0 && end === buf.length) {
	    return fromByteArray(buf);
	  } else {
	    return fromByteArray(buf.slice(start, end));
	  }
	}

	function utf8Slice(buf, start, end) {
	  end = Math.min(buf.length, end);
	  var res = [];
	  var i = start;

	  while (i < end) {
	    var firstByte = buf[i];
	    var codePoint = null;
	    var bytesPerSequence = firstByte > 0xEF ? 4 : firstByte > 0xDF ? 3 : firstByte > 0xBF ? 2 : 1;

	    if (i + bytesPerSequence <= end) {
	      var secondByte, thirdByte, fourthByte, tempCodePoint;

	      switch (bytesPerSequence) {
	        case 1:
	          if (firstByte < 0x80) {
	            codePoint = firstByte;
	          }

	          break;

	        case 2:
	          secondByte = buf[i + 1];

	          if ((secondByte & 0xC0) === 0x80) {
	            tempCodePoint = (firstByte & 0x1F) << 0x6 | secondByte & 0x3F;

	            if (tempCodePoint > 0x7F) {
	              codePoint = tempCodePoint;
	            }
	          }

	          break;

	        case 3:
	          secondByte = buf[i + 1];
	          thirdByte = buf[i + 2];

	          if ((secondByte & 0xC0) === 0x80 && (thirdByte & 0xC0) === 0x80) {
	            tempCodePoint = (firstByte & 0xF) << 0xC | (secondByte & 0x3F) << 0x6 | thirdByte & 0x3F;

	            if (tempCodePoint > 0x7FF && (tempCodePoint < 0xD800 || tempCodePoint > 0xDFFF)) {
	              codePoint = tempCodePoint;
	            }
	          }

	          break;

	        case 4:
	          secondByte = buf[i + 1];
	          thirdByte = buf[i + 2];
	          fourthByte = buf[i + 3];

	          if ((secondByte & 0xC0) === 0x80 && (thirdByte & 0xC0) === 0x80 && (fourthByte & 0xC0) === 0x80) {
	            tempCodePoint = (firstByte & 0xF) << 0x12 | (secondByte & 0x3F) << 0xC | (thirdByte & 0x3F) << 0x6 | fourthByte & 0x3F;

	            if (tempCodePoint > 0xFFFF && tempCodePoint < 0x110000) {
	              codePoint = tempCodePoint;
	            }
	          }

	      }
	    }

	    if (codePoint === null) {
	      // we did not generate a valid codePoint so insert a
	      // replacement char (U+FFFD) and advance only 1 byte
	      codePoint = 0xFFFD;
	      bytesPerSequence = 1;
	    } else if (codePoint > 0xFFFF) {
	      // encode to utf16 (surrogate pair dance)
	      codePoint -= 0x10000;
	      res.push(codePoint >>> 10 & 0x3FF | 0xD800);
	      codePoint = 0xDC00 | codePoint & 0x3FF;
	    }

	    res.push(codePoint);
	    i += bytesPerSequence;
	  }

	  return decodeCodePointsArray(res);
	} // Based on http://stackoverflow.com/a/22747272/680742, the browser with
	// the lowest limit is Chrome, with 0x10000 args.
	// We go 1 magnitude less, for safety


	var MAX_ARGUMENTS_LENGTH = 0x1000;

	function decodeCodePointsArray(codePoints) {
	  var len = codePoints.length;

	  if (len <= MAX_ARGUMENTS_LENGTH) {
	    return String.fromCharCode.apply(String, codePoints); // avoid extra slice()
	  } // Decode in chunks to avoid "call stack size exceeded".


	  var res = '';
	  var i = 0;

	  while (i < len) {
	    res += String.fromCharCode.apply(String, codePoints.slice(i, i += MAX_ARGUMENTS_LENGTH));
	  }

	  return res;
	}

	function asciiSlice(buf, start, end) {
	  var ret = '';
	  end = Math.min(buf.length, end);

	  for (var i = start; i < end; ++i) {
	    ret += String.fromCharCode(buf[i] & 0x7F);
	  }

	  return ret;
	}

	function latin1Slice(buf, start, end) {
	  var ret = '';
	  end = Math.min(buf.length, end);

	  for (var i = start; i < end; ++i) {
	    ret += String.fromCharCode(buf[i]);
	  }

	  return ret;
	}

	function hexSlice(buf, start, end) {
	  var len = buf.length;
	  if (!start || start < 0) start = 0;
	  if (!end || end < 0 || end > len) end = len;
	  var out = '';

	  for (var i = start; i < end; ++i) {
	    out += toHex(buf[i]);
	  }

	  return out;
	}

	function utf16leSlice(buf, start, end) {
	  var bytes = buf.slice(start, end);
	  var res = '';

	  for (var i = 0; i < bytes.length; i += 2) {
	    res += String.fromCharCode(bytes[i] + bytes[i + 1] * 256);
	  }

	  return res;
	}

	Buffer.prototype.slice = function slice(start, end) {
	  var len = this.length;
	  start = ~~start;
	  end = end === undefined ? len : ~~end;

	  if (start < 0) {
	    start += len;
	    if (start < 0) start = 0;
	  } else if (start > len) {
	    start = len;
	  }

	  if (end < 0) {
	    end += len;
	    if (end < 0) end = 0;
	  } else if (end > len) {
	    end = len;
	  }

	  if (end < start) end = start;
	  var newBuf;

	  if (Buffer.TYPED_ARRAY_SUPPORT) {
	    newBuf = this.subarray(start, end);
	    newBuf.__proto__ = Buffer.prototype;
	  } else {
	    var sliceLen = end - start;
	    newBuf = new Buffer(sliceLen, undefined);

	    for (var i = 0; i < sliceLen; ++i) {
	      newBuf[i] = this[i + start];
	    }
	  }

	  return newBuf;
	};
	/*
	 * Need to make sure that buffer isn't trying to write out of bounds.
	 */


	function checkOffset(offset, ext, length) {
	  if (offset % 1 !== 0 || offset < 0) throw new RangeError('offset is not uint');
	  if (offset + ext > length) throw new RangeError('Trying to access beyond buffer length');
	}

	Buffer.prototype.readUIntLE = function readUIntLE(offset, byteLength, noAssert) {
	  offset = offset | 0;
	  byteLength = byteLength | 0;
	  if (!noAssert) checkOffset(offset, byteLength, this.length);
	  var val = this[offset];
	  var mul = 1;
	  var i = 0;

	  while (++i < byteLength && (mul *= 0x100)) {
	    val += this[offset + i] * mul;
	  }

	  return val;
	};

	Buffer.prototype.readUIntBE = function readUIntBE(offset, byteLength, noAssert) {
	  offset = offset | 0;
	  byteLength = byteLength | 0;

	  if (!noAssert) {
	    checkOffset(offset, byteLength, this.length);
	  }

	  var val = this[offset + --byteLength];
	  var mul = 1;

	  while (byteLength > 0 && (mul *= 0x100)) {
	    val += this[offset + --byteLength] * mul;
	  }

	  return val;
	};

	Buffer.prototype.readUInt8 = function readUInt8(offset, noAssert) {
	  if (!noAssert) checkOffset(offset, 1, this.length);
	  return this[offset];
	};

	Buffer.prototype.readUInt16LE = function readUInt16LE(offset, noAssert) {
	  if (!noAssert) checkOffset(offset, 2, this.length);
	  return this[offset] | this[offset + 1] << 8;
	};

	Buffer.prototype.readUInt16BE = function readUInt16BE(offset, noAssert) {
	  if (!noAssert) checkOffset(offset, 2, this.length);
	  return this[offset] << 8 | this[offset + 1];
	};

	Buffer.prototype.readUInt32LE = function readUInt32LE(offset, noAssert) {
	  if (!noAssert) checkOffset(offset, 4, this.length);
	  return (this[offset] | this[offset + 1] << 8 | this[offset + 2] << 16) + this[offset + 3] * 0x1000000;
	};

	Buffer.prototype.readUInt32BE = function readUInt32BE(offset, noAssert) {
	  if (!noAssert) checkOffset(offset, 4, this.length);
	  return this[offset] * 0x1000000 + (this[offset + 1] << 16 | this[offset + 2] << 8 | this[offset + 3]);
	};

	Buffer.prototype.readIntLE = function readIntLE(offset, byteLength, noAssert) {
	  offset = offset | 0;
	  byteLength = byteLength | 0;
	  if (!noAssert) checkOffset(offset, byteLength, this.length);
	  var val = this[offset];
	  var mul = 1;
	  var i = 0;

	  while (++i < byteLength && (mul *= 0x100)) {
	    val += this[offset + i] * mul;
	  }

	  mul *= 0x80;
	  if (val >= mul) val -= Math.pow(2, 8 * byteLength);
	  return val;
	};

	Buffer.prototype.readIntBE = function readIntBE(offset, byteLength, noAssert) {
	  offset = offset | 0;
	  byteLength = byteLength | 0;
	  if (!noAssert) checkOffset(offset, byteLength, this.length);
	  var i = byteLength;
	  var mul = 1;
	  var val = this[offset + --i];

	  while (i > 0 && (mul *= 0x100)) {
	    val += this[offset + --i] * mul;
	  }

	  mul *= 0x80;
	  if (val >= mul) val -= Math.pow(2, 8 * byteLength);
	  return val;
	};

	Buffer.prototype.readInt8 = function readInt8(offset, noAssert) {
	  if (!noAssert) checkOffset(offset, 1, this.length);
	  if (!(this[offset] & 0x80)) return this[offset];
	  return (0xff - this[offset] + 1) * -1;
	};

	Buffer.prototype.readInt16LE = function readInt16LE(offset, noAssert) {
	  if (!noAssert) checkOffset(offset, 2, this.length);
	  var val = this[offset] | this[offset + 1] << 8;
	  return val & 0x8000 ? val | 0xFFFF0000 : val;
	};

	Buffer.prototype.readInt16BE = function readInt16BE(offset, noAssert) {
	  if (!noAssert) checkOffset(offset, 2, this.length);
	  var val = this[offset + 1] | this[offset] << 8;
	  return val & 0x8000 ? val | 0xFFFF0000 : val;
	};

	Buffer.prototype.readInt32LE = function readInt32LE(offset, noAssert) {
	  if (!noAssert) checkOffset(offset, 4, this.length);
	  return this[offset] | this[offset + 1] << 8 | this[offset + 2] << 16 | this[offset + 3] << 24;
	};

	Buffer.prototype.readInt32BE = function readInt32BE(offset, noAssert) {
	  if (!noAssert) checkOffset(offset, 4, this.length);
	  return this[offset] << 24 | this[offset + 1] << 16 | this[offset + 2] << 8 | this[offset + 3];
	};

	Buffer.prototype.readFloatLE = function readFloatLE(offset, noAssert) {
	  if (!noAssert) checkOffset(offset, 4, this.length);
	  return read(this, offset, true, 23, 4);
	};

	Buffer.prototype.readFloatBE = function readFloatBE(offset, noAssert) {
	  if (!noAssert) checkOffset(offset, 4, this.length);
	  return read(this, offset, false, 23, 4);
	};

	Buffer.prototype.readDoubleLE = function readDoubleLE(offset, noAssert) {
	  if (!noAssert) checkOffset(offset, 8, this.length);
	  return read(this, offset, true, 52, 8);
	};

	Buffer.prototype.readDoubleBE = function readDoubleBE(offset, noAssert) {
	  if (!noAssert) checkOffset(offset, 8, this.length);
	  return read(this, offset, false, 52, 8);
	};

	function checkInt(buf, value, offset, ext, max, min) {
	  if (!internalIsBuffer(buf)) throw new TypeError('"buffer" argument must be a Buffer instance');
	  if (value > max || value < min) throw new RangeError('"value" argument is out of bounds');
	  if (offset + ext > buf.length) throw new RangeError('Index out of range');
	}

	Buffer.prototype.writeUIntLE = function writeUIntLE(value, offset, byteLength, noAssert) {
	  value = +value;
	  offset = offset | 0;
	  byteLength = byteLength | 0;

	  if (!noAssert) {
	    var maxBytes = Math.pow(2, 8 * byteLength) - 1;
	    checkInt(this, value, offset, byteLength, maxBytes, 0);
	  }

	  var mul = 1;
	  var i = 0;
	  this[offset] = value & 0xFF;

	  while (++i < byteLength && (mul *= 0x100)) {
	    this[offset + i] = value / mul & 0xFF;
	  }

	  return offset + byteLength;
	};

	Buffer.prototype.writeUIntBE = function writeUIntBE(value, offset, byteLength, noAssert) {
	  value = +value;
	  offset = offset | 0;
	  byteLength = byteLength | 0;

	  if (!noAssert) {
	    var maxBytes = Math.pow(2, 8 * byteLength) - 1;
	    checkInt(this, value, offset, byteLength, maxBytes, 0);
	  }

	  var i = byteLength - 1;
	  var mul = 1;
	  this[offset + i] = value & 0xFF;

	  while (--i >= 0 && (mul *= 0x100)) {
	    this[offset + i] = value / mul & 0xFF;
	  }

	  return offset + byteLength;
	};

	Buffer.prototype.writeUInt8 = function writeUInt8(value, offset, noAssert) {
	  value = +value;
	  offset = offset | 0;
	  if (!noAssert) checkInt(this, value, offset, 1, 0xff, 0);
	  if (!Buffer.TYPED_ARRAY_SUPPORT) value = Math.floor(value);
	  this[offset] = value & 0xff;
	  return offset + 1;
	};

	function objectWriteUInt16(buf, value, offset, littleEndian) {
	  if (value < 0) value = 0xffff + value + 1;

	  for (var i = 0, j = Math.min(buf.length - offset, 2); i < j; ++i) {
	    buf[offset + i] = (value & 0xff << 8 * (littleEndian ? i : 1 - i)) >>> (littleEndian ? i : 1 - i) * 8;
	  }
	}

	Buffer.prototype.writeUInt16LE = function writeUInt16LE(value, offset, noAssert) {
	  value = +value;
	  offset = offset | 0;
	  if (!noAssert) checkInt(this, value, offset, 2, 0xffff, 0);

	  if (Buffer.TYPED_ARRAY_SUPPORT) {
	    this[offset] = value & 0xff;
	    this[offset + 1] = value >>> 8;
	  } else {
	    objectWriteUInt16(this, value, offset, true);
	  }

	  return offset + 2;
	};

	Buffer.prototype.writeUInt16BE = function writeUInt16BE(value, offset, noAssert) {
	  value = +value;
	  offset = offset | 0;
	  if (!noAssert) checkInt(this, value, offset, 2, 0xffff, 0);

	  if (Buffer.TYPED_ARRAY_SUPPORT) {
	    this[offset] = value >>> 8;
	    this[offset + 1] = value & 0xff;
	  } else {
	    objectWriteUInt16(this, value, offset, false);
	  }

	  return offset + 2;
	};

	function objectWriteUInt32(buf, value, offset, littleEndian) {
	  if (value < 0) value = 0xffffffff + value + 1;

	  for (var i = 0, j = Math.min(buf.length - offset, 4); i < j; ++i) {
	    buf[offset + i] = value >>> (littleEndian ? i : 3 - i) * 8 & 0xff;
	  }
	}

	Buffer.prototype.writeUInt32LE = function writeUInt32LE(value, offset, noAssert) {
	  value = +value;
	  offset = offset | 0;
	  if (!noAssert) checkInt(this, value, offset, 4, 0xffffffff, 0);

	  if (Buffer.TYPED_ARRAY_SUPPORT) {
	    this[offset + 3] = value >>> 24;
	    this[offset + 2] = value >>> 16;
	    this[offset + 1] = value >>> 8;
	    this[offset] = value & 0xff;
	  } else {
	    objectWriteUInt32(this, value, offset, true);
	  }

	  return offset + 4;
	};

	Buffer.prototype.writeUInt32BE = function writeUInt32BE(value, offset, noAssert) {
	  value = +value;
	  offset = offset | 0;
	  if (!noAssert) checkInt(this, value, offset, 4, 0xffffffff, 0);

	  if (Buffer.TYPED_ARRAY_SUPPORT) {
	    this[offset] = value >>> 24;
	    this[offset + 1] = value >>> 16;
	    this[offset + 2] = value >>> 8;
	    this[offset + 3] = value & 0xff;
	  } else {
	    objectWriteUInt32(this, value, offset, false);
	  }

	  return offset + 4;
	};

	Buffer.prototype.writeIntLE = function writeIntLE(value, offset, byteLength, noAssert) {
	  value = +value;
	  offset = offset | 0;

	  if (!noAssert) {
	    var limit = Math.pow(2, 8 * byteLength - 1);
	    checkInt(this, value, offset, byteLength, limit - 1, -limit);
	  }

	  var i = 0;
	  var mul = 1;
	  var sub = 0;
	  this[offset] = value & 0xFF;

	  while (++i < byteLength && (mul *= 0x100)) {
	    if (value < 0 && sub === 0 && this[offset + i - 1] !== 0) {
	      sub = 1;
	    }

	    this[offset + i] = (value / mul >> 0) - sub & 0xFF;
	  }

	  return offset + byteLength;
	};

	Buffer.prototype.writeIntBE = function writeIntBE(value, offset, byteLength, noAssert) {
	  value = +value;
	  offset = offset | 0;

	  if (!noAssert) {
	    var limit = Math.pow(2, 8 * byteLength - 1);
	    checkInt(this, value, offset, byteLength, limit - 1, -limit);
	  }

	  var i = byteLength - 1;
	  var mul = 1;
	  var sub = 0;
	  this[offset + i] = value & 0xFF;

	  while (--i >= 0 && (mul *= 0x100)) {
	    if (value < 0 && sub === 0 && this[offset + i + 1] !== 0) {
	      sub = 1;
	    }

	    this[offset + i] = (value / mul >> 0) - sub & 0xFF;
	  }

	  return offset + byteLength;
	};

	Buffer.prototype.writeInt8 = function writeInt8(value, offset, noAssert) {
	  value = +value;
	  offset = offset | 0;
	  if (!noAssert) checkInt(this, value, offset, 1, 0x7f, -0x80);
	  if (!Buffer.TYPED_ARRAY_SUPPORT) value = Math.floor(value);
	  if (value < 0) value = 0xff + value + 1;
	  this[offset] = value & 0xff;
	  return offset + 1;
	};

	Buffer.prototype.writeInt16LE = function writeInt16LE(value, offset, noAssert) {
	  value = +value;
	  offset = offset | 0;
	  if (!noAssert) checkInt(this, value, offset, 2, 0x7fff, -0x8000);

	  if (Buffer.TYPED_ARRAY_SUPPORT) {
	    this[offset] = value & 0xff;
	    this[offset + 1] = value >>> 8;
	  } else {
	    objectWriteUInt16(this, value, offset, true);
	  }

	  return offset + 2;
	};

	Buffer.prototype.writeInt16BE = function writeInt16BE(value, offset, noAssert) {
	  value = +value;
	  offset = offset | 0;
	  if (!noAssert) checkInt(this, value, offset, 2, 0x7fff, -0x8000);

	  if (Buffer.TYPED_ARRAY_SUPPORT) {
	    this[offset] = value >>> 8;
	    this[offset + 1] = value & 0xff;
	  } else {
	    objectWriteUInt16(this, value, offset, false);
	  }

	  return offset + 2;
	};

	Buffer.prototype.writeInt32LE = function writeInt32LE(value, offset, noAssert) {
	  value = +value;
	  offset = offset | 0;
	  if (!noAssert) checkInt(this, value, offset, 4, 0x7fffffff, -0x80000000);

	  if (Buffer.TYPED_ARRAY_SUPPORT) {
	    this[offset] = value & 0xff;
	    this[offset + 1] = value >>> 8;
	    this[offset + 2] = value >>> 16;
	    this[offset + 3] = value >>> 24;
	  } else {
	    objectWriteUInt32(this, value, offset, true);
	  }

	  return offset + 4;
	};

	Buffer.prototype.writeInt32BE = function writeInt32BE(value, offset, noAssert) {
	  value = +value;
	  offset = offset | 0;
	  if (!noAssert) checkInt(this, value, offset, 4, 0x7fffffff, -0x80000000);
	  if (value < 0) value = 0xffffffff + value + 1;

	  if (Buffer.TYPED_ARRAY_SUPPORT) {
	    this[offset] = value >>> 24;
	    this[offset + 1] = value >>> 16;
	    this[offset + 2] = value >>> 8;
	    this[offset + 3] = value & 0xff;
	  } else {
	    objectWriteUInt32(this, value, offset, false);
	  }

	  return offset + 4;
	};

	function checkIEEE754(buf, value, offset, ext, max, min) {
	  if (offset + ext > buf.length) throw new RangeError('Index out of range');
	  if (offset < 0) throw new RangeError('Index out of range');
	}

	function writeFloat(buf, value, offset, littleEndian, noAssert) {
	  if (!noAssert) {
	    checkIEEE754(buf, value, offset, 4);
	  }

	  write(buf, value, offset, littleEndian, 23, 4);
	  return offset + 4;
	}

	Buffer.prototype.writeFloatLE = function writeFloatLE(value, offset, noAssert) {
	  return writeFloat(this, value, offset, true, noAssert);
	};

	Buffer.prototype.writeFloatBE = function writeFloatBE(value, offset, noAssert) {
	  return writeFloat(this, value, offset, false, noAssert);
	};

	function writeDouble(buf, value, offset, littleEndian, noAssert) {
	  if (!noAssert) {
	    checkIEEE754(buf, value, offset, 8);
	  }

	  write(buf, value, offset, littleEndian, 52, 8);
	  return offset + 8;
	}

	Buffer.prototype.writeDoubleLE = function writeDoubleLE(value, offset, noAssert) {
	  return writeDouble(this, value, offset, true, noAssert);
	};

	Buffer.prototype.writeDoubleBE = function writeDoubleBE(value, offset, noAssert) {
	  return writeDouble(this, value, offset, false, noAssert);
	}; // copy(targetBuffer, targetStart=0, sourceStart=0, sourceEnd=buffer.length)


	Buffer.prototype.copy = function copy(target, targetStart, start, end) {
	  if (!start) start = 0;
	  if (!end && end !== 0) end = this.length;
	  if (targetStart >= target.length) targetStart = target.length;
	  if (!targetStart) targetStart = 0;
	  if (end > 0 && end < start) end = start; // Copy 0 bytes; we're done

	  if (end === start) return 0;
	  if (target.length === 0 || this.length === 0) return 0; // Fatal error conditions

	  if (targetStart < 0) {
	    throw new RangeError('targetStart out of bounds');
	  }

	  if (start < 0 || start >= this.length) throw new RangeError('sourceStart out of bounds');
	  if (end < 0) throw new RangeError('sourceEnd out of bounds'); // Are we oob?

	  if (end > this.length) end = this.length;

	  if (target.length - targetStart < end - start) {
	    end = target.length - targetStart + start;
	  }

	  var len = end - start;
	  var i;

	  if (this === target && start < targetStart && targetStart < end) {
	    // descending copy from end
	    for (i = len - 1; i >= 0; --i) {
	      target[i + targetStart] = this[i + start];
	    }
	  } else if (len < 1000 || !Buffer.TYPED_ARRAY_SUPPORT) {
	    // ascending copy from start
	    for (i = 0; i < len; ++i) {
	      target[i + targetStart] = this[i + start];
	    }
	  } else {
	    Uint8Array.prototype.set.call(target, this.subarray(start, start + len), targetStart);
	  }

	  return len;
	}; // Usage:
	//    buffer.fill(number[, offset[, end]])
	//    buffer.fill(buffer[, offset[, end]])
	//    buffer.fill(string[, offset[, end]][, encoding])


	Buffer.prototype.fill = function fill(val, start, end, encoding) {
	  // Handle string cases:
	  if (typeof val === 'string') {
	    if (typeof start === 'string') {
	      encoding = start;
	      start = 0;
	      end = this.length;
	    } else if (typeof end === 'string') {
	      encoding = end;
	      end = this.length;
	    }

	    if (val.length === 1) {
	      var code = val.charCodeAt(0);

	      if (code < 256) {
	        val = code;
	      }
	    }

	    if (encoding !== undefined && typeof encoding !== 'string') {
	      throw new TypeError('encoding must be a string');
	    }

	    if (typeof encoding === 'string' && !Buffer.isEncoding(encoding)) {
	      throw new TypeError('Unknown encoding: ' + encoding);
	    }
	  } else if (typeof val === 'number') {
	    val = val & 255;
	  } // Invalid ranges are not set to a default, so can range check early.


	  if (start < 0 || this.length < start || this.length < end) {
	    throw new RangeError('Out of range index');
	  }

	  if (end <= start) {
	    return this;
	  }

	  start = start >>> 0;
	  end = end === undefined ? this.length : end >>> 0;
	  if (!val) val = 0;
	  var i;

	  if (typeof val === 'number') {
	    for (i = start; i < end; ++i) {
	      this[i] = val;
	    }
	  } else {
	    var bytes = internalIsBuffer(val) ? val : utf8ToBytes(new Buffer(val, encoding).toString());
	    var len = bytes.length;

	    for (i = 0; i < end - start; ++i) {
	      this[i + start] = bytes[i % len];
	    }
	  }

	  return this;
	}; // HELPER FUNCTIONS
	// ================


	var INVALID_BASE64_RE = /[^+\/0-9A-Za-z-_]/g;

	function base64clean(str) {
	  // Node strips out invalid characters like \n and \t from the string, base64-js does not
	  str = stringtrim(str).replace(INVALID_BASE64_RE, ''); // Node converts strings with length < 2 to ''

	  if (str.length < 2) return ''; // Node allows for non-padded base64 strings (missing trailing ===), base64-js does not

	  while (str.length % 4 !== 0) {
	    str = str + '=';
	  }

	  return str;
	}

	function stringtrim(str) {
	  if (str.trim) return str.trim();
	  return str.replace(/^\s+|\s+$/g, '');
	}

	function toHex(n) {
	  if (n < 16) return '0' + n.toString(16);
	  return n.toString(16);
	}

	function utf8ToBytes(string, units) {
	  units = units || Infinity;
	  var codePoint;
	  var length = string.length;
	  var leadSurrogate = null;
	  var bytes = [];

	  for (var i = 0; i < length; ++i) {
	    codePoint = string.charCodeAt(i); // is surrogate component

	    if (codePoint > 0xD7FF && codePoint < 0xE000) {
	      // last char was a lead
	      if (!leadSurrogate) {
	        // no lead yet
	        if (codePoint > 0xDBFF) {
	          // unexpected trail
	          if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD);
	          continue;
	        } else if (i + 1 === length) {
	          // unpaired lead
	          if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD);
	          continue;
	        } // valid lead


	        leadSurrogate = codePoint;
	        continue;
	      } // 2 leads in a row


	      if (codePoint < 0xDC00) {
	        if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD);
	        leadSurrogate = codePoint;
	        continue;
	      } // valid surrogate pair


	      codePoint = (leadSurrogate - 0xD800 << 10 | codePoint - 0xDC00) + 0x10000;
	    } else if (leadSurrogate) {
	      // valid bmp char, but last char was a lead
	      if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD);
	    }

	    leadSurrogate = null; // encode utf8

	    if (codePoint < 0x80) {
	      if ((units -= 1) < 0) break;
	      bytes.push(codePoint);
	    } else if (codePoint < 0x800) {
	      if ((units -= 2) < 0) break;
	      bytes.push(codePoint >> 0x6 | 0xC0, codePoint & 0x3F | 0x80);
	    } else if (codePoint < 0x10000) {
	      if ((units -= 3) < 0) break;
	      bytes.push(codePoint >> 0xC | 0xE0, codePoint >> 0x6 & 0x3F | 0x80, codePoint & 0x3F | 0x80);
	    } else if (codePoint < 0x110000) {
	      if ((units -= 4) < 0) break;
	      bytes.push(codePoint >> 0x12 | 0xF0, codePoint >> 0xC & 0x3F | 0x80, codePoint >> 0x6 & 0x3F | 0x80, codePoint & 0x3F | 0x80);
	    } else {
	      throw new Error('Invalid code point');
	    }
	  }

	  return bytes;
	}

	function asciiToBytes(str) {
	  var byteArray = [];

	  for (var i = 0; i < str.length; ++i) {
	    // Node's code seems to be doing this and not & 0x7F..
	    byteArray.push(str.charCodeAt(i) & 0xFF);
	  }

	  return byteArray;
	}

	function utf16leToBytes(str, units) {
	  var c, hi, lo;
	  var byteArray = [];

	  for (var i = 0; i < str.length; ++i) {
	    if ((units -= 2) < 0) break;
	    c = str.charCodeAt(i);
	    hi = c >> 8;
	    lo = c % 256;
	    byteArray.push(lo);
	    byteArray.push(hi);
	  }

	  return byteArray;
	}

	function base64ToBytes(str) {
	  return toByteArray(base64clean(str));
	}

	function blitBuffer(src, dst, offset, length) {
	  for (var i = 0; i < length; ++i) {
	    if (i + offset >= dst.length || i >= src.length) break;
	    dst[i + offset] = src[i];
	  }

	  return i;
	}

	function isnan(val) {
	  return val !== val; // eslint-disable-line no-self-compare
	} // the following is from is-buffer, also by Feross Aboukhadijeh and with same lisence
	// The _isBuffer check is for Safari 5-7 support, because it's missing
	// Object.prototype.constructor. Remove this eventually


	function isBuffer(obj) {
	  return obj != null && (!!obj._isBuffer || isFastBuffer(obj) || isSlowBuffer(obj));
	}

	function isFastBuffer(obj) {
	  return !!obj.constructor && typeof obj.constructor.isBuffer === 'function' && obj.constructor.isBuffer(obj);
	} // For Node v0.10 support. Remove this eventually.


	function isSlowBuffer(obj) {
	  return typeof obj.readFloatLE === 'function' && typeof obj.slice === 'function' && isFastBuffer(obj.slice(0, 0));
	}

	// based off https://github.com/defunctzombie/node-process/blob/master/browser.js

	function defaultSetTimout$1() {
	  throw new Error('setTimeout has not been defined');
	}

	function defaultClearTimeout$1() {
	  throw new Error('clearTimeout has not been defined');
	}

	var cachedSetTimeout$1 = defaultSetTimout$1;
	var cachedClearTimeout$1 = defaultClearTimeout$1;

	if (typeof global$2.setTimeout === 'function') {
	  cachedSetTimeout$1 = setTimeout;
	}

	if (typeof global$2.clearTimeout === 'function') {
	  cachedClearTimeout$1 = clearTimeout;
	}

	function runTimeout$1(fun) {
	  if (cachedSetTimeout$1 === setTimeout) {
	    //normal enviroments in sane situations
	    return setTimeout(fun, 0);
	  } // if setTimeout wasn't available but was latter defined


	  if ((cachedSetTimeout$1 === defaultSetTimout$1 || !cachedSetTimeout$1) && setTimeout) {
	    cachedSetTimeout$1 = setTimeout;
	    return setTimeout(fun, 0);
	  }

	  try {
	    // when when somebody has screwed with setTimeout but no I.E. maddness
	    return cachedSetTimeout$1(fun, 0);
	  } catch (e) {
	    try {
	      // When we are in I.E. but the script has been evaled so I.E. doesn't trust the global object when called normally
	      return cachedSetTimeout$1.call(null, fun, 0);
	    } catch (e) {
	      // same as above but when it's a version of I.E. that must have the global object for 'this', hopfully our context correct otherwise it will throw a global error
	      return cachedSetTimeout$1.call(this, fun, 0);
	    }
	  }
	}

	function runClearTimeout$1(marker) {
	  if (cachedClearTimeout$1 === clearTimeout) {
	    //normal enviroments in sane situations
	    return clearTimeout(marker);
	  } // if clearTimeout wasn't available but was latter defined


	  if ((cachedClearTimeout$1 === defaultClearTimeout$1 || !cachedClearTimeout$1) && clearTimeout) {
	    cachedClearTimeout$1 = clearTimeout;
	    return clearTimeout(marker);
	  }

	  try {
	    // when when somebody has screwed with setTimeout but no I.E. maddness
	    return cachedClearTimeout$1(marker);
	  } catch (e) {
	    try {
	      // When we are in I.E. but the script has been evaled so I.E. doesn't  trust the global object when called normally
	      return cachedClearTimeout$1.call(null, marker);
	    } catch (e) {
	      // same as above but when it's a version of I.E. that must have the global object for 'this', hopfully our context correct otherwise it will throw a global error.
	      // Some versions of I.E. have different rules for clearTimeout vs setTimeout
	      return cachedClearTimeout$1.call(this, marker);
	    }
	  }
	}

	var queue$1 = [];
	var draining$1 = false;
	var currentQueue$1;
	var queueIndex$1 = -1;

	function cleanUpNextTick$1() {
	  if (!draining$1 || !currentQueue$1) {
	    return;
	  }

	  draining$1 = false;

	  if (currentQueue$1.length) {
	    queue$1 = currentQueue$1.concat(queue$1);
	  } else {
	    queueIndex$1 = -1;
	  }

	  if (queue$1.length) {
	    drainQueue$1();
	  }
	}

	function drainQueue$1() {
	  if (draining$1) {
	    return;
	  }

	  var timeout = runTimeout$1(cleanUpNextTick$1);
	  draining$1 = true;
	  var len = queue$1.length;

	  while (len) {
	    currentQueue$1 = queue$1;
	    queue$1 = [];

	    while (++queueIndex$1 < len) {
	      if (currentQueue$1) {
	        currentQueue$1[queueIndex$1].run();
	      }
	    }

	    queueIndex$1 = -1;
	    len = queue$1.length;
	  }

	  currentQueue$1 = null;
	  draining$1 = false;
	  runClearTimeout$1(timeout);
	}

	function nextTick$1(fun) {
	  var args = new Array(arguments.length - 1);

	  if (arguments.length > 1) {
	    for (var i = 1; i < arguments.length; i++) {
	      args[i - 1] = arguments[i];
	    }
	  }

	  queue$1.push(new Item$1(fun, args));

	  if (queue$1.length === 1 && !draining$1) {
	    runTimeout$1(drainQueue$1);
	  }
	} // v8 likes predictible objects


	function Item$1(fun, array) {
	  this.fun = fun;
	  this.array = array;
	}

	Item$1.prototype.run = function () {
	  this.fun.apply(null, this.array);
	};


	var performance$1 = global$2.performance || {};

	var performanceNow$1 = performance$1.now || performance$1.mozNow || performance$1.msNow || performance$1.oNow || performance$1.webkitNow || function () {
	  return new Date().getTime();
	}; // generate timestamp or delta

	var inherits;

	if (typeof Object.create === 'function') {
	  inherits = function inherits(ctor, superCtor) {
	    // implementation from standard node.js 'util' module
	    ctor.super_ = superCtor;
	    ctor.prototype = Object.create(superCtor.prototype, {
	      constructor: {
	        value: ctor,
	        enumerable: false,
	        writable: true,
	        configurable: true
	      }
	    });
	  };
	} else {
	  inherits = function inherits(ctor, superCtor) {
	    ctor.super_ = superCtor;

	    var TempCtor = function TempCtor() {};

	    TempCtor.prototype = superCtor.prototype;
	    ctor.prototype = new TempCtor();
	    ctor.prototype.constructor = ctor;
	  };
	}

	var inherits$1 = inherits;

	var formatRegExp = /%[sdj%]/g;
	function format(f) {
	  if (!isString(f)) {
	    var objects = [];

	    for (var i = 0; i < arguments.length; i++) {
	      objects.push(inspect(arguments[i]));
	    }

	    return objects.join(' ');
	  }

	  var i = 1;
	  var args = arguments;
	  var len = args.length;
	  var str = String(f).replace(formatRegExp, function (x) {
	    if (x === '%%') return '%';
	    if (i >= len) return x;

	    switch (x) {
	      case '%s':
	        return String(args[i++]);

	      case '%d':
	        return Number(args[i++]);

	      case '%j':
	        try {
	          return JSON.stringify(args[i++]);
	        } catch (_) {
	          return '[Circular]';
	        }

	      default:
	        return x;
	    }
	  });

	  for (var x = args[i]; i < len; x = args[++i]) {
	    if (isNull(x) || !isObject$1(x)) {
	      str += ' ' + x;
	    } else {
	      str += ' ' + inspect(x);
	    }
	  }

	  return str;
	}
	// Returns a modified function which warns once by default.
	// If --no-deprecation is set, then it is a no-op.

	function deprecate(fn, msg) {
	  // Allow for deprecating things in the process of starting up.
	  if (isUndefined(global$2.process)) {
	    return function () {
	      return deprecate(fn, msg).apply(this, arguments);
	    };
	  }

	  var warned = false;

	  function deprecated() {
	    if (!warned) {
	      {
	        console.error(msg);
	      }

	      warned = true;
	    }

	    return fn.apply(this, arguments);
	  }

	  return deprecated;
	}
	var debugs = {};
	var debugEnviron;
	function debuglog(set) {
	  if (isUndefined(debugEnviron)) debugEnviron =  '';
	  set = set.toUpperCase();

	  if (!debugs[set]) {
	    if (new RegExp('\\b' + set + '\\b', 'i').test(debugEnviron)) {
	      var pid = 0;

	      debugs[set] = function () {
	        var msg = format.apply(null, arguments);
	        console.error('%s %d: %s', set, pid, msg);
	      };
	    } else {
	      debugs[set] = function () {};
	    }
	  }

	  return debugs[set];
	}
	/**
	 * Echos the value of a value. Trys to print the value out
	 * in the best way possible given the different types.
	 *
	 * @param {Object} obj The object to print out.
	 * @param {Object} opts Optional options object that alters the output.
	 */

	/* legacy: obj, showHidden, depth, colors*/

	function inspect(obj, opts) {
	  // default options
	  var ctx = {
	    seen: [],
	    stylize: stylizeNoColor
	  }; // legacy...

	  if (arguments.length >= 3) ctx.depth = arguments[2];
	  if (arguments.length >= 4) ctx.colors = arguments[3];

	  if (isBoolean(opts)) {
	    // legacy...
	    ctx.showHidden = opts;
	  } else if (opts) {
	    // got an "options" object
	    _extend(ctx, opts);
	  } // set default options


	  if (isUndefined(ctx.showHidden)) ctx.showHidden = false;
	  if (isUndefined(ctx.depth)) ctx.depth = 2;
	  if (isUndefined(ctx.colors)) ctx.colors = false;
	  if (isUndefined(ctx.customInspect)) ctx.customInspect = true;
	  if (ctx.colors) ctx.stylize = stylizeWithColor;
	  return formatValue(ctx, obj, ctx.depth);
	} // http://en.wikipedia.org/wiki/ANSI_escape_code#graphics

	inspect.colors = {
	  'bold': [1, 22],
	  'italic': [3, 23],
	  'underline': [4, 24],
	  'inverse': [7, 27],
	  'white': [37, 39],
	  'grey': [90, 39],
	  'black': [30, 39],
	  'blue': [34, 39],
	  'cyan': [36, 39],
	  'green': [32, 39],
	  'magenta': [35, 39],
	  'red': [31, 39],
	  'yellow': [33, 39]
	}; // Don't use 'blue' not visible on cmd.exe

	inspect.styles = {
	  'special': 'cyan',
	  'number': 'yellow',
	  'boolean': 'yellow',
	  'undefined': 'grey',
	  'null': 'bold',
	  'string': 'green',
	  'date': 'magenta',
	  // "name": intentionally not styling
	  'regexp': 'red'
	};

	function stylizeWithColor(str, styleType) {
	  var style = inspect.styles[styleType];

	  if (style) {
	    return "\x1B[" + inspect.colors[style][0] + 'm' + str + "\x1B[" + inspect.colors[style][1] + 'm';
	  } else {
	    return str;
	  }
	}

	function stylizeNoColor(str, styleType) {
	  return str;
	}

	function arrayToHash(array) {
	  var hash = {};
	  array.forEach(function (val, idx) {
	    hash[val] = true;
	  });
	  return hash;
	}

	function formatValue(ctx, value, recurseTimes) {
	  // Provide a hook for user-specified inspect functions.
	  // Check that value is an object with an inspect function on it
	  if (ctx.customInspect && value && isFunction(value.inspect) && // Filter out the util module, it's inspect function is special
	  value.inspect !== inspect && // Also filter out any prototype objects using the circular check.
	  !(value.constructor && value.constructor.prototype === value)) {
	    var ret = value.inspect(recurseTimes, ctx);

	    if (!isString(ret)) {
	      ret = formatValue(ctx, ret, recurseTimes);
	    }

	    return ret;
	  } // Primitive types cannot have properties


	  var primitive = formatPrimitive(ctx, value);

	  if (primitive) {
	    return primitive;
	  } // Look up the keys of the object.


	  var keys = Object.keys(value);
	  var visibleKeys = arrayToHash(keys);

	  if (ctx.showHidden) {
	    keys = Object.getOwnPropertyNames(value);
	  } // IE doesn't make error fields non-enumerable
	  // http://msdn.microsoft.com/en-us/library/ie/dww52sbt(v=vs.94).aspx


	  if (isError(value) && (keys.indexOf('message') >= 0 || keys.indexOf('description') >= 0)) {
	    return formatError(value);
	  } // Some type of object without properties can be shortcutted.


	  if (keys.length === 0) {
	    if (isFunction(value)) {
	      var name = value.name ? ': ' + value.name : '';
	      return ctx.stylize('[Function' + name + ']', 'special');
	    }

	    if (isRegExp(value)) {
	      return ctx.stylize(RegExp.prototype.toString.call(value), 'regexp');
	    }

	    if (isDate(value)) {
	      return ctx.stylize(Date.prototype.toString.call(value), 'date');
	    }

	    if (isError(value)) {
	      return formatError(value);
	    }
	  }

	  var base = '',
	      array = false,
	      braces = ['{', '}']; // Make Array say that they are Array

	  if (isArray$2(value)) {
	    array = true;
	    braces = ['[', ']'];
	  } // Make functions say that they are functions


	  if (isFunction(value)) {
	    var n = value.name ? ': ' + value.name : '';
	    base = ' [Function' + n + ']';
	  } // Make RegExps say that they are RegExps


	  if (isRegExp(value)) {
	    base = ' ' + RegExp.prototype.toString.call(value);
	  } // Make dates with properties first say the date


	  if (isDate(value)) {
	    base = ' ' + Date.prototype.toUTCString.call(value);
	  } // Make error with message first say the error


	  if (isError(value)) {
	    base = ' ' + formatError(value);
	  }

	  if (keys.length === 0 && (!array || value.length == 0)) {
	    return braces[0] + base + braces[1];
	  }

	  if (recurseTimes < 0) {
	    if (isRegExp(value)) {
	      return ctx.stylize(RegExp.prototype.toString.call(value), 'regexp');
	    } else {
	      return ctx.stylize('[Object]', 'special');
	    }
	  }

	  ctx.seen.push(value);
	  var output;

	  if (array) {
	    output = formatArray(ctx, value, recurseTimes, visibleKeys, keys);
	  } else {
	    output = keys.map(function (key) {
	      return formatProperty(ctx, value, recurseTimes, visibleKeys, key, array);
	    });
	  }

	  ctx.seen.pop();
	  return reduceToSingleString(output, base, braces);
	}

	function formatPrimitive(ctx, value) {
	  if (isUndefined(value)) return ctx.stylize('undefined', 'undefined');

	  if (isString(value)) {
	    var simple = '\'' + JSON.stringify(value).replace(/^"|"$/g, '').replace(/'/g, "\\'").replace(/\\"/g, '"') + '\'';
	    return ctx.stylize(simple, 'string');
	  }

	  if (isNumber(value)) return ctx.stylize('' + value, 'number');
	  if (isBoolean(value)) return ctx.stylize('' + value, 'boolean'); // For some reason typeof null is "object", so special case here.

	  if (isNull(value)) return ctx.stylize('null', 'null');
	}

	function formatError(value) {
	  return '[' + Error.prototype.toString.call(value) + ']';
	}

	function formatArray(ctx, value, recurseTimes, visibleKeys, keys) {
	  var output = [];

	  for (var i = 0, l = value.length; i < l; ++i) {
	    if (hasOwnProperty$1(value, String(i))) {
	      output.push(formatProperty(ctx, value, recurseTimes, visibleKeys, String(i), true));
	    } else {
	      output.push('');
	    }
	  }

	  keys.forEach(function (key) {
	    if (!key.match(/^\d+$/)) {
	      output.push(formatProperty(ctx, value, recurseTimes, visibleKeys, key, true));
	    }
	  });
	  return output;
	}

	function formatProperty(ctx, value, recurseTimes, visibleKeys, key, array) {
	  var name, str, desc;
	  desc = Object.getOwnPropertyDescriptor(value, key) || {
	    value: value[key]
	  };

	  if (desc.get) {
	    if (desc.set) {
	      str = ctx.stylize('[Getter/Setter]', 'special');
	    } else {
	      str = ctx.stylize('[Getter]', 'special');
	    }
	  } else {
	    if (desc.set) {
	      str = ctx.stylize('[Setter]', 'special');
	    }
	  }

	  if (!hasOwnProperty$1(visibleKeys, key)) {
	    name = '[' + key + ']';
	  }

	  if (!str) {
	    if (ctx.seen.indexOf(desc.value) < 0) {
	      if (isNull(recurseTimes)) {
	        str = formatValue(ctx, desc.value, null);
	      } else {
	        str = formatValue(ctx, desc.value, recurseTimes - 1);
	      }

	      if (str.indexOf('\n') > -1) {
	        if (array) {
	          str = str.split('\n').map(function (line) {
	            return '  ' + line;
	          }).join('\n').substr(2);
	        } else {
	          str = '\n' + str.split('\n').map(function (line) {
	            return '   ' + line;
	          }).join('\n');
	        }
	      }
	    } else {
	      str = ctx.stylize('[Circular]', 'special');
	    }
	  }

	  if (isUndefined(name)) {
	    if (array && key.match(/^\d+$/)) {
	      return str;
	    }

	    name = JSON.stringify('' + key);

	    if (name.match(/^"([a-zA-Z_][a-zA-Z_0-9]*)"$/)) {
	      name = name.substr(1, name.length - 2);
	      name = ctx.stylize(name, 'name');
	    } else {
	      name = name.replace(/'/g, "\\'").replace(/\\"/g, '"').replace(/(^"|"$)/g, "'");
	      name = ctx.stylize(name, 'string');
	    }
	  }

	  return name + ': ' + str;
	}

	function reduceToSingleString(output, base, braces) {
	  var length = output.reduce(function (prev, cur) {
	    if (cur.indexOf('\n') >= 0) ;
	    return prev + cur.replace(/\u001b\[\d\d?m/g, '').length + 1;
	  }, 0);

	  if (length > 60) {
	    return braces[0] + (base === '' ? '' : base + '\n ') + ' ' + output.join(',\n  ') + ' ' + braces[1];
	  }

	  return braces[0] + base + ' ' + output.join(', ') + ' ' + braces[1];
	} // NOTE: These type checking functions intentionally don't use `instanceof`
	// because it is fragile and can be easily faked with `Object.create()`.


	function isArray$2(ar) {
	  return Array.isArray(ar);
	}
	function isBoolean(arg) {
	  return typeof arg === 'boolean';
	}
	function isNull(arg) {
	  return arg === null;
	}
	function isNullOrUndefined(arg) {
	  return arg == null;
	}
	function isNumber(arg) {
	  return typeof arg === 'number';
	}
	function isString(arg) {
	  return typeof arg === 'string';
	}
	function isSymbol$1(arg) {
	  return _typeof(arg) === 'symbol';
	}
	function isUndefined(arg) {
	  return arg === void 0;
	}
	function isRegExp(re) {
	  return isObject$1(re) && objectToString$1(re) === '[object RegExp]';
	}
	function isObject$1(arg) {
	  return _typeof(arg) === 'object' && arg !== null;
	}
	function isDate(d) {
	  return isObject$1(d) && objectToString$1(d) === '[object Date]';
	}
	function isError(e) {
	  return isObject$1(e) && (objectToString$1(e) === '[object Error]' || e instanceof Error);
	}
	function isFunction(arg) {
	  return typeof arg === 'function';
	}
	function isPrimitive(arg) {
	  return arg === null || typeof arg === 'boolean' || typeof arg === 'number' || typeof arg === 'string' || _typeof(arg) === 'symbol' || // ES6 symbol
	  typeof arg === 'undefined';
	}
	function isBuffer$1(maybeBuf) {
	  return isBuffer(maybeBuf);
	}

	function objectToString$1(o) {
	  return Object.prototype.toString.call(o);
	}

	function pad(n) {
	  return n < 10 ? '0' + n.toString(10) : n.toString(10);
	}

	var months = ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec']; // 26 Feb 16:19:34

	function timestamp() {
	  var d = new Date();
	  var time = [pad(d.getHours()), pad(d.getMinutes()), pad(d.getSeconds())].join(':');
	  return [d.getDate(), months[d.getMonth()], time].join(' ');
	} // log is just a thin wrapper to console.log that prepends a timestamp


	function log$1() {
	  console.log('%s - %s', timestamp(), format.apply(null, arguments));
	}
	function _extend(origin, add) {
	  // Don't do anything if add isn't an object
	  if (!add || !isObject$1(add)) return origin;
	  var keys = Object.keys(add);
	  var i = keys.length;

	  while (i--) {
	    origin[keys[i]] = add[keys[i]];
	  }

	  return origin;
	}

	function hasOwnProperty$1(obj, prop) {
	  return Object.prototype.hasOwnProperty.call(obj, prop);
	}

	var util = {
	  inherits: inherits$1,
	  _extend: _extend,
	  log: log$1,
	  isBuffer: isBuffer$1,
	  isPrimitive: isPrimitive,
	  isFunction: isFunction,
	  isError: isError,
	  isDate: isDate,
	  isObject: isObject$1,
	  isRegExp: isRegExp,
	  isUndefined: isUndefined,
	  isSymbol: isSymbol$1,
	  isString: isString,
	  isNumber: isNumber,
	  isNullOrUndefined: isNullOrUndefined,
	  isNull: isNull,
	  isBoolean: isBoolean,
	  isArray: isArray$2,
	  inspect: inspect,
	  deprecate: deprecate,
	  format: format,
	  debuglog: debuglog
	};

	var lookup$1 = [];
	var revLookup$1 = [];
	var Arr$1 = typeof Uint8Array !== 'undefined' ? Uint8Array : Array;
	var inited$1 = false;

	function init$1() {
	  inited$1 = true;
	  var code = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/';

	  for (var i = 0, len = code.length; i < len; ++i) {
	    lookup$1[i] = code[i];
	    revLookup$1[code.charCodeAt(i)] = i;
	  }

	  revLookup$1['-'.charCodeAt(0)] = 62;
	  revLookup$1['_'.charCodeAt(0)] = 63;
	}

	function toByteArray$1(b64) {
	  if (!inited$1) {
	    init$1();
	  }

	  var i, j, l, tmp, placeHolders, arr;
	  var len = b64.length;

	  if (len % 4 > 0) {
	    throw new Error('Invalid string. Length must be a multiple of 4');
	  } // the number of equal signs (place holders)
	  // if there are two placeholders, than the two characters before it
	  // represent one byte
	  // if there is only one, then the three characters before it represent 2 bytes
	  // this is just a cheap hack to not do indexOf twice


	  placeHolders = b64[len - 2] === '=' ? 2 : b64[len - 1] === '=' ? 1 : 0; // base64 is 4/3 + up to two characters of the original data

	  arr = new Arr$1(len * 3 / 4 - placeHolders); // if there are placeholders, only get up to the last complete 4 chars

	  l = placeHolders > 0 ? len - 4 : len;
	  var L = 0;

	  for (i = 0, j = 0; i < l; i += 4, j += 3) {
	    tmp = revLookup$1[b64.charCodeAt(i)] << 18 | revLookup$1[b64.charCodeAt(i + 1)] << 12 | revLookup$1[b64.charCodeAt(i + 2)] << 6 | revLookup$1[b64.charCodeAt(i + 3)];
	    arr[L++] = tmp >> 16 & 0xFF;
	    arr[L++] = tmp >> 8 & 0xFF;
	    arr[L++] = tmp & 0xFF;
	  }

	  if (placeHolders === 2) {
	    tmp = revLookup$1[b64.charCodeAt(i)] << 2 | revLookup$1[b64.charCodeAt(i + 1)] >> 4;
	    arr[L++] = tmp & 0xFF;
	  } else if (placeHolders === 1) {
	    tmp = revLookup$1[b64.charCodeAt(i)] << 10 | revLookup$1[b64.charCodeAt(i + 1)] << 4 | revLookup$1[b64.charCodeAt(i + 2)] >> 2;
	    arr[L++] = tmp >> 8 & 0xFF;
	    arr[L++] = tmp & 0xFF;
	  }

	  return arr;
	}

	function tripletToBase64$1(num) {
	  return lookup$1[num >> 18 & 0x3F] + lookup$1[num >> 12 & 0x3F] + lookup$1[num >> 6 & 0x3F] + lookup$1[num & 0x3F];
	}

	function encodeChunk$1(uint8, start, end) {
	  var tmp;
	  var output = [];

	  for (var i = start; i < end; i += 3) {
	    tmp = (uint8[i] << 16) + (uint8[i + 1] << 8) + uint8[i + 2];
	    output.push(tripletToBase64$1(tmp));
	  }

	  return output.join('');
	}

	function fromByteArray$1(uint8) {
	  if (!inited$1) {
	    init$1();
	  }

	  var tmp;
	  var len = uint8.length;
	  var extraBytes = len % 3; // if we have 1 byte left, pad 2 bytes

	  var output = '';
	  var parts = [];
	  var maxChunkLength = 16383; // must be multiple of 3
	  // go through the array every three bytes, we'll deal with trailing stuff later

	  for (var i = 0, len2 = len - extraBytes; i < len2; i += maxChunkLength) {
	    parts.push(encodeChunk$1(uint8, i, i + maxChunkLength > len2 ? len2 : i + maxChunkLength));
	  } // pad the end with zeros, but make sure to not forget the extra bytes


	  if (extraBytes === 1) {
	    tmp = uint8[len - 1];
	    output += lookup$1[tmp >> 2];
	    output += lookup$1[tmp << 4 & 0x3F];
	    output += '==';
	  } else if (extraBytes === 2) {
	    tmp = (uint8[len - 2] << 8) + uint8[len - 1];
	    output += lookup$1[tmp >> 10];
	    output += lookup$1[tmp >> 4 & 0x3F];
	    output += lookup$1[tmp << 2 & 0x3F];
	    output += '=';
	  }

	  parts.push(output);
	  return parts.join('');
	}

	function read$1(buffer, offset, isLE, mLen, nBytes) {
	  var e, m;
	  var eLen = nBytes * 8 - mLen - 1;
	  var eMax = (1 << eLen) - 1;
	  var eBias = eMax >> 1;
	  var nBits = -7;
	  var i = isLE ? nBytes - 1 : 0;
	  var d = isLE ? -1 : 1;
	  var s = buffer[offset + i];
	  i += d;
	  e = s & (1 << -nBits) - 1;
	  s >>= -nBits;
	  nBits += eLen;

	  for (; nBits > 0; e = e * 256 + buffer[offset + i], i += d, nBits -= 8) {}

	  m = e & (1 << -nBits) - 1;
	  e >>= -nBits;
	  nBits += mLen;

	  for (; nBits > 0; m = m * 256 + buffer[offset + i], i += d, nBits -= 8) {}

	  if (e === 0) {
	    e = 1 - eBias;
	  } else if (e === eMax) {
	    return m ? NaN : (s ? -1 : 1) * Infinity;
	  } else {
	    m = m + Math.pow(2, mLen);
	    e = e - eBias;
	  }

	  return (s ? -1 : 1) * m * Math.pow(2, e - mLen);
	}

	function write$1(buffer, value, offset, isLE, mLen, nBytes) {
	  var e, m, c;
	  var eLen = nBytes * 8 - mLen - 1;
	  var eMax = (1 << eLen) - 1;
	  var eBias = eMax >> 1;
	  var rt = mLen === 23 ? Math.pow(2, -24) - Math.pow(2, -77) : 0;
	  var i = isLE ? 0 : nBytes - 1;
	  var d = isLE ? 1 : -1;
	  var s = value < 0 || value === 0 && 1 / value < 0 ? 1 : 0;
	  value = Math.abs(value);

	  if (isNaN(value) || value === Infinity) {
	    m = isNaN(value) ? 1 : 0;
	    e = eMax;
	  } else {
	    e = Math.floor(Math.log(value) / Math.LN2);

	    if (value * (c = Math.pow(2, -e)) < 1) {
	      e--;
	      c *= 2;
	    }

	    if (e + eBias >= 1) {
	      value += rt / c;
	    } else {
	      value += rt * Math.pow(2, 1 - eBias);
	    }

	    if (value * c >= 2) {
	      e++;
	      c /= 2;
	    }

	    if (e + eBias >= eMax) {
	      m = 0;
	      e = eMax;
	    } else if (e + eBias >= 1) {
	      m = (value * c - 1) * Math.pow(2, mLen);
	      e = e + eBias;
	    } else {
	      m = value * Math.pow(2, eBias - 1) * Math.pow(2, mLen);
	      e = 0;
	    }
	  }

	  for (; mLen >= 8; buffer[offset + i] = m & 0xff, i += d, m /= 256, mLen -= 8) {}

	  e = e << mLen | m;
	  eLen += mLen;

	  for (; eLen > 0; buffer[offset + i] = e & 0xff, i += d, e /= 256, eLen -= 8) {}

	  buffer[offset + i - d] |= s * 128;
	}

	var toString$3 = {}.toString;

	var isArray$3 = Array.isArray || function (arr) {
	  return toString$3.call(arr) == '[object Array]';
	};
	/*!
	 * The buffer module from node.js, for the browser.
	 *
	 * @author   Feross Aboukhadijeh <feross@feross.org> <http://feross.org>
	 * @license  MIT
	 */


	var INSPECT_MAX_BYTES$1 = 50;
	/**
	 * If `Buffer.TYPED_ARRAY_SUPPORT`:
	 *   === true    Use Uint8Array implementation (fastest)
	 *   === false   Use Object implementation (most compatible, even IE6)
	 *
	 * Browsers that support typed arrays are IE 10+, Firefox 4+, Chrome 7+, Safari 5.1+,
	 * Opera 11.6+, iOS 4.2+.
	 *
	 * Due to various browser bugs, sometimes the Object implementation will be used even
	 * when the browser supports typed arrays.
	 *
	 * Note:
	 *
	 *   - Firefox 4-29 lacks support for adding new properties to `Uint8Array` instances,
	 *     See: https://bugzilla.mozilla.org/show_bug.cgi?id=695438.
	 *
	 *   - Chrome 9-10 is missing the `TypedArray.prototype.subarray` function.
	 *
	 *   - IE10 has a broken `TypedArray.prototype.subarray` function which returns arrays of
	 *     incorrect length in some situations.

	 * We detect these buggy browsers and set `Buffer.TYPED_ARRAY_SUPPORT` to `false` so they
	 * get the Object implementation, which is slower but behaves correctly.
	 */

	Buffer$1.TYPED_ARRAY_SUPPORT = global$2.TYPED_ARRAY_SUPPORT !== undefined ? global$2.TYPED_ARRAY_SUPPORT : true;

	function kMaxLength$1() {
	  return Buffer$1.TYPED_ARRAY_SUPPORT ? 0x7fffffff : 0x3fffffff;
	}

	function createBuffer$1(that, length) {
	  if (kMaxLength$1() < length) {
	    throw new RangeError('Invalid typed array length');
	  }

	  if (Buffer$1.TYPED_ARRAY_SUPPORT) {
	    // Return an augmented `Uint8Array` instance, for best performance
	    that = new Uint8Array(length);
	    that.__proto__ = Buffer$1.prototype;
	  } else {
	    // Fallback: Return an object instance of the Buffer class
	    if (that === null) {
	      that = new Buffer$1(length);
	    }

	    that.length = length;
	  }

	  return that;
	}
	/**
	 * The Buffer constructor returns instances of `Uint8Array` that have their
	 * prototype changed to `Buffer.prototype`. Furthermore, `Buffer` is a subclass of
	 * `Uint8Array`, so the returned instances will have all the node `Buffer` methods
	 * and the `Uint8Array` methods. Square bracket notation works as expected -- it
	 * returns a single octet.
	 *
	 * The `Uint8Array` prototype remains unmodified.
	 */


	function Buffer$1(arg, encodingOrOffset, length) {
	  if (!Buffer$1.TYPED_ARRAY_SUPPORT && !(this instanceof Buffer$1)) {
	    return new Buffer$1(arg, encodingOrOffset, length);
	  } // Common case.


	  if (typeof arg === 'number') {
	    if (typeof encodingOrOffset === 'string') {
	      throw new Error('If encoding is specified then the first argument must be a string');
	    }

	    return allocUnsafe$1(this, arg);
	  }

	  return from$1(this, arg, encodingOrOffset, length);
	}

	Buffer$1.poolSize = 8192; // not used by this implementation
	// TODO: Legacy, not needed anymore. Remove in next major version.

	Buffer$1._augment = function (arr) {
	  arr.__proto__ = Buffer$1.prototype;
	  return arr;
	};

	function from$1(that, value, encodingOrOffset, length) {
	  if (typeof value === 'number') {
	    throw new TypeError('"value" argument must not be a number');
	  }

	  if (typeof ArrayBuffer !== 'undefined' && value instanceof ArrayBuffer) {
	    return fromArrayBuffer$1(that, value, encodingOrOffset, length);
	  }

	  if (typeof value === 'string') {
	    return fromString$1(that, value, encodingOrOffset);
	  }

	  return fromObject$1(that, value);
	}
	/**
	 * Functionally equivalent to Buffer(arg, encoding) but throws a TypeError
	 * if value is a number.
	 * Buffer.from(str[, encoding])
	 * Buffer.from(array)
	 * Buffer.from(buffer)
	 * Buffer.from(arrayBuffer[, byteOffset[, length]])
	 **/


	Buffer$1.from = function (value, encodingOrOffset, length) {
	  return from$1(null, value, encodingOrOffset, length);
	};

	if (Buffer$1.TYPED_ARRAY_SUPPORT) {
	  Buffer$1.prototype.__proto__ = Uint8Array.prototype;
	  Buffer$1.__proto__ = Uint8Array;
	}

	function assertSize$1(size) {
	  if (typeof size !== 'number') {
	    throw new TypeError('"size" argument must be a number');
	  } else if (size < 0) {
	    throw new RangeError('"size" argument must not be negative');
	  }
	}

	function alloc$1(that, size, fill, encoding) {
	  assertSize$1(size);

	  if (size <= 0) {
	    return createBuffer$1(that, size);
	  }

	  if (fill !== undefined) {
	    // Only pay attention to encoding if it's a string. This
	    // prevents accidentally sending in a number that would
	    // be interpretted as a start offset.
	    return typeof encoding === 'string' ? createBuffer$1(that, size).fill(fill, encoding) : createBuffer$1(that, size).fill(fill);
	  }

	  return createBuffer$1(that, size);
	}
	/**
	 * Creates a new filled Buffer instance.
	 * alloc(size[, fill[, encoding]])
	 **/


	Buffer$1.alloc = function (size, fill, encoding) {
	  return alloc$1(null, size, fill, encoding);
	};

	function allocUnsafe$1(that, size) {
	  assertSize$1(size);
	  that = createBuffer$1(that, size < 0 ? 0 : checked$1(size) | 0);

	  if (!Buffer$1.TYPED_ARRAY_SUPPORT) {
	    for (var i = 0; i < size; ++i) {
	      that[i] = 0;
	    }
	  }

	  return that;
	}
	/**
	 * Equivalent to Buffer(num), by default creates a non-zero-filled Buffer instance.
	 * */


	Buffer$1.allocUnsafe = function (size) {
	  return allocUnsafe$1(null, size);
	};
	/**
	 * Equivalent to SlowBuffer(num), by default creates a non-zero-filled Buffer instance.
	 */


	Buffer$1.allocUnsafeSlow = function (size) {
	  return allocUnsafe$1(null, size);
	};

	function fromString$1(that, string, encoding) {
	  if (typeof encoding !== 'string' || encoding === '') {
	    encoding = 'utf8';
	  }

	  if (!Buffer$1.isEncoding(encoding)) {
	    throw new TypeError('"encoding" must be a valid string encoding');
	  }

	  var length = byteLength$1(string, encoding) | 0;
	  that = createBuffer$1(that, length);
	  var actual = that.write(string, encoding);

	  if (actual !== length) {
	    // Writing a hex string, for example, that contains invalid characters will
	    // cause everything after the first invalid character to be ignored. (e.g.
	    // 'abxxcd' will be treated as 'ab')
	    that = that.slice(0, actual);
	  }

	  return that;
	}

	function fromArrayLike$1(that, array) {
	  var length = array.length < 0 ? 0 : checked$1(array.length) | 0;
	  that = createBuffer$1(that, length);

	  for (var i = 0; i < length; i += 1) {
	    that[i] = array[i] & 255;
	  }

	  return that;
	}

	function fromArrayBuffer$1(that, array, byteOffset, length) {
	  array.byteLength; // this throws if `array` is not a valid ArrayBuffer

	  if (byteOffset < 0 || array.byteLength < byteOffset) {
	    throw new RangeError('\'offset\' is out of bounds');
	  }

	  if (array.byteLength < byteOffset + (length || 0)) {
	    throw new RangeError('\'length\' is out of bounds');
	  }

	  if (byteOffset === undefined && length === undefined) {
	    array = new Uint8Array(array);
	  } else if (length === undefined) {
	    array = new Uint8Array(array, byteOffset);
	  } else {
	    array = new Uint8Array(array, byteOffset, length);
	  }

	  if (Buffer$1.TYPED_ARRAY_SUPPORT) {
	    // Return an augmented `Uint8Array` instance, for best performance
	    that = array;
	    that.__proto__ = Buffer$1.prototype;
	  } else {
	    // Fallback: Return an object instance of the Buffer class
	    that = fromArrayLike$1(that, array);
	  }

	  return that;
	}

	function fromObject$1(that, obj) {
	  if (internalIsBuffer$1(obj)) {
	    var len = checked$1(obj.length) | 0;
	    that = createBuffer$1(that, len);

	    if (that.length === 0) {
	      return that;
	    }

	    obj.copy(that, 0, 0, len);
	    return that;
	  }

	  if (obj) {
	    if (typeof ArrayBuffer !== 'undefined' && obj.buffer instanceof ArrayBuffer || 'length' in obj) {
	      if (typeof obj.length !== 'number' || isnan$1(obj.length)) {
	        return createBuffer$1(that, 0);
	      }

	      return fromArrayLike$1(that, obj);
	    }

	    if (obj.type === 'Buffer' && isArray$3(obj.data)) {
	      return fromArrayLike$1(that, obj.data);
	    }
	  }

	  throw new TypeError('First argument must be a string, Buffer, ArrayBuffer, Array, or array-like object.');
	}

	function checked$1(length) {
	  // Note: cannot use `length < kMaxLength()` here because that fails when
	  // length is NaN (which is otherwise coerced to zero.)
	  if (length >= kMaxLength$1()) {
	    throw new RangeError('Attempt to allocate Buffer larger than maximum ' + 'size: 0x' + kMaxLength$1().toString(16) + ' bytes');
	  }

	  return length | 0;
	}

	Buffer$1.isBuffer = isBuffer$2;

	function internalIsBuffer$1(b) {
	  return !!(b != null && b._isBuffer);
	}

	Buffer$1.compare = function compare(a, b) {
	  if (!internalIsBuffer$1(a) || !internalIsBuffer$1(b)) {
	    throw new TypeError('Arguments must be Buffers');
	  }

	  if (a === b) return 0;
	  var x = a.length;
	  var y = b.length;

	  for (var i = 0, len = Math.min(x, y); i < len; ++i) {
	    if (a[i] !== b[i]) {
	      x = a[i];
	      y = b[i];
	      break;
	    }
	  }

	  if (x < y) return -1;
	  if (y < x) return 1;
	  return 0;
	};

	Buffer$1.isEncoding = function isEncoding(encoding) {
	  switch (String(encoding).toLowerCase()) {
	    case 'hex':
	    case 'utf8':
	    case 'utf-8':
	    case 'ascii':
	    case 'latin1':
	    case 'binary':
	    case 'base64':
	    case 'ucs2':
	    case 'ucs-2':
	    case 'utf16le':
	    case 'utf-16le':
	      return true;

	    default:
	      return false;
	  }
	};

	Buffer$1.concat = function concat(list, length) {
	  if (!isArray$3(list)) {
	    throw new TypeError('"list" argument must be an Array of Buffers');
	  }

	  if (list.length === 0) {
	    return Buffer$1.alloc(0);
	  }

	  var i;

	  if (length === undefined) {
	    length = 0;

	    for (i = 0; i < list.length; ++i) {
	      length += list[i].length;
	    }
	  }

	  var buffer = Buffer$1.allocUnsafe(length);
	  var pos = 0;

	  for (i = 0; i < list.length; ++i) {
	    var buf = list[i];

	    if (!internalIsBuffer$1(buf)) {
	      throw new TypeError('"list" argument must be an Array of Buffers');
	    }

	    buf.copy(buffer, pos);
	    pos += buf.length;
	  }

	  return buffer;
	};

	function byteLength$1(string, encoding) {
	  if (internalIsBuffer$1(string)) {
	    return string.length;
	  }

	  if (typeof ArrayBuffer !== 'undefined' && typeof ArrayBuffer.isView === 'function' && (ArrayBuffer.isView(string) || string instanceof ArrayBuffer)) {
	    return string.byteLength;
	  }

	  if (typeof string !== 'string') {
	    string = '' + string;
	  }

	  var len = string.length;
	  if (len === 0) return 0; // Use a for loop to avoid recursion

	  var loweredCase = false;

	  for (;;) {
	    switch (encoding) {
	      case 'ascii':
	      case 'latin1':
	      case 'binary':
	        return len;

	      case 'utf8':
	      case 'utf-8':
	      case undefined:
	        return utf8ToBytes$1(string).length;

	      case 'ucs2':
	      case 'ucs-2':
	      case 'utf16le':
	      case 'utf-16le':
	        return len * 2;

	      case 'hex':
	        return len >>> 1;

	      case 'base64':
	        return base64ToBytes$1(string).length;

	      default:
	        if (loweredCase) return utf8ToBytes$1(string).length; // assume utf8

	        encoding = ('' + encoding).toLowerCase();
	        loweredCase = true;
	    }
	  }
	}

	Buffer$1.byteLength = byteLength$1;

	function slowToString$1(encoding, start, end) {
	  var loweredCase = false; // No need to verify that "this.length <= MAX_UINT32" since it's a read-only
	  // property of a typed array.
	  // This behaves neither like String nor Uint8Array in that we set start/end
	  // to their upper/lower bounds if the value passed is out of range.
	  // undefined is handled specially as per ECMA-262 6th Edition,
	  // Section 13.3.3.7 Runtime Semantics: KeyedBindingInitialization.

	  if (start === undefined || start < 0) {
	    start = 0;
	  } // Return early if start > this.length. Done here to prevent potential uint32
	  // coercion fail below.


	  if (start > this.length) {
	    return '';
	  }

	  if (end === undefined || end > this.length) {
	    end = this.length;
	  }

	  if (end <= 0) {
	    return '';
	  } // Force coersion to uint32. This will also coerce falsey/NaN values to 0.


	  end >>>= 0;
	  start >>>= 0;

	  if (end <= start) {
	    return '';
	  }

	  if (!encoding) encoding = 'utf8';

	  while (true) {
	    switch (encoding) {
	      case 'hex':
	        return hexSlice$1(this, start, end);

	      case 'utf8':
	      case 'utf-8':
	        return utf8Slice$1(this, start, end);

	      case 'ascii':
	        return asciiSlice$1(this, start, end);

	      case 'latin1':
	      case 'binary':
	        return latin1Slice$1(this, start, end);

	      case 'base64':
	        return base64Slice$1(this, start, end);

	      case 'ucs2':
	      case 'ucs-2':
	      case 'utf16le':
	      case 'utf-16le':
	        return utf16leSlice$1(this, start, end);

	      default:
	        if (loweredCase) throw new TypeError('Unknown encoding: ' + encoding);
	        encoding = (encoding + '').toLowerCase();
	        loweredCase = true;
	    }
	  }
	} // The property is used by `Buffer.isBuffer` and `is-buffer` (in Safari 5-7) to detect
	// Buffer instances.


	Buffer$1.prototype._isBuffer = true;

	function swap$1(b, n, m) {
	  var i = b[n];
	  b[n] = b[m];
	  b[m] = i;
	}

	Buffer$1.prototype.swap16 = function swap16() {
	  var len = this.length;

	  if (len % 2 !== 0) {
	    throw new RangeError('Buffer size must be a multiple of 16-bits');
	  }

	  for (var i = 0; i < len; i += 2) {
	    swap$1(this, i, i + 1);
	  }

	  return this;
	};

	Buffer$1.prototype.swap32 = function swap32() {
	  var len = this.length;

	  if (len % 4 !== 0) {
	    throw new RangeError('Buffer size must be a multiple of 32-bits');
	  }

	  for (var i = 0; i < len; i += 4) {
	    swap$1(this, i, i + 3);
	    swap$1(this, i + 1, i + 2);
	  }

	  return this;
	};

	Buffer$1.prototype.swap64 = function swap64() {
	  var len = this.length;

	  if (len % 8 !== 0) {
	    throw new RangeError('Buffer size must be a multiple of 64-bits');
	  }

	  for (var i = 0; i < len; i += 8) {
	    swap$1(this, i, i + 7);
	    swap$1(this, i + 1, i + 6);
	    swap$1(this, i + 2, i + 5);
	    swap$1(this, i + 3, i + 4);
	  }

	  return this;
	};

	Buffer$1.prototype.toString = function toString() {
	  var length = this.length | 0;
	  if (length === 0) return '';
	  if (arguments.length === 0) return utf8Slice$1(this, 0, length);
	  return slowToString$1.apply(this, arguments);
	};

	Buffer$1.prototype.equals = function equals(b) {
	  if (!internalIsBuffer$1(b)) throw new TypeError('Argument must be a Buffer');
	  if (this === b) return true;
	  return Buffer$1.compare(this, b) === 0;
	};

	Buffer$1.prototype.inspect = function inspect() {
	  var str = '';
	  var max = INSPECT_MAX_BYTES$1;

	  if (this.length > 0) {
	    str = this.toString('hex', 0, max).match(/.{2}/g).join(' ');
	    if (this.length > max) str += ' ... ';
	  }

	  return '<Buffer ' + str + '>';
	};

	Buffer$1.prototype.compare = function compare(target, start, end, thisStart, thisEnd) {
	  if (!internalIsBuffer$1(target)) {
	    throw new TypeError('Argument must be a Buffer');
	  }

	  if (start === undefined) {
	    start = 0;
	  }

	  if (end === undefined) {
	    end = target ? target.length : 0;
	  }

	  if (thisStart === undefined) {
	    thisStart = 0;
	  }

	  if (thisEnd === undefined) {
	    thisEnd = this.length;
	  }

	  if (start < 0 || end > target.length || thisStart < 0 || thisEnd > this.length) {
	    throw new RangeError('out of range index');
	  }

	  if (thisStart >= thisEnd && start >= end) {
	    return 0;
	  }

	  if (thisStart >= thisEnd) {
	    return -1;
	  }

	  if (start >= end) {
	    return 1;
	  }

	  start >>>= 0;
	  end >>>= 0;
	  thisStart >>>= 0;
	  thisEnd >>>= 0;
	  if (this === target) return 0;
	  var x = thisEnd - thisStart;
	  var y = end - start;
	  var len = Math.min(x, y);
	  var thisCopy = this.slice(thisStart, thisEnd);
	  var targetCopy = target.slice(start, end);

	  for (var i = 0; i < len; ++i) {
	    if (thisCopy[i] !== targetCopy[i]) {
	      x = thisCopy[i];
	      y = targetCopy[i];
	      break;
	    }
	  }

	  if (x < y) return -1;
	  if (y < x) return 1;
	  return 0;
	}; // Finds either the first index of `val` in `buffer` at offset >= `byteOffset`,
	// OR the last index of `val` in `buffer` at offset <= `byteOffset`.
	//
	// Arguments:
	// - buffer - a Buffer to search
	// - val - a string, Buffer, or number
	// - byteOffset - an index into `buffer`; will be clamped to an int32
	// - encoding - an optional encoding, relevant is val is a string
	// - dir - true for indexOf, false for lastIndexOf


	function bidirectionalIndexOf$1(buffer, val, byteOffset, encoding, dir) {
	  // Empty buffer means no match
	  if (buffer.length === 0) return -1; // Normalize byteOffset

	  if (typeof byteOffset === 'string') {
	    encoding = byteOffset;
	    byteOffset = 0;
	  } else if (byteOffset > 0x7fffffff) {
	    byteOffset = 0x7fffffff;
	  } else if (byteOffset < -0x80000000) {
	    byteOffset = -0x80000000;
	  }

	  byteOffset = +byteOffset; // Coerce to Number.

	  if (isNaN(byteOffset)) {
	    // byteOffset: it it's undefined, null, NaN, "foo", etc, search whole buffer
	    byteOffset = dir ? 0 : buffer.length - 1;
	  } // Normalize byteOffset: negative offsets start from the end of the buffer


	  if (byteOffset < 0) byteOffset = buffer.length + byteOffset;

	  if (byteOffset >= buffer.length) {
	    if (dir) return -1;else byteOffset = buffer.length - 1;
	  } else if (byteOffset < 0) {
	    if (dir) byteOffset = 0;else return -1;
	  } // Normalize val


	  if (typeof val === 'string') {
	    val = Buffer$1.from(val, encoding);
	  } // Finally, search either indexOf (if dir is true) or lastIndexOf


	  if (internalIsBuffer$1(val)) {
	    // Special case: looking for empty string/buffer always fails
	    if (val.length === 0) {
	      return -1;
	    }

	    return arrayIndexOf$1(buffer, val, byteOffset, encoding, dir);
	  } else if (typeof val === 'number') {
	    val = val & 0xFF; // Search for a byte value [0-255]

	    if (Buffer$1.TYPED_ARRAY_SUPPORT && typeof Uint8Array.prototype.indexOf === 'function') {
	      if (dir) {
	        return Uint8Array.prototype.indexOf.call(buffer, val, byteOffset);
	      } else {
	        return Uint8Array.prototype.lastIndexOf.call(buffer, val, byteOffset);
	      }
	    }

	    return arrayIndexOf$1(buffer, [val], byteOffset, encoding, dir);
	  }

	  throw new TypeError('val must be string, number or Buffer');
	}

	function arrayIndexOf$1(arr, val, byteOffset, encoding, dir) {
	  var indexSize = 1;
	  var arrLength = arr.length;
	  var valLength = val.length;

	  if (encoding !== undefined) {
	    encoding = String(encoding).toLowerCase();

	    if (encoding === 'ucs2' || encoding === 'ucs-2' || encoding === 'utf16le' || encoding === 'utf-16le') {
	      if (arr.length < 2 || val.length < 2) {
	        return -1;
	      }

	      indexSize = 2;
	      arrLength /= 2;
	      valLength /= 2;
	      byteOffset /= 2;
	    }
	  }

	  function read(buf, i) {
	    if (indexSize === 1) {
	      return buf[i];
	    } else {
	      return buf.readUInt16BE(i * indexSize);
	    }
	  }

	  var i;

	  if (dir) {
	    var foundIndex = -1;

	    for (i = byteOffset; i < arrLength; i++) {
	      if (read(arr, i) === read(val, foundIndex === -1 ? 0 : i - foundIndex)) {
	        if (foundIndex === -1) foundIndex = i;
	        if (i - foundIndex + 1 === valLength) return foundIndex * indexSize;
	      } else {
	        if (foundIndex !== -1) i -= i - foundIndex;
	        foundIndex = -1;
	      }
	    }
	  } else {
	    if (byteOffset + valLength > arrLength) byteOffset = arrLength - valLength;

	    for (i = byteOffset; i >= 0; i--) {
	      var found = true;

	      for (var j = 0; j < valLength; j++) {
	        if (read(arr, i + j) !== read(val, j)) {
	          found = false;
	          break;
	        }
	      }

	      if (found) return i;
	    }
	  }

	  return -1;
	}

	Buffer$1.prototype.includes = function includes(val, byteOffset, encoding) {
	  return this.indexOf(val, byteOffset, encoding) !== -1;
	};

	Buffer$1.prototype.indexOf = function indexOf(val, byteOffset, encoding) {
	  return bidirectionalIndexOf$1(this, val, byteOffset, encoding, true);
	};

	Buffer$1.prototype.lastIndexOf = function lastIndexOf(val, byteOffset, encoding) {
	  return bidirectionalIndexOf$1(this, val, byteOffset, encoding, false);
	};

	function hexWrite$1(buf, string, offset, length) {
	  offset = Number(offset) || 0;
	  var remaining = buf.length - offset;

	  if (!length) {
	    length = remaining;
	  } else {
	    length = Number(length);

	    if (length > remaining) {
	      length = remaining;
	    }
	  } // must be an even number of digits


	  var strLen = string.length;
	  if (strLen % 2 !== 0) throw new TypeError('Invalid hex string');

	  if (length > strLen / 2) {
	    length = strLen / 2;
	  }

	  for (var i = 0; i < length; ++i) {
	    var parsed = parseInt(string.substr(i * 2, 2), 16);
	    if (isNaN(parsed)) return i;
	    buf[offset + i] = parsed;
	  }

	  return i;
	}

	function utf8Write$1(buf, string, offset, length) {
	  return blitBuffer$1(utf8ToBytes$1(string, buf.length - offset), buf, offset, length);
	}

	function asciiWrite$1(buf, string, offset, length) {
	  return blitBuffer$1(asciiToBytes$1(string), buf, offset, length);
	}

	function latin1Write$1(buf, string, offset, length) {
	  return asciiWrite$1(buf, string, offset, length);
	}

	function base64Write$1(buf, string, offset, length) {
	  return blitBuffer$1(base64ToBytes$1(string), buf, offset, length);
	}

	function ucs2Write$1(buf, string, offset, length) {
	  return blitBuffer$1(utf16leToBytes$1(string, buf.length - offset), buf, offset, length);
	}

	Buffer$1.prototype.write = function write(string, offset, length, encoding) {
	  // Buffer#write(string)
	  if (offset === undefined) {
	    encoding = 'utf8';
	    length = this.length;
	    offset = 0; // Buffer#write(string, encoding)
	  } else if (length === undefined && typeof offset === 'string') {
	    encoding = offset;
	    length = this.length;
	    offset = 0; // Buffer#write(string, offset[, length][, encoding])
	  } else if (isFinite(offset)) {
	    offset = offset | 0;

	    if (isFinite(length)) {
	      length = length | 0;
	      if (encoding === undefined) encoding = 'utf8';
	    } else {
	      encoding = length;
	      length = undefined;
	    } // legacy write(string, encoding, offset, length) - remove in v0.13

	  } else {
	    throw new Error('Buffer.write(string, encoding, offset[, length]) is no longer supported');
	  }

	  var remaining = this.length - offset;
	  if (length === undefined || length > remaining) length = remaining;

	  if (string.length > 0 && (length < 0 || offset < 0) || offset > this.length) {
	    throw new RangeError('Attempt to write outside buffer bounds');
	  }

	  if (!encoding) encoding = 'utf8';
	  var loweredCase = false;

	  for (;;) {
	    switch (encoding) {
	      case 'hex':
	        return hexWrite$1(this, string, offset, length);

	      case 'utf8':
	      case 'utf-8':
	        return utf8Write$1(this, string, offset, length);

	      case 'ascii':
	        return asciiWrite$1(this, string, offset, length);

	      case 'latin1':
	      case 'binary':
	        return latin1Write$1(this, string, offset, length);

	      case 'base64':
	        // Warning: maxLength not taken into account in base64Write
	        return base64Write$1(this, string, offset, length);

	      case 'ucs2':
	      case 'ucs-2':
	      case 'utf16le':
	      case 'utf-16le':
	        return ucs2Write$1(this, string, offset, length);

	      default:
	        if (loweredCase) throw new TypeError('Unknown encoding: ' + encoding);
	        encoding = ('' + encoding).toLowerCase();
	        loweredCase = true;
	    }
	  }
	};

	Buffer$1.prototype.toJSON = function toJSON() {
	  return {
	    type: 'Buffer',
	    data: Array.prototype.slice.call(this._arr || this, 0)
	  };
	};

	function base64Slice$1(buf, start, end) {
	  if (start === 0 && end === buf.length) {
	    return fromByteArray$1(buf);
	  } else {
	    return fromByteArray$1(buf.slice(start, end));
	  }
	}

	function utf8Slice$1(buf, start, end) {
	  end = Math.min(buf.length, end);
	  var res = [];
	  var i = start;

	  while (i < end) {
	    var firstByte = buf[i];
	    var codePoint = null;
	    var bytesPerSequence = firstByte > 0xEF ? 4 : firstByte > 0xDF ? 3 : firstByte > 0xBF ? 2 : 1;

	    if (i + bytesPerSequence <= end) {
	      var secondByte, thirdByte, fourthByte, tempCodePoint;

	      switch (bytesPerSequence) {
	        case 1:
	          if (firstByte < 0x80) {
	            codePoint = firstByte;
	          }

	          break;

	        case 2:
	          secondByte = buf[i + 1];

	          if ((secondByte & 0xC0) === 0x80) {
	            tempCodePoint = (firstByte & 0x1F) << 0x6 | secondByte & 0x3F;

	            if (tempCodePoint > 0x7F) {
	              codePoint = tempCodePoint;
	            }
	          }

	          break;

	        case 3:
	          secondByte = buf[i + 1];
	          thirdByte = buf[i + 2];

	          if ((secondByte & 0xC0) === 0x80 && (thirdByte & 0xC0) === 0x80) {
	            tempCodePoint = (firstByte & 0xF) << 0xC | (secondByte & 0x3F) << 0x6 | thirdByte & 0x3F;

	            if (tempCodePoint > 0x7FF && (tempCodePoint < 0xD800 || tempCodePoint > 0xDFFF)) {
	              codePoint = tempCodePoint;
	            }
	          }

	          break;

	        case 4:
	          secondByte = buf[i + 1];
	          thirdByte = buf[i + 2];
	          fourthByte = buf[i + 3];

	          if ((secondByte & 0xC0) === 0x80 && (thirdByte & 0xC0) === 0x80 && (fourthByte & 0xC0) === 0x80) {
	            tempCodePoint = (firstByte & 0xF) << 0x12 | (secondByte & 0x3F) << 0xC | (thirdByte & 0x3F) << 0x6 | fourthByte & 0x3F;

	            if (tempCodePoint > 0xFFFF && tempCodePoint < 0x110000) {
	              codePoint = tempCodePoint;
	            }
	          }

	      }
	    }

	    if (codePoint === null) {
	      // we did not generate a valid codePoint so insert a
	      // replacement char (U+FFFD) and advance only 1 byte
	      codePoint = 0xFFFD;
	      bytesPerSequence = 1;
	    } else if (codePoint > 0xFFFF) {
	      // encode to utf16 (surrogate pair dance)
	      codePoint -= 0x10000;
	      res.push(codePoint >>> 10 & 0x3FF | 0xD800);
	      codePoint = 0xDC00 | codePoint & 0x3FF;
	    }

	    res.push(codePoint);
	    i += bytesPerSequence;
	  }

	  return decodeCodePointsArray$1(res);
	} // Based on http://stackoverflow.com/a/22747272/680742, the browser with
	// the lowest limit is Chrome, with 0x10000 args.
	// We go 1 magnitude less, for safety


	var MAX_ARGUMENTS_LENGTH$1 = 0x1000;

	function decodeCodePointsArray$1(codePoints) {
	  var len = codePoints.length;

	  if (len <= MAX_ARGUMENTS_LENGTH$1) {
	    return String.fromCharCode.apply(String, codePoints); // avoid extra slice()
	  } // Decode in chunks to avoid "call stack size exceeded".


	  var res = '';
	  var i = 0;

	  while (i < len) {
	    res += String.fromCharCode.apply(String, codePoints.slice(i, i += MAX_ARGUMENTS_LENGTH$1));
	  }

	  return res;
	}

	function asciiSlice$1(buf, start, end) {
	  var ret = '';
	  end = Math.min(buf.length, end);

	  for (var i = start; i < end; ++i) {
	    ret += String.fromCharCode(buf[i] & 0x7F);
	  }

	  return ret;
	}

	function latin1Slice$1(buf, start, end) {
	  var ret = '';
	  end = Math.min(buf.length, end);

	  for (var i = start; i < end; ++i) {
	    ret += String.fromCharCode(buf[i]);
	  }

	  return ret;
	}

	function hexSlice$1(buf, start, end) {
	  var len = buf.length;
	  if (!start || start < 0) start = 0;
	  if (!end || end < 0 || end > len) end = len;
	  var out = '';

	  for (var i = start; i < end; ++i) {
	    out += toHex$1(buf[i]);
	  }

	  return out;
	}

	function utf16leSlice$1(buf, start, end) {
	  var bytes = buf.slice(start, end);
	  var res = '';

	  for (var i = 0; i < bytes.length; i += 2) {
	    res += String.fromCharCode(bytes[i] + bytes[i + 1] * 256);
	  }

	  return res;
	}

	Buffer$1.prototype.slice = function slice(start, end) {
	  var len = this.length;
	  start = ~~start;
	  end = end === undefined ? len : ~~end;

	  if (start < 0) {
	    start += len;
	    if (start < 0) start = 0;
	  } else if (start > len) {
	    start = len;
	  }

	  if (end < 0) {
	    end += len;
	    if (end < 0) end = 0;
	  } else if (end > len) {
	    end = len;
	  }

	  if (end < start) end = start;
	  var newBuf;

	  if (Buffer$1.TYPED_ARRAY_SUPPORT) {
	    newBuf = this.subarray(start, end);
	    newBuf.__proto__ = Buffer$1.prototype;
	  } else {
	    var sliceLen = end - start;
	    newBuf = new Buffer$1(sliceLen, undefined);

	    for (var i = 0; i < sliceLen; ++i) {
	      newBuf[i] = this[i + start];
	    }
	  }

	  return newBuf;
	};
	/*
	 * Need to make sure that buffer isn't trying to write out of bounds.
	 */


	function checkOffset$1(offset, ext, length) {
	  if (offset % 1 !== 0 || offset < 0) throw new RangeError('offset is not uint');
	  if (offset + ext > length) throw new RangeError('Trying to access beyond buffer length');
	}

	Buffer$1.prototype.readUIntLE = function readUIntLE(offset, byteLength, noAssert) {
	  offset = offset | 0;
	  byteLength = byteLength | 0;
	  if (!noAssert) checkOffset$1(offset, byteLength, this.length);
	  var val = this[offset];
	  var mul = 1;
	  var i = 0;

	  while (++i < byteLength && (mul *= 0x100)) {
	    val += this[offset + i] * mul;
	  }

	  return val;
	};

	Buffer$1.prototype.readUIntBE = function readUIntBE(offset, byteLength, noAssert) {
	  offset = offset | 0;
	  byteLength = byteLength | 0;

	  if (!noAssert) {
	    checkOffset$1(offset, byteLength, this.length);
	  }

	  var val = this[offset + --byteLength];
	  var mul = 1;

	  while (byteLength > 0 && (mul *= 0x100)) {
	    val += this[offset + --byteLength] * mul;
	  }

	  return val;
	};

	Buffer$1.prototype.readUInt8 = function readUInt8(offset, noAssert) {
	  if (!noAssert) checkOffset$1(offset, 1, this.length);
	  return this[offset];
	};

	Buffer$1.prototype.readUInt16LE = function readUInt16LE(offset, noAssert) {
	  if (!noAssert) checkOffset$1(offset, 2, this.length);
	  return this[offset] | this[offset + 1] << 8;
	};

	Buffer$1.prototype.readUInt16BE = function readUInt16BE(offset, noAssert) {
	  if (!noAssert) checkOffset$1(offset, 2, this.length);
	  return this[offset] << 8 | this[offset + 1];
	};

	Buffer$1.prototype.readUInt32LE = function readUInt32LE(offset, noAssert) {
	  if (!noAssert) checkOffset$1(offset, 4, this.length);
	  return (this[offset] | this[offset + 1] << 8 | this[offset + 2] << 16) + this[offset + 3] * 0x1000000;
	};

	Buffer$1.prototype.readUInt32BE = function readUInt32BE(offset, noAssert) {
	  if (!noAssert) checkOffset$1(offset, 4, this.length);
	  return this[offset] * 0x1000000 + (this[offset + 1] << 16 | this[offset + 2] << 8 | this[offset + 3]);
	};

	Buffer$1.prototype.readIntLE = function readIntLE(offset, byteLength, noAssert) {
	  offset = offset | 0;
	  byteLength = byteLength | 0;
	  if (!noAssert) checkOffset$1(offset, byteLength, this.length);
	  var val = this[offset];
	  var mul = 1;
	  var i = 0;

	  while (++i < byteLength && (mul *= 0x100)) {
	    val += this[offset + i] * mul;
	  }

	  mul *= 0x80;
	  if (val >= mul) val -= Math.pow(2, 8 * byteLength);
	  return val;
	};

	Buffer$1.prototype.readIntBE = function readIntBE(offset, byteLength, noAssert) {
	  offset = offset | 0;
	  byteLength = byteLength | 0;
	  if (!noAssert) checkOffset$1(offset, byteLength, this.length);
	  var i = byteLength;
	  var mul = 1;
	  var val = this[offset + --i];

	  while (i > 0 && (mul *= 0x100)) {
	    val += this[offset + --i] * mul;
	  }

	  mul *= 0x80;
	  if (val >= mul) val -= Math.pow(2, 8 * byteLength);
	  return val;
	};

	Buffer$1.prototype.readInt8 = function readInt8(offset, noAssert) {
	  if (!noAssert) checkOffset$1(offset, 1, this.length);
	  if (!(this[offset] & 0x80)) return this[offset];
	  return (0xff - this[offset] + 1) * -1;
	};

	Buffer$1.prototype.readInt16LE = function readInt16LE(offset, noAssert) {
	  if (!noAssert) checkOffset$1(offset, 2, this.length);
	  var val = this[offset] | this[offset + 1] << 8;
	  return val & 0x8000 ? val | 0xFFFF0000 : val;
	};

	Buffer$1.prototype.readInt16BE = function readInt16BE(offset, noAssert) {
	  if (!noAssert) checkOffset$1(offset, 2, this.length);
	  var val = this[offset + 1] | this[offset] << 8;
	  return val & 0x8000 ? val | 0xFFFF0000 : val;
	};

	Buffer$1.prototype.readInt32LE = function readInt32LE(offset, noAssert) {
	  if (!noAssert) checkOffset$1(offset, 4, this.length);
	  return this[offset] | this[offset + 1] << 8 | this[offset + 2] << 16 | this[offset + 3] << 24;
	};

	Buffer$1.prototype.readInt32BE = function readInt32BE(offset, noAssert) {
	  if (!noAssert) checkOffset$1(offset, 4, this.length);
	  return this[offset] << 24 | this[offset + 1] << 16 | this[offset + 2] << 8 | this[offset + 3];
	};

	Buffer$1.prototype.readFloatLE = function readFloatLE(offset, noAssert) {
	  if (!noAssert) checkOffset$1(offset, 4, this.length);
	  return read$1(this, offset, true, 23, 4);
	};

	Buffer$1.prototype.readFloatBE = function readFloatBE(offset, noAssert) {
	  if (!noAssert) checkOffset$1(offset, 4, this.length);
	  return read$1(this, offset, false, 23, 4);
	};

	Buffer$1.prototype.readDoubleLE = function readDoubleLE(offset, noAssert) {
	  if (!noAssert) checkOffset$1(offset, 8, this.length);
	  return read$1(this, offset, true, 52, 8);
	};

	Buffer$1.prototype.readDoubleBE = function readDoubleBE(offset, noAssert) {
	  if (!noAssert) checkOffset$1(offset, 8, this.length);
	  return read$1(this, offset, false, 52, 8);
	};

	function checkInt$1(buf, value, offset, ext, max, min) {
	  if (!internalIsBuffer$1(buf)) throw new TypeError('"buffer" argument must be a Buffer instance');
	  if (value > max || value < min) throw new RangeError('"value" argument is out of bounds');
	  if (offset + ext > buf.length) throw new RangeError('Index out of range');
	}

	Buffer$1.prototype.writeUIntLE = function writeUIntLE(value, offset, byteLength, noAssert) {
	  value = +value;
	  offset = offset | 0;
	  byteLength = byteLength | 0;

	  if (!noAssert) {
	    var maxBytes = Math.pow(2, 8 * byteLength) - 1;
	    checkInt$1(this, value, offset, byteLength, maxBytes, 0);
	  }

	  var mul = 1;
	  var i = 0;
	  this[offset] = value & 0xFF;

	  while (++i < byteLength && (mul *= 0x100)) {
	    this[offset + i] = value / mul & 0xFF;
	  }

	  return offset + byteLength;
	};

	Buffer$1.prototype.writeUIntBE = function writeUIntBE(value, offset, byteLength, noAssert) {
	  value = +value;
	  offset = offset | 0;
	  byteLength = byteLength | 0;

	  if (!noAssert) {
	    var maxBytes = Math.pow(2, 8 * byteLength) - 1;
	    checkInt$1(this, value, offset, byteLength, maxBytes, 0);
	  }

	  var i = byteLength - 1;
	  var mul = 1;
	  this[offset + i] = value & 0xFF;

	  while (--i >= 0 && (mul *= 0x100)) {
	    this[offset + i] = value / mul & 0xFF;
	  }

	  return offset + byteLength;
	};

	Buffer$1.prototype.writeUInt8 = function writeUInt8(value, offset, noAssert) {
	  value = +value;
	  offset = offset | 0;
	  if (!noAssert) checkInt$1(this, value, offset, 1, 0xff, 0);
	  if (!Buffer$1.TYPED_ARRAY_SUPPORT) value = Math.floor(value);
	  this[offset] = value & 0xff;
	  return offset + 1;
	};

	function objectWriteUInt16$1(buf, value, offset, littleEndian) {
	  if (value < 0) value = 0xffff + value + 1;

	  for (var i = 0, j = Math.min(buf.length - offset, 2); i < j; ++i) {
	    buf[offset + i] = (value & 0xff << 8 * (littleEndian ? i : 1 - i)) >>> (littleEndian ? i : 1 - i) * 8;
	  }
	}

	Buffer$1.prototype.writeUInt16LE = function writeUInt16LE(value, offset, noAssert) {
	  value = +value;
	  offset = offset | 0;
	  if (!noAssert) checkInt$1(this, value, offset, 2, 0xffff, 0);

	  if (Buffer$1.TYPED_ARRAY_SUPPORT) {
	    this[offset] = value & 0xff;
	    this[offset + 1] = value >>> 8;
	  } else {
	    objectWriteUInt16$1(this, value, offset, true);
	  }

	  return offset + 2;
	};

	Buffer$1.prototype.writeUInt16BE = function writeUInt16BE(value, offset, noAssert) {
	  value = +value;
	  offset = offset | 0;
	  if (!noAssert) checkInt$1(this, value, offset, 2, 0xffff, 0);

	  if (Buffer$1.TYPED_ARRAY_SUPPORT) {
	    this[offset] = value >>> 8;
	    this[offset + 1] = value & 0xff;
	  } else {
	    objectWriteUInt16$1(this, value, offset, false);
	  }

	  return offset + 2;
	};

	function objectWriteUInt32$1(buf, value, offset, littleEndian) {
	  if (value < 0) value = 0xffffffff + value + 1;

	  for (var i = 0, j = Math.min(buf.length - offset, 4); i < j; ++i) {
	    buf[offset + i] = value >>> (littleEndian ? i : 3 - i) * 8 & 0xff;
	  }
	}

	Buffer$1.prototype.writeUInt32LE = function writeUInt32LE(value, offset, noAssert) {
	  value = +value;
	  offset = offset | 0;
	  if (!noAssert) checkInt$1(this, value, offset, 4, 0xffffffff, 0);

	  if (Buffer$1.TYPED_ARRAY_SUPPORT) {
	    this[offset + 3] = value >>> 24;
	    this[offset + 2] = value >>> 16;
	    this[offset + 1] = value >>> 8;
	    this[offset] = value & 0xff;
	  } else {
	    objectWriteUInt32$1(this, value, offset, true);
	  }

	  return offset + 4;
	};

	Buffer$1.prototype.writeUInt32BE = function writeUInt32BE(value, offset, noAssert) {
	  value = +value;
	  offset = offset | 0;
	  if (!noAssert) checkInt$1(this, value, offset, 4, 0xffffffff, 0);

	  if (Buffer$1.TYPED_ARRAY_SUPPORT) {
	    this[offset] = value >>> 24;
	    this[offset + 1] = value >>> 16;
	    this[offset + 2] = value >>> 8;
	    this[offset + 3] = value & 0xff;
	  } else {
	    objectWriteUInt32$1(this, value, offset, false);
	  }

	  return offset + 4;
	};

	Buffer$1.prototype.writeIntLE = function writeIntLE(value, offset, byteLength, noAssert) {
	  value = +value;
	  offset = offset | 0;

	  if (!noAssert) {
	    var limit = Math.pow(2, 8 * byteLength - 1);
	    checkInt$1(this, value, offset, byteLength, limit - 1, -limit);
	  }

	  var i = 0;
	  var mul = 1;
	  var sub = 0;
	  this[offset] = value & 0xFF;

	  while (++i < byteLength && (mul *= 0x100)) {
	    if (value < 0 && sub === 0 && this[offset + i - 1] !== 0) {
	      sub = 1;
	    }

	    this[offset + i] = (value / mul >> 0) - sub & 0xFF;
	  }

	  return offset + byteLength;
	};

	Buffer$1.prototype.writeIntBE = function writeIntBE(value, offset, byteLength, noAssert) {
	  value = +value;
	  offset = offset | 0;

	  if (!noAssert) {
	    var limit = Math.pow(2, 8 * byteLength - 1);
	    checkInt$1(this, value, offset, byteLength, limit - 1, -limit);
	  }

	  var i = byteLength - 1;
	  var mul = 1;
	  var sub = 0;
	  this[offset + i] = value & 0xFF;

	  while (--i >= 0 && (mul *= 0x100)) {
	    if (value < 0 && sub === 0 && this[offset + i + 1] !== 0) {
	      sub = 1;
	    }

	    this[offset + i] = (value / mul >> 0) - sub & 0xFF;
	  }

	  return offset + byteLength;
	};

	Buffer$1.prototype.writeInt8 = function writeInt8(value, offset, noAssert) {
	  value = +value;
	  offset = offset | 0;
	  if (!noAssert) checkInt$1(this, value, offset, 1, 0x7f, -0x80);
	  if (!Buffer$1.TYPED_ARRAY_SUPPORT) value = Math.floor(value);
	  if (value < 0) value = 0xff + value + 1;
	  this[offset] = value & 0xff;
	  return offset + 1;
	};

	Buffer$1.prototype.writeInt16LE = function writeInt16LE(value, offset, noAssert) {
	  value = +value;
	  offset = offset | 0;
	  if (!noAssert) checkInt$1(this, value, offset, 2, 0x7fff, -0x8000);

	  if (Buffer$1.TYPED_ARRAY_SUPPORT) {
	    this[offset] = value & 0xff;
	    this[offset + 1] = value >>> 8;
	  } else {
	    objectWriteUInt16$1(this, value, offset, true);
	  }

	  return offset + 2;
	};

	Buffer$1.prototype.writeInt16BE = function writeInt16BE(value, offset, noAssert) {
	  value = +value;
	  offset = offset | 0;
	  if (!noAssert) checkInt$1(this, value, offset, 2, 0x7fff, -0x8000);

	  if (Buffer$1.TYPED_ARRAY_SUPPORT) {
	    this[offset] = value >>> 8;
	    this[offset + 1] = value & 0xff;
	  } else {
	    objectWriteUInt16$1(this, value, offset, false);
	  }

	  return offset + 2;
	};

	Buffer$1.prototype.writeInt32LE = function writeInt32LE(value, offset, noAssert) {
	  value = +value;
	  offset = offset | 0;
	  if (!noAssert) checkInt$1(this, value, offset, 4, 0x7fffffff, -0x80000000);

	  if (Buffer$1.TYPED_ARRAY_SUPPORT) {
	    this[offset] = value & 0xff;
	    this[offset + 1] = value >>> 8;
	    this[offset + 2] = value >>> 16;
	    this[offset + 3] = value >>> 24;
	  } else {
	    objectWriteUInt32$1(this, value, offset, true);
	  }

	  return offset + 4;
	};

	Buffer$1.prototype.writeInt32BE = function writeInt32BE(value, offset, noAssert) {
	  value = +value;
	  offset = offset | 0;
	  if (!noAssert) checkInt$1(this, value, offset, 4, 0x7fffffff, -0x80000000);
	  if (value < 0) value = 0xffffffff + value + 1;

	  if (Buffer$1.TYPED_ARRAY_SUPPORT) {
	    this[offset] = value >>> 24;
	    this[offset + 1] = value >>> 16;
	    this[offset + 2] = value >>> 8;
	    this[offset + 3] = value & 0xff;
	  } else {
	    objectWriteUInt32$1(this, value, offset, false);
	  }

	  return offset + 4;
	};

	function checkIEEE754$1(buf, value, offset, ext, max, min) {
	  if (offset + ext > buf.length) throw new RangeError('Index out of range');
	  if (offset < 0) throw new RangeError('Index out of range');
	}

	function writeFloat$1(buf, value, offset, littleEndian, noAssert) {
	  if (!noAssert) {
	    checkIEEE754$1(buf, value, offset, 4);
	  }

	  write$1(buf, value, offset, littleEndian, 23, 4);
	  return offset + 4;
	}

	Buffer$1.prototype.writeFloatLE = function writeFloatLE(value, offset, noAssert) {
	  return writeFloat$1(this, value, offset, true, noAssert);
	};

	Buffer$1.prototype.writeFloatBE = function writeFloatBE(value, offset, noAssert) {
	  return writeFloat$1(this, value, offset, false, noAssert);
	};

	function writeDouble$1(buf, value, offset, littleEndian, noAssert) {
	  if (!noAssert) {
	    checkIEEE754$1(buf, value, offset, 8);
	  }

	  write$1(buf, value, offset, littleEndian, 52, 8);
	  return offset + 8;
	}

	Buffer$1.prototype.writeDoubleLE = function writeDoubleLE(value, offset, noAssert) {
	  return writeDouble$1(this, value, offset, true, noAssert);
	};

	Buffer$1.prototype.writeDoubleBE = function writeDoubleBE(value, offset, noAssert) {
	  return writeDouble$1(this, value, offset, false, noAssert);
	}; // copy(targetBuffer, targetStart=0, sourceStart=0, sourceEnd=buffer.length)


	Buffer$1.prototype.copy = function copy(target, targetStart, start, end) {
	  if (!start) start = 0;
	  if (!end && end !== 0) end = this.length;
	  if (targetStart >= target.length) targetStart = target.length;
	  if (!targetStart) targetStart = 0;
	  if (end > 0 && end < start) end = start; // Copy 0 bytes; we're done

	  if (end === start) return 0;
	  if (target.length === 0 || this.length === 0) return 0; // Fatal error conditions

	  if (targetStart < 0) {
	    throw new RangeError('targetStart out of bounds');
	  }

	  if (start < 0 || start >= this.length) throw new RangeError('sourceStart out of bounds');
	  if (end < 0) throw new RangeError('sourceEnd out of bounds'); // Are we oob?

	  if (end > this.length) end = this.length;

	  if (target.length - targetStart < end - start) {
	    end = target.length - targetStart + start;
	  }

	  var len = end - start;
	  var i;

	  if (this === target && start < targetStart && targetStart < end) {
	    // descending copy from end
	    for (i = len - 1; i >= 0; --i) {
	      target[i + targetStart] = this[i + start];
	    }
	  } else if (len < 1000 || !Buffer$1.TYPED_ARRAY_SUPPORT) {
	    // ascending copy from start
	    for (i = 0; i < len; ++i) {
	      target[i + targetStart] = this[i + start];
	    }
	  } else {
	    Uint8Array.prototype.set.call(target, this.subarray(start, start + len), targetStart);
	  }

	  return len;
	}; // Usage:
	//    buffer.fill(number[, offset[, end]])
	//    buffer.fill(buffer[, offset[, end]])
	//    buffer.fill(string[, offset[, end]][, encoding])


	Buffer$1.prototype.fill = function fill(val, start, end, encoding) {
	  // Handle string cases:
	  if (typeof val === 'string') {
	    if (typeof start === 'string') {
	      encoding = start;
	      start = 0;
	      end = this.length;
	    } else if (typeof end === 'string') {
	      encoding = end;
	      end = this.length;
	    }

	    if (val.length === 1) {
	      var code = val.charCodeAt(0);

	      if (code < 256) {
	        val = code;
	      }
	    }

	    if (encoding !== undefined && typeof encoding !== 'string') {
	      throw new TypeError('encoding must be a string');
	    }

	    if (typeof encoding === 'string' && !Buffer$1.isEncoding(encoding)) {
	      throw new TypeError('Unknown encoding: ' + encoding);
	    }
	  } else if (typeof val === 'number') {
	    val = val & 255;
	  } // Invalid ranges are not set to a default, so can range check early.


	  if (start < 0 || this.length < start || this.length < end) {
	    throw new RangeError('Out of range index');
	  }

	  if (end <= start) {
	    return this;
	  }

	  start = start >>> 0;
	  end = end === undefined ? this.length : end >>> 0;
	  if (!val) val = 0;
	  var i;

	  if (typeof val === 'number') {
	    for (i = start; i < end; ++i) {
	      this[i] = val;
	    }
	  } else {
	    var bytes = internalIsBuffer$1(val) ? val : utf8ToBytes$1(new Buffer$1(val, encoding).toString());
	    var len = bytes.length;

	    for (i = 0; i < end - start; ++i) {
	      this[i + start] = bytes[i % len];
	    }
	  }

	  return this;
	}; // HELPER FUNCTIONS
	// ================


	var INVALID_BASE64_RE$1 = /[^+\/0-9A-Za-z-_]/g;

	function base64clean$1(str) {
	  // Node strips out invalid characters like \n and \t from the string, base64-js does not
	  str = stringtrim$1(str).replace(INVALID_BASE64_RE$1, ''); // Node converts strings with length < 2 to ''

	  if (str.length < 2) return ''; // Node allows for non-padded base64 strings (missing trailing ===), base64-js does not

	  while (str.length % 4 !== 0) {
	    str = str + '=';
	  }

	  return str;
	}

	function stringtrim$1(str) {
	  if (str.trim) return str.trim();
	  return str.replace(/^\s+|\s+$/g, '');
	}

	function toHex$1(n) {
	  if (n < 16) return '0' + n.toString(16);
	  return n.toString(16);
	}

	function utf8ToBytes$1(string, units) {
	  units = units || Infinity;
	  var codePoint;
	  var length = string.length;
	  var leadSurrogate = null;
	  var bytes = [];

	  for (var i = 0; i < length; ++i) {
	    codePoint = string.charCodeAt(i); // is surrogate component

	    if (codePoint > 0xD7FF && codePoint < 0xE000) {
	      // last char was a lead
	      if (!leadSurrogate) {
	        // no lead yet
	        if (codePoint > 0xDBFF) {
	          // unexpected trail
	          if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD);
	          continue;
	        } else if (i + 1 === length) {
	          // unpaired lead
	          if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD);
	          continue;
	        } // valid lead


	        leadSurrogate = codePoint;
	        continue;
	      } // 2 leads in a row


	      if (codePoint < 0xDC00) {
	        if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD);
	        leadSurrogate = codePoint;
	        continue;
	      } // valid surrogate pair


	      codePoint = (leadSurrogate - 0xD800 << 10 | codePoint - 0xDC00) + 0x10000;
	    } else if (leadSurrogate) {
	      // valid bmp char, but last char was a lead
	      if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD);
	    }

	    leadSurrogate = null; // encode utf8

	    if (codePoint < 0x80) {
	      if ((units -= 1) < 0) break;
	      bytes.push(codePoint);
	    } else if (codePoint < 0x800) {
	      if ((units -= 2) < 0) break;
	      bytes.push(codePoint >> 0x6 | 0xC0, codePoint & 0x3F | 0x80);
	    } else if (codePoint < 0x10000) {
	      if ((units -= 3) < 0) break;
	      bytes.push(codePoint >> 0xC | 0xE0, codePoint >> 0x6 & 0x3F | 0x80, codePoint & 0x3F | 0x80);
	    } else if (codePoint < 0x110000) {
	      if ((units -= 4) < 0) break;
	      bytes.push(codePoint >> 0x12 | 0xF0, codePoint >> 0xC & 0x3F | 0x80, codePoint >> 0x6 & 0x3F | 0x80, codePoint & 0x3F | 0x80);
	    } else {
	      throw new Error('Invalid code point');
	    }
	  }

	  return bytes;
	}

	function asciiToBytes$1(str) {
	  var byteArray = [];

	  for (var i = 0; i < str.length; ++i) {
	    // Node's code seems to be doing this and not & 0x7F..
	    byteArray.push(str.charCodeAt(i) & 0xFF);
	  }

	  return byteArray;
	}

	function utf16leToBytes$1(str, units) {
	  var c, hi, lo;
	  var byteArray = [];

	  for (var i = 0; i < str.length; ++i) {
	    if ((units -= 2) < 0) break;
	    c = str.charCodeAt(i);
	    hi = c >> 8;
	    lo = c % 256;
	    byteArray.push(lo);
	    byteArray.push(hi);
	  }

	  return byteArray;
	}

	function base64ToBytes$1(str) {
	  return toByteArray$1(base64clean$1(str));
	}

	function blitBuffer$1(src, dst, offset, length) {
	  for (var i = 0; i < length; ++i) {
	    if (i + offset >= dst.length || i >= src.length) break;
	    dst[i + offset] = src[i];
	  }

	  return i;
	}

	function isnan$1(val) {
	  return val !== val; // eslint-disable-line no-self-compare
	} // the following is from is-buffer, also by Feross Aboukhadijeh and with same lisence
	// The _isBuffer check is for Safari 5-7 support, because it's missing
	// Object.prototype.constructor. Remove this eventually


	function isBuffer$2(obj) {
	  return obj != null && (!!obj._isBuffer || isFastBuffer$1(obj) || isSlowBuffer$1(obj));
	}

	function isFastBuffer$1(obj) {
	  return !!obj.constructor && typeof obj.constructor.isBuffer === 'function' && obj.constructor.isBuffer(obj);
	} // For Node v0.10 support. Remove this eventually.


	function isSlowBuffer$1(obj) {
	  return typeof obj.readFloatLE === 'function' && typeof obj.slice === 'function' && isFastBuffer$1(obj.slice(0, 0));
	}

	function BufferList() {
	  this.head = null;
	  this.tail = null;
	  this.length = 0;
	}

	BufferList.prototype.push = function (v) {
	  var entry = {
	    data: v,
	    next: null
	  };
	  if (this.length > 0) this.tail.next = entry;else this.head = entry;
	  this.tail = entry;
	  ++this.length;
	};

	BufferList.prototype.unshift = function (v) {
	  var entry = {
	    data: v,
	    next: this.head
	  };
	  if (this.length === 0) this.tail = entry;
	  this.head = entry;
	  ++this.length;
	};

	BufferList.prototype.shift = function () {
	  if (this.length === 0) return;
	  var ret = this.head.data;
	  if (this.length === 1) this.head = this.tail = null;else this.head = this.head.next;
	  --this.length;
	  return ret;
	};

	BufferList.prototype.clear = function () {
	  this.head = this.tail = null;
	  this.length = 0;
	};

	BufferList.prototype.join = function (s) {
	  if (this.length === 0) return '';
	  var p = this.head;
	  var ret = '' + p.data;

	  while (p = p.next) {
	    ret += s + p.data;
	  }

	  return ret;
	};

	BufferList.prototype.concat = function (n) {
	  if (this.length === 0) return Buffer$1.alloc(0);
	  if (this.length === 1) return this.head.data;
	  var ret = Buffer$1.allocUnsafe(n >>> 0);
	  var p = this.head;
	  var i = 0;

	  while (p) {
	    p.data.copy(ret, i);
	    i += p.data.length;
	    p = p.next;
	  }

	  return ret;
	};

	var isBufferEncoding = Buffer$1.isEncoding || function (encoding) {
	  switch (encoding && encoding.toLowerCase()) {
	    case 'hex':
	    case 'utf8':
	    case 'utf-8':
	    case 'ascii':
	    case 'binary':
	    case 'base64':
	    case 'ucs2':
	    case 'ucs-2':
	    case 'utf16le':
	    case 'utf-16le':
	    case 'raw':
	      return true;

	    default:
	      return false;
	  }
	};

	function assertEncoding(encoding) {
	  if (encoding && !isBufferEncoding(encoding)) {
	    throw new Error('Unknown encoding: ' + encoding);
	  }
	} // StringDecoder provides an interface for efficiently splitting a series of
	// buffers into a series of JS strings without breaking apart multi-byte
	// characters. CESU-8 is handled as part of the UTF-8 encoding.
	//
	// @TODO Handling all encodings inside a single object makes it very difficult
	// to reason about this code, so it should be split up in the future.
	// @TODO There should be a utf8-strict encoding that rejects invalid UTF-8 code
	// points as used by CESU-8.


	function StringDecoder(encoding) {
	  this.encoding = (encoding || 'utf8').toLowerCase().replace(/[-_]/, '');
	  assertEncoding(encoding);

	  switch (this.encoding) {
	    case 'utf8':
	      // CESU-8 represents each of Surrogate Pair by 3-bytes
	      this.surrogateSize = 3;
	      break;

	    case 'ucs2':
	    case 'utf16le':
	      // UTF-16 represents each of Surrogate Pair by 2-bytes
	      this.surrogateSize = 2;
	      this.detectIncompleteChar = utf16DetectIncompleteChar;
	      break;

	    case 'base64':
	      // Base-64 stores 3 bytes in 4 chars, and pads the remainder.
	      this.surrogateSize = 3;
	      this.detectIncompleteChar = base64DetectIncompleteChar;
	      break;

	    default:
	      this.write = passThroughWrite;
	      return;
	  } // Enough space to store all bytes of a single character. UTF-8 needs 4
	  // bytes, but CESU-8 may require up to 6 (3 bytes per surrogate).


	  this.charBuffer = new Buffer$1(6); // Number of bytes received for the current incomplete multi-byte character.

	  this.charReceived = 0; // Number of bytes expected for the current incomplete multi-byte character.

	  this.charLength = 0;
	}
	// guaranteed to not contain any partial multi-byte characters. Any partial
	// character found at the end of the buffer is buffered up, and will be
	// returned when calling write again with the remaining bytes.
	//
	// Note: Converting a Buffer containing an orphan surrogate to a String
	// currently works, but converting a String to a Buffer (via `new Buffer`, or
	// Buffer#write) will replace incomplete surrogates with the unicode
	// replacement character. See https://codereview.chromium.org/121173009/ .

	StringDecoder.prototype.write = function (buffer) {
	  var charStr = ''; // if our last write ended with an incomplete multibyte character

	  while (this.charLength) {
	    // determine how many remaining bytes this buffer has to offer for this char
	    var available = buffer.length >= this.charLength - this.charReceived ? this.charLength - this.charReceived : buffer.length; // add the new bytes to the char buffer

	    buffer.copy(this.charBuffer, this.charReceived, 0, available);
	    this.charReceived += available;

	    if (this.charReceived < this.charLength) {
	      // still not enough chars in this buffer? wait for more ...
	      return '';
	    } // remove bytes belonging to the current character from the buffer


	    buffer = buffer.slice(available, buffer.length); // get the character that was split

	    charStr = this.charBuffer.slice(0, this.charLength).toString(this.encoding); // CESU-8: lead surrogate (D800-DBFF) is also the incomplete character

	    var charCode = charStr.charCodeAt(charStr.length - 1);

	    if (charCode >= 0xD800 && charCode <= 0xDBFF) {
	      this.charLength += this.surrogateSize;
	      charStr = '';
	      continue;
	    }

	    this.charReceived = this.charLength = 0; // if there are no more bytes in this buffer, just emit our char

	    if (buffer.length === 0) {
	      return charStr;
	    }

	    break;
	  } // determine and set charLength / charReceived


	  this.detectIncompleteChar(buffer);
	  var end = buffer.length;

	  if (this.charLength) {
	    // buffer the incomplete character bytes we got
	    buffer.copy(this.charBuffer, 0, buffer.length - this.charReceived, end);
	    end -= this.charReceived;
	  }

	  charStr += buffer.toString(this.encoding, 0, end);
	  var end = charStr.length - 1;
	  var charCode = charStr.charCodeAt(end); // CESU-8: lead surrogate (D800-DBFF) is also the incomplete character

	  if (charCode >= 0xD800 && charCode <= 0xDBFF) {
	    var size = this.surrogateSize;
	    this.charLength += size;
	    this.charReceived += size;
	    this.charBuffer.copy(this.charBuffer, size, 0, size);
	    buffer.copy(this.charBuffer, 0, 0, size);
	    return charStr.substring(0, end);
	  } // or just emit the charStr


	  return charStr;
	}; // detectIncompleteChar determines if there is an incomplete UTF-8 character at
	// the end of the given buffer. If so, it sets this.charLength to the byte
	// length that character, and sets this.charReceived to the number of bytes
	// that are available for this character.


	StringDecoder.prototype.detectIncompleteChar = function (buffer) {
	  // determine how many bytes we have to check at the end of this buffer
	  var i = buffer.length >= 3 ? 3 : buffer.length; // Figure out if one of the last i bytes of our buffer announces an
	  // incomplete char.

	  for (; i > 0; i--) {
	    var c = buffer[buffer.length - i]; // See http://en.wikipedia.org/wiki/UTF-8#Description
	    // 110XXXXX

	    if (i == 1 && c >> 5 == 0x06) {
	      this.charLength = 2;
	      break;
	    } // 1110XXXX


	    if (i <= 2 && c >> 4 == 0x0E) {
	      this.charLength = 3;
	      break;
	    } // 11110XXX


	    if (i <= 3 && c >> 3 == 0x1E) {
	      this.charLength = 4;
	      break;
	    }
	  }

	  this.charReceived = i;
	};

	StringDecoder.prototype.end = function (buffer) {
	  var res = '';
	  if (buffer && buffer.length) res = this.write(buffer);

	  if (this.charReceived) {
	    var cr = this.charReceived;
	    var buf = this.charBuffer;
	    var enc = this.encoding;
	    res += buf.slice(0, cr).toString(enc);
	  }

	  return res;
	};

	function passThroughWrite(buffer) {
	  return buffer.toString(this.encoding);
	}

	function utf16DetectIncompleteChar(buffer) {
	  this.charReceived = buffer.length % 2;
	  this.charLength = this.charReceived ? 2 : 0;
	}

	function base64DetectIncompleteChar(buffer) {
	  this.charReceived = buffer.length % 3;
	  this.charLength = this.charReceived ? 3 : 0;
	}

	Readable.ReadableState = ReadableState;
	var debug = debuglog('stream');
	inherits$1(Readable, EventEmitter);

	function prependListener(emitter, event, fn) {
	  // Sadly this is not cacheable as some libraries bundle their own
	  // event emitter implementation with them.
	  if (typeof emitter.prependListener === 'function') {
	    return emitter.prependListener(event, fn);
	  } else {
	    // This is a hack to make sure that our error handler is attached before any
	    // userland ones.  NEVER DO THIS. This is here only because this code needs
	    // to continue to work with older versions of Node.js that do not include
	    // the prependListener() method. The goal is to eventually remove this hack.
	    if (!emitter._events || !emitter._events[event]) emitter.on(event, fn);else if (Array.isArray(emitter._events[event])) emitter._events[event].unshift(fn);else emitter._events[event] = [fn, emitter._events[event]];
	  }
	}

	function listenerCount$1(emitter, type) {
	  return emitter.listeners(type).length;
	}

	function ReadableState(options, stream) {
	  options = options || {}; // object stream flag. Used to make read(n) ignore n and to
	  // make all the buffer merging and length checks go away

	  this.objectMode = !!options.objectMode;
	  if (stream instanceof Duplex) this.objectMode = this.objectMode || !!options.readableObjectMode; // the point at which it stops calling _read() to fill the buffer
	  // Note: 0 is a valid value, means "don't call _read preemptively ever"

	  var hwm = options.highWaterMark;
	  var defaultHwm = this.objectMode ? 16 : 16 * 1024;
	  this.highWaterMark = hwm || hwm === 0 ? hwm : defaultHwm; // cast to ints.

	  this.highWaterMark = ~~this.highWaterMark; // A linked list is used to store data chunks instead of an array because the
	  // linked list can remove elements from the beginning faster than
	  // array.shift()

	  this.buffer = new BufferList();
	  this.length = 0;
	  this.pipes = null;
	  this.pipesCount = 0;
	  this.flowing = null;
	  this.ended = false;
	  this.endEmitted = false;
	  this.reading = false; // a flag to be able to tell if the onwrite cb is called immediately,
	  // or on a later tick.  We set this to true at first, because any
	  // actions that shouldn't happen until "later" should generally also
	  // not happen before the first write call.

	  this.sync = true; // whenever we return null, then we set a flag to say
	  // that we're awaiting a 'readable' event emission.

	  this.needReadable = false;
	  this.emittedReadable = false;
	  this.readableListening = false;
	  this.resumeScheduled = false; // Crypto is kind of old and crusty.  Historically, its default string
	  // encoding is 'binary' so we have to make this configurable.
	  // Everything else in the universe uses 'utf8', though.

	  this.defaultEncoding = options.defaultEncoding || 'utf8'; // when piping, we only care about 'readable' events that happen
	  // after read()ing all the bytes and not getting any pushback.

	  this.ranOut = false; // the number of writers that are awaiting a drain event in .pipe()s

	  this.awaitDrain = 0; // if true, a maybeReadMore has been scheduled

	  this.readingMore = false;
	  this.decoder = null;
	  this.encoding = null;

	  if (options.encoding) {
	    this.decoder = new StringDecoder(options.encoding);
	    this.encoding = options.encoding;
	  }
	}
	function Readable(options) {
	  if (!(this instanceof Readable)) return new Readable(options);
	  this._readableState = new ReadableState(options, this); // legacy

	  this.readable = true;
	  if (options && typeof options.read === 'function') this._read = options.read;
	  EventEmitter.call(this);
	} // Manually shove something into the read() buffer.
	// This returns true if the highWaterMark has not been hit yet,
	// similar to how Writable.write() returns true if you should
	// write() some more.

	Readable.prototype.push = function (chunk, encoding) {
	  var state = this._readableState;

	  if (!state.objectMode && typeof chunk === 'string') {
	    encoding = encoding || state.defaultEncoding;

	    if (encoding !== state.encoding) {
	      chunk = Buffer.from(chunk, encoding);
	      encoding = '';
	    }
	  }

	  return readableAddChunk(this, state, chunk, encoding, false);
	}; // Unshift should *always* be something directly out of read()


	Readable.prototype.unshift = function (chunk) {
	  var state = this._readableState;
	  return readableAddChunk(this, state, chunk, '', true);
	};

	Readable.prototype.isPaused = function () {
	  return this._readableState.flowing === false;
	};

	function readableAddChunk(stream, state, chunk, encoding, addToFront) {
	  var er = chunkInvalid(state, chunk);

	  if (er) {
	    stream.emit('error', er);
	  } else if (chunk === null) {
	    state.reading = false;
	    onEofChunk(stream, state);
	  } else if (state.objectMode || chunk && chunk.length > 0) {
	    if (state.ended && !addToFront) {
	      var e = new Error('stream.push() after EOF');
	      stream.emit('error', e);
	    } else if (state.endEmitted && addToFront) {
	      var _e = new Error('stream.unshift() after end event');

	      stream.emit('error', _e);
	    } else {
	      var skipAdd;

	      if (state.decoder && !addToFront && !encoding) {
	        chunk = state.decoder.write(chunk);
	        skipAdd = !state.objectMode && chunk.length === 0;
	      }

	      if (!addToFront) state.reading = false; // Don't add to the buffer if we've decoded to an empty string chunk and
	      // we're not in object mode

	      if (!skipAdd) {
	        // if we want the data now, just emit it.
	        if (state.flowing && state.length === 0 && !state.sync) {
	          stream.emit('data', chunk);
	          stream.read(0);
	        } else {
	          // update the buffer info.
	          state.length += state.objectMode ? 1 : chunk.length;
	          if (addToFront) state.buffer.unshift(chunk);else state.buffer.push(chunk);
	          if (state.needReadable) emitReadable(stream);
	        }
	      }

	      maybeReadMore(stream, state);
	    }
	  } else if (!addToFront) {
	    state.reading = false;
	  }

	  return needMoreData(state);
	} // if it's past the high water mark, we can push in some more.
	// Also, if we have no data yet, we can stand some
	// more bytes.  This is to work around cases where hwm=0,
	// such as the repl.  Also, if the push() triggered a
	// readable event, and the user called read(largeNumber) such that
	// needReadable was set, then we ought to push more, so that another
	// 'readable' event will be triggered.


	function needMoreData(state) {
	  return !state.ended && (state.needReadable || state.length < state.highWaterMark || state.length === 0);
	} // backwards compatibility.


	Readable.prototype.setEncoding = function (enc) {
	  this._readableState.decoder = new StringDecoder(enc);
	  this._readableState.encoding = enc;
	  return this;
	}; // Don't raise the hwm > 8MB


	var MAX_HWM = 0x800000;

	function computeNewHighWaterMark(n) {
	  if (n >= MAX_HWM) {
	    n = MAX_HWM;
	  } else {
	    // Get the next highest power of 2 to prevent increasing hwm excessively in
	    // tiny amounts
	    n--;
	    n |= n >>> 1;
	    n |= n >>> 2;
	    n |= n >>> 4;
	    n |= n >>> 8;
	    n |= n >>> 16;
	    n++;
	  }

	  return n;
	} // This function is designed to be inlinable, so please take care when making
	// changes to the function body.


	function howMuchToRead(n, state) {
	  if (n <= 0 || state.length === 0 && state.ended) return 0;
	  if (state.objectMode) return 1;

	  if (n !== n) {
	    // Only flow one buffer at a time
	    if (state.flowing && state.length) return state.buffer.head.data.length;else return state.length;
	  } // If we're asking for more than the current hwm, then raise the hwm.


	  if (n > state.highWaterMark) state.highWaterMark = computeNewHighWaterMark(n);
	  if (n <= state.length) return n; // Don't have enough

	  if (!state.ended) {
	    state.needReadable = true;
	    return 0;
	  }

	  return state.length;
	} // you can override either this method, or the async _read(n) below.


	Readable.prototype.read = function (n) {
	  debug('read', n);
	  n = parseInt(n, 10);
	  var state = this._readableState;
	  var nOrig = n;
	  if (n !== 0) state.emittedReadable = false; // if we're doing read(0) to trigger a readable event, but we
	  // already have a bunch of data in the buffer, then just trigger
	  // the 'readable' event and move on.

	  if (n === 0 && state.needReadable && (state.length >= state.highWaterMark || state.ended)) {
	    debug('read: emitReadable', state.length, state.ended);
	    if (state.length === 0 && state.ended) endReadable(this);else emitReadable(this);
	    return null;
	  }

	  n = howMuchToRead(n, state); // if we've ended, and we're now clear, then finish it up.

	  if (n === 0 && state.ended) {
	    if (state.length === 0) endReadable(this);
	    return null;
	  } // All the actual chunk generation logic needs to be
	  // *below* the call to _read.  The reason is that in certain
	  // synthetic stream cases, such as passthrough streams, _read
	  // may be a completely synchronous operation which may change
	  // the state of the read buffer, providing enough data when
	  // before there was *not* enough.
	  //
	  // So, the steps are:
	  // 1. Figure out what the state of things will be after we do
	  // a read from the buffer.
	  //
	  // 2. If that resulting state will trigger a _read, then call _read.
	  // Note that this may be asynchronous, or synchronous.  Yes, it is
	  // deeply ugly to write APIs this way, but that still doesn't mean
	  // that the Readable class should behave improperly, as streams are
	  // designed to be sync/async agnostic.
	  // Take note if the _read call is sync or async (ie, if the read call
	  // has returned yet), so that we know whether or not it's safe to emit
	  // 'readable' etc.
	  //
	  // 3. Actually pull the requested chunks out of the buffer and return.
	  // if we need a readable event, then we need to do some reading.


	  var doRead = state.needReadable;
	  debug('need readable', doRead); // if we currently have less than the highWaterMark, then also read some

	  if (state.length === 0 || state.length - n < state.highWaterMark) {
	    doRead = true;
	    debug('length less than watermark', doRead);
	  } // however, if we've ended, then there's no point, and if we're already
	  // reading, then it's unnecessary.


	  if (state.ended || state.reading) {
	    doRead = false;
	    debug('reading or ended', doRead);
	  } else if (doRead) {
	    debug('do read');
	    state.reading = true;
	    state.sync = true; // if the length is currently zero, then we *need* a readable event.

	    if (state.length === 0) state.needReadable = true; // call internal read method

	    this._read(state.highWaterMark);

	    state.sync = false; // If _read pushed data synchronously, then `reading` will be false,
	    // and we need to re-evaluate how much data we can return to the user.

	    if (!state.reading) n = howMuchToRead(nOrig, state);
	  }

	  var ret;
	  if (n > 0) ret = fromList(n, state);else ret = null;

	  if (ret === null) {
	    state.needReadable = true;
	    n = 0;
	  } else {
	    state.length -= n;
	  }

	  if (state.length === 0) {
	    // If we have nothing in the buffer, then we want to know
	    // as soon as we *do* get something into the buffer.
	    if (!state.ended) state.needReadable = true; // If we tried to read() past the EOF, then emit end on the next tick.

	    if (nOrig !== n && state.ended) endReadable(this);
	  }

	  if (ret !== null) this.emit('data', ret);
	  return ret;
	};

	function chunkInvalid(state, chunk) {
	  var er = null;

	  if (!isBuffer(chunk) && typeof chunk !== 'string' && chunk !== null && chunk !== undefined && !state.objectMode) {
	    er = new TypeError('Invalid non-string/buffer chunk');
	  }

	  return er;
	}

	function onEofChunk(stream, state) {
	  if (state.ended) return;

	  if (state.decoder) {
	    var chunk = state.decoder.end();

	    if (chunk && chunk.length) {
	      state.buffer.push(chunk);
	      state.length += state.objectMode ? 1 : chunk.length;
	    }
	  }

	  state.ended = true; // emit 'readable' now to make sure it gets picked up.

	  emitReadable(stream);
	} // Don't emit readable right away in sync mode, because this can trigger
	// another read() call => stack overflow.  This way, it might trigger
	// a nextTick recursion warning, but that's not so bad.


	function emitReadable(stream) {
	  var state = stream._readableState;
	  state.needReadable = false;

	  if (!state.emittedReadable) {
	    debug('emitReadable', state.flowing);
	    state.emittedReadable = true;
	    if (state.sync) nextTick$1(emitReadable_, stream);else emitReadable_(stream);
	  }
	}

	function emitReadable_(stream) {
	  debug('emit readable');
	  stream.emit('readable');
	  flow(stream);
	} // at this point, the user has presumably seen the 'readable' event,
	// and called read() to consume some data.  that may have triggered
	// in turn another _read(n) call, in which case reading = true if
	// it's in progress.
	// However, if we're not ended, or reading, and the length < hwm,
	// then go ahead and try to read some more preemptively.


	function maybeReadMore(stream, state) {
	  if (!state.readingMore) {
	    state.readingMore = true;
	    nextTick$1(maybeReadMore_, stream, state);
	  }
	}

	function maybeReadMore_(stream, state) {
	  var len = state.length;

	  while (!state.reading && !state.flowing && !state.ended && state.length < state.highWaterMark) {
	    debug('maybeReadMore read 0');
	    stream.read(0);
	    if (len === state.length) // didn't get any data, stop spinning.
	      break;else len = state.length;
	  }

	  state.readingMore = false;
	} // abstract method.  to be overridden in specific implementation classes.
	// call cb(er, data) where data is <= n in length.
	// for virtual (non-string, non-buffer) streams, "length" is somewhat
	// arbitrary, and perhaps not very meaningful.


	Readable.prototype._read = function (n) {
	  this.emit('error', new Error('not implemented'));
	};

	Readable.prototype.pipe = function (dest, pipeOpts) {
	  var src = this;
	  var state = this._readableState;

	  switch (state.pipesCount) {
	    case 0:
	      state.pipes = dest;
	      break;

	    case 1:
	      state.pipes = [state.pipes, dest];
	      break;

	    default:
	      state.pipes.push(dest);
	      break;
	  }

	  state.pipesCount += 1;
	  debug('pipe count=%d opts=%j', state.pipesCount, pipeOpts);
	  var doEnd = !pipeOpts || pipeOpts.end !== false;
	  var endFn = doEnd ? onend : cleanup;
	  if (state.endEmitted) nextTick$1(endFn);else src.once('end', endFn);
	  dest.on('unpipe', onunpipe);

	  function onunpipe(readable) {
	    debug('onunpipe');

	    if (readable === src) {
	      cleanup();
	    }
	  }

	  function onend() {
	    debug('onend');
	    dest.end();
	  } // when the dest drains, it reduces the awaitDrain counter
	  // on the source.  This would be more elegant with a .once()
	  // handler in flow(), but adding and removing repeatedly is
	  // too slow.


	  var ondrain = pipeOnDrain(src);
	  dest.on('drain', ondrain);
	  var cleanedUp = false;

	  function cleanup() {
	    debug('cleanup'); // cleanup event handlers once the pipe is broken

	    dest.removeListener('close', onclose);
	    dest.removeListener('finish', onfinish);
	    dest.removeListener('drain', ondrain);
	    dest.removeListener('error', onerror);
	    dest.removeListener('unpipe', onunpipe);
	    src.removeListener('end', onend);
	    src.removeListener('end', cleanup);
	    src.removeListener('data', ondata);
	    cleanedUp = true; // if the reader is waiting for a drain event from this
	    // specific writer, then it would cause it to never start
	    // flowing again.
	    // So, if this is awaiting a drain, then we just call it now.
	    // If we don't know, then assume that we are waiting for one.

	    if (state.awaitDrain && (!dest._writableState || dest._writableState.needDrain)) ondrain();
	  } // If the user pushes more data while we're writing to dest then we'll end up
	  // in ondata again. However, we only want to increase awaitDrain once because
	  // dest will only emit one 'drain' event for the multiple writes.
	  // => Introduce a guard on increasing awaitDrain.


	  var increasedAwaitDrain = false;
	  src.on('data', ondata);

	  function ondata(chunk) {
	    debug('ondata');
	    increasedAwaitDrain = false;
	    var ret = dest.write(chunk);

	    if (false === ret && !increasedAwaitDrain) {
	      // If the user unpiped during `dest.write()`, it is possible
	      // to get stuck in a permanently paused state if that write
	      // also returned false.
	      // => Check whether `dest` is still a piping destination.
	      if ((state.pipesCount === 1 && state.pipes === dest || state.pipesCount > 1 && indexOf$1(state.pipes, dest) !== -1) && !cleanedUp) {
	        debug('false write response, pause', src._readableState.awaitDrain);
	        src._readableState.awaitDrain++;
	        increasedAwaitDrain = true;
	      }

	      src.pause();
	    }
	  } // if the dest has an error, then stop piping into it.
	  // however, don't suppress the throwing behavior for this.


	  function onerror(er) {
	    debug('onerror', er);
	    unpipe();
	    dest.removeListener('error', onerror);
	    if (listenerCount$1(dest, 'error') === 0) dest.emit('error', er);
	  } // Make sure our error handler is attached before userland ones.


	  prependListener(dest, 'error', onerror); // Both close and finish should trigger unpipe, but only once.

	  function onclose() {
	    dest.removeListener('finish', onfinish);
	    unpipe();
	  }

	  dest.once('close', onclose);

	  function onfinish() {
	    debug('onfinish');
	    dest.removeListener('close', onclose);
	    unpipe();
	  }

	  dest.once('finish', onfinish);

	  function unpipe() {
	    debug('unpipe');
	    src.unpipe(dest);
	  } // tell the dest that it's being piped to


	  dest.emit('pipe', src); // start the flow if it hasn't been started already.

	  if (!state.flowing) {
	    debug('pipe resume');
	    src.resume();
	  }

	  return dest;
	};

	function pipeOnDrain(src) {
	  return function () {
	    var state = src._readableState;
	    debug('pipeOnDrain', state.awaitDrain);
	    if (state.awaitDrain) state.awaitDrain--;

	    if (state.awaitDrain === 0 && src.listeners('data').length) {
	      state.flowing = true;
	      flow(src);
	    }
	  };
	}

	Readable.prototype.unpipe = function (dest) {
	  var state = this._readableState; // if we're not piping anywhere, then do nothing.

	  if (state.pipesCount === 0) return this; // just one destination.  most common case.

	  if (state.pipesCount === 1) {
	    // passed in one, but it's not the right one.
	    if (dest && dest !== state.pipes) return this;
	    if (!dest) dest = state.pipes; // got a match.

	    state.pipes = null;
	    state.pipesCount = 0;
	    state.flowing = false;
	    if (dest) dest.emit('unpipe', this);
	    return this;
	  } // slow case. multiple pipe destinations.


	  if (!dest) {
	    // remove all.
	    var dests = state.pipes;
	    var len = state.pipesCount;
	    state.pipes = null;
	    state.pipesCount = 0;
	    state.flowing = false;

	    for (var _i = 0; _i < len; _i++) {
	      dests[_i].emit('unpipe', this);
	    }

	    return this;
	  } // try to find the right one.


	  var i = indexOf$1(state.pipes, dest);
	  if (i === -1) return this;
	  state.pipes.splice(i, 1);
	  state.pipesCount -= 1;
	  if (state.pipesCount === 1) state.pipes = state.pipes[0];
	  dest.emit('unpipe', this);
	  return this;
	}; // set up data events if they are asked for
	// Ensure readable listeners eventually get something


	Readable.prototype.on = function (ev, fn) {
	  var res = EventEmitter.prototype.on.call(this, ev, fn);

	  if (ev === 'data') {
	    // Start flowing on next tick if stream isn't explicitly paused
	    if (this._readableState.flowing !== false) this.resume();
	  } else if (ev === 'readable') {
	    var state = this._readableState;

	    if (!state.endEmitted && !state.readableListening) {
	      state.readableListening = state.needReadable = true;
	      state.emittedReadable = false;

	      if (!state.reading) {
	        nextTick$1(nReadingNextTick, this);
	      } else if (state.length) {
	        emitReadable(this);
	      }
	    }
	  }

	  return res;
	};

	Readable.prototype.addListener = Readable.prototype.on;

	function nReadingNextTick(self) {
	  debug('readable nexttick read 0');
	  self.read(0);
	} // pause() and resume() are remnants of the legacy readable stream API
	// If the user uses them, then switch into old mode.


	Readable.prototype.resume = function () {
	  var state = this._readableState;

	  if (!state.flowing) {
	    debug('resume');
	    state.flowing = true;
	    resume(this, state);
	  }

	  return this;
	};

	function resume(stream, state) {
	  if (!state.resumeScheduled) {
	    state.resumeScheduled = true;
	    nextTick$1(resume_, stream, state);
	  }
	}

	function resume_(stream, state) {
	  if (!state.reading) {
	    debug('resume read 0');
	    stream.read(0);
	  }

	  state.resumeScheduled = false;
	  state.awaitDrain = 0;
	  stream.emit('resume');
	  flow(stream);
	  if (state.flowing && !state.reading) stream.read(0);
	}

	Readable.prototype.pause = function () {
	  debug('call pause flowing=%j', this._readableState.flowing);

	  if (false !== this._readableState.flowing) {
	    debug('pause');
	    this._readableState.flowing = false;
	    this.emit('pause');
	  }

	  return this;
	};

	function flow(stream) {
	  var state = stream._readableState;
	  debug('flow', state.flowing);

	  while (state.flowing && stream.read() !== null) {}
	} // wrap an old-style stream as the async data source.
	// This is *not* part of the readable stream interface.
	// It is an ugly unfortunate mess of history.


	Readable.prototype.wrap = function (stream) {
	  var state = this._readableState;
	  var paused = false;
	  var self = this;
	  stream.on('end', function () {
	    debug('wrapped end');

	    if (state.decoder && !state.ended) {
	      var chunk = state.decoder.end();
	      if (chunk && chunk.length) self.push(chunk);
	    }

	    self.push(null);
	  });
	  stream.on('data', function (chunk) {
	    debug('wrapped data');
	    if (state.decoder) chunk = state.decoder.write(chunk); // don't skip over falsy values in objectMode

	    if (state.objectMode && (chunk === null || chunk === undefined)) return;else if (!state.objectMode && (!chunk || !chunk.length)) return;
	    var ret = self.push(chunk);

	    if (!ret) {
	      paused = true;
	      stream.pause();
	    }
	  }); // proxy all the other methods.
	  // important when wrapping filters and duplexes.

	  for (var i in stream) {
	    if (this[i] === undefined && typeof stream[i] === 'function') {
	      this[i] = function (method) {
	        return function () {
	          return stream[method].apply(stream, arguments);
	        };
	      }(i);
	    }
	  } // proxy certain important events.


	  var events = ['error', 'close', 'destroy', 'pause', 'resume'];
	  forEach(events, function (ev) {
	    stream.on(ev, self.emit.bind(self, ev));
	  }); // when we try to consume some more bytes, simply unpause the
	  // underlying stream.

	  self._read = function (n) {
	    debug('wrapped _read', n);

	    if (paused) {
	      paused = false;
	      stream.resume();
	    }
	  };

	  return self;
	}; // exposed for testing purposes only.


	Readable._fromList = fromList; // Pluck off n bytes from an array of buffers.
	// Length is the combined lengths of all the buffers in the list.
	// This function is designed to be inlinable, so please take care when making
	// changes to the function body.

	function fromList(n, state) {
	  // nothing buffered
	  if (state.length === 0) return null;
	  var ret;
	  if (state.objectMode) ret = state.buffer.shift();else if (!n || n >= state.length) {
	    // read it all, truncate the list
	    if (state.decoder) ret = state.buffer.join('');else if (state.buffer.length === 1) ret = state.buffer.head.data;else ret = state.buffer.concat(state.length);
	    state.buffer.clear();
	  } else {
	    // read part of list
	    ret = fromListPartial(n, state.buffer, state.decoder);
	  }
	  return ret;
	} // Extracts only enough buffered data to satisfy the amount requested.
	// This function is designed to be inlinable, so please take care when making
	// changes to the function body.


	function fromListPartial(n, list, hasStrings) {
	  var ret;

	  if (n < list.head.data.length) {
	    // slice is the same for buffers and strings
	    ret = list.head.data.slice(0, n);
	    list.head.data = list.head.data.slice(n);
	  } else if (n === list.head.data.length) {
	    // first chunk is a perfect match
	    ret = list.shift();
	  } else {
	    // result spans more than one buffer
	    ret = hasStrings ? copyFromBufferString(n, list) : copyFromBuffer(n, list);
	  }

	  return ret;
	} // Copies a specified amount of characters from the list of buffered data
	// chunks.
	// This function is designed to be inlinable, so please take care when making
	// changes to the function body.


	function copyFromBufferString(n, list) {
	  var p = list.head;
	  var c = 1;
	  var ret = p.data;
	  n -= ret.length;

	  while (p = p.next) {
	    var str = p.data;
	    var nb = n > str.length ? str.length : n;
	    if (nb === str.length) ret += str;else ret += str.slice(0, n);
	    n -= nb;

	    if (n === 0) {
	      if (nb === str.length) {
	        ++c;
	        if (p.next) list.head = p.next;else list.head = list.tail = null;
	      } else {
	        list.head = p;
	        p.data = str.slice(nb);
	      }

	      break;
	    }

	    ++c;
	  }

	  list.length -= c;
	  return ret;
	} // Copies a specified amount of bytes from the list of buffered data chunks.
	// This function is designed to be inlinable, so please take care when making
	// changes to the function body.


	function copyFromBuffer(n, list) {
	  var ret = Buffer.allocUnsafe(n);
	  var p = list.head;
	  var c = 1;
	  p.data.copy(ret);
	  n -= p.data.length;

	  while (p = p.next) {
	    var buf = p.data;
	    var nb = n > buf.length ? buf.length : n;
	    buf.copy(ret, ret.length - n, 0, nb);
	    n -= nb;

	    if (n === 0) {
	      if (nb === buf.length) {
	        ++c;
	        if (p.next) list.head = p.next;else list.head = list.tail = null;
	      } else {
	        list.head = p;
	        p.data = buf.slice(nb);
	      }

	      break;
	    }

	    ++c;
	  }

	  list.length -= c;
	  return ret;
	}

	function endReadable(stream) {
	  var state = stream._readableState; // If we get here before consuming all the bytes, then that is a
	  // bug in node.  Should never happen.

	  if (state.length > 0) throw new Error('"endReadable()" called on non-empty stream');

	  if (!state.endEmitted) {
	    state.ended = true;
	    nextTick$1(endReadableNT, state, stream);
	  }
	}

	function endReadableNT(state, stream) {
	  // Check that we didn't get one last unshift.
	  if (!state.endEmitted && state.length === 0) {
	    state.endEmitted = true;
	    stream.readable = false;
	    stream.emit('end');
	  }
	}

	function forEach(xs, f) {
	  for (var i = 0, l = xs.length; i < l; i++) {
	    f(xs[i], i);
	  }
	}

	function indexOf$1(xs, x) {
	  for (var i = 0, l = xs.length; i < l; i++) {
	    if (xs[i] === x) return i;
	  }

	  return -1;
	}

	Writable.WritableState = WritableState;
	inherits$1(Writable, EventEmitter);

	function nop() {}

	function WriteReq(chunk, encoding, cb) {
	  this.chunk = chunk;
	  this.encoding = encoding;
	  this.callback = cb;
	  this.next = null;
	}

	function WritableState(options, stream) {
	  Object.defineProperty(this, 'buffer', {
	    get: deprecate(function () {
	      return this.getBuffer();
	    }, '_writableState.buffer is deprecated. Use _writableState.getBuffer ' + 'instead.')
	  });
	  options = options || {}; // object stream flag to indicate whether or not this stream
	  // contains buffers or objects.

	  this.objectMode = !!options.objectMode;
	  if (stream instanceof Duplex) this.objectMode = this.objectMode || !!options.writableObjectMode; // the point at which write() starts returning false
	  // Note: 0 is a valid value, means that we always return false if
	  // the entire buffer is not flushed immediately on write()

	  var hwm = options.highWaterMark;
	  var defaultHwm = this.objectMode ? 16 : 16 * 1024;
	  this.highWaterMark = hwm || hwm === 0 ? hwm : defaultHwm; // cast to ints.

	  this.highWaterMark = ~~this.highWaterMark;
	  this.needDrain = false; // at the start of calling end()

	  this.ending = false; // when end() has been called, and returned

	  this.ended = false; // when 'finish' is emitted

	  this.finished = false; // should we decode strings into buffers before passing to _write?
	  // this is here so that some node-core streams can optimize string
	  // handling at a lower level.

	  var noDecode = options.decodeStrings === false;
	  this.decodeStrings = !noDecode; // Crypto is kind of old and crusty.  Historically, its default string
	  // encoding is 'binary' so we have to make this configurable.
	  // Everything else in the universe uses 'utf8', though.

	  this.defaultEncoding = options.defaultEncoding || 'utf8'; // not an actual buffer we keep track of, but a measurement
	  // of how much we're waiting to get pushed to some underlying
	  // socket or file.

	  this.length = 0; // a flag to see when we're in the middle of a write.

	  this.writing = false; // when true all writes will be buffered until .uncork() call

	  this.corked = 0; // a flag to be able to tell if the onwrite cb is called immediately,
	  // or on a later tick.  We set this to true at first, because any
	  // actions that shouldn't happen until "later" should generally also
	  // not happen before the first write call.

	  this.sync = true; // a flag to know if we're processing previously buffered items, which
	  // may call the _write() callback in the same tick, so that we don't
	  // end up in an overlapped onwrite situation.

	  this.bufferProcessing = false; // the callback that's passed to _write(chunk,cb)

	  this.onwrite = function (er) {
	    onwrite(stream, er);
	  }; // the callback that the user supplies to write(chunk,encoding,cb)


	  this.writecb = null; // the amount that is being written when _write is called.

	  this.writelen = 0;
	  this.bufferedRequest = null;
	  this.lastBufferedRequest = null; // number of pending user-supplied write callbacks
	  // this must be 0 before 'finish' can be emitted

	  this.pendingcb = 0; // emit prefinish if the only thing we're waiting for is _write cbs
	  // This is relevant for synchronous Transform streams

	  this.prefinished = false; // True if the error was already emitted and should not be thrown again

	  this.errorEmitted = false; // count buffered requests

	  this.bufferedRequestCount = 0; // allocate the first CorkedRequest, there is always
	  // one allocated and free to use, and we maintain at most two

	  this.corkedRequestsFree = new CorkedRequest(this);
	}

	WritableState.prototype.getBuffer = function writableStateGetBuffer() {
	  var current = this.bufferedRequest;
	  var out = [];

	  while (current) {
	    out.push(current);
	    current = current.next;
	  }

	  return out;
	};
	function Writable(options) {
	  // Writable ctor is applied to Duplexes, though they're not
	  // instanceof Writable, they're instanceof Readable.
	  if (!(this instanceof Writable) && !(this instanceof Duplex)) return new Writable(options);
	  this._writableState = new WritableState(options, this); // legacy.

	  this.writable = true;

	  if (options) {
	    if (typeof options.write === 'function') this._write = options.write;
	    if (typeof options.writev === 'function') this._writev = options.writev;
	  }

	  EventEmitter.call(this);
	} // Otherwise people can pipe Writable streams, which is just wrong.

	Writable.prototype.pipe = function () {
	  this.emit('error', new Error('Cannot pipe, not readable'));
	};

	function writeAfterEnd(stream, cb) {
	  var er = new Error('write after end'); // TODO: defer error events consistently everywhere, not just the cb

	  stream.emit('error', er);
	  nextTick$1(cb, er);
	} // If we get something that is not a buffer, string, null, or undefined,
	// and we're not in objectMode, then that's an error.
	// Otherwise stream chunks are all considered to be of length=1, and the
	// watermarks determine how many objects to keep in the buffer, rather than
	// how many bytes or characters.


	function validChunk(stream, state, chunk, cb) {
	  var valid = true;
	  var er = false; // Always throw error if a null is written
	  // if we are not in object mode then throw
	  // if it is not a buffer, string, or undefined.

	  if (chunk === null) {
	    er = new TypeError('May not write null values to stream');
	  } else if (!Buffer$1.isBuffer(chunk) && typeof chunk !== 'string' && chunk !== undefined && !state.objectMode) {
	    er = new TypeError('Invalid non-string/buffer chunk');
	  }

	  if (er) {
	    stream.emit('error', er);
	    nextTick$1(cb, er);
	    valid = false;
	  }

	  return valid;
	}

	Writable.prototype.write = function (chunk, encoding, cb) {
	  var state = this._writableState;
	  var ret = false;

	  if (typeof encoding === 'function') {
	    cb = encoding;
	    encoding = null;
	  }

	  if (Buffer$1.isBuffer(chunk)) encoding = 'buffer';else if (!encoding) encoding = state.defaultEncoding;
	  if (typeof cb !== 'function') cb = nop;
	  if (state.ended) writeAfterEnd(this, cb);else if (validChunk(this, state, chunk, cb)) {
	    state.pendingcb++;
	    ret = writeOrBuffer(this, state, chunk, encoding, cb);
	  }
	  return ret;
	};

	Writable.prototype.cork = function () {
	  var state = this._writableState;
	  state.corked++;
	};

	Writable.prototype.uncork = function () {
	  var state = this._writableState;

	  if (state.corked) {
	    state.corked--;
	    if (!state.writing && !state.corked && !state.finished && !state.bufferProcessing && state.bufferedRequest) clearBuffer(this, state);
	  }
	};

	Writable.prototype.setDefaultEncoding = function setDefaultEncoding(encoding) {
	  // node::ParseEncoding() requires lower case.
	  if (typeof encoding === 'string') encoding = encoding.toLowerCase();
	  if (!(['hex', 'utf8', 'utf-8', 'ascii', 'binary', 'base64', 'ucs2', 'ucs-2', 'utf16le', 'utf-16le', 'raw'].indexOf((encoding + '').toLowerCase()) > -1)) throw new TypeError('Unknown encoding: ' + encoding);
	  this._writableState.defaultEncoding = encoding;
	  return this;
	};

	function decodeChunk(state, chunk, encoding) {
	  if (!state.objectMode && state.decodeStrings !== false && typeof chunk === 'string') {
	    chunk = Buffer$1.from(chunk, encoding);
	  }

	  return chunk;
	} // if we're already writing something, then just put this
	// in the queue, and wait our turn.  Otherwise, call _write
	// If we return false, then we need a drain event, so set that flag.


	function writeOrBuffer(stream, state, chunk, encoding, cb) {
	  chunk = decodeChunk(state, chunk, encoding);
	  if (Buffer$1.isBuffer(chunk)) encoding = 'buffer';
	  var len = state.objectMode ? 1 : chunk.length;
	  state.length += len;
	  var ret = state.length < state.highWaterMark; // we must ensure that previous needDrain will not be reset to false.

	  if (!ret) state.needDrain = true;

	  if (state.writing || state.corked) {
	    var last = state.lastBufferedRequest;
	    state.lastBufferedRequest = new WriteReq(chunk, encoding, cb);

	    if (last) {
	      last.next = state.lastBufferedRequest;
	    } else {
	      state.bufferedRequest = state.lastBufferedRequest;
	    }

	    state.bufferedRequestCount += 1;
	  } else {
	    doWrite(stream, state, false, len, chunk, encoding, cb);
	  }

	  return ret;
	}

	function doWrite(stream, state, writev, len, chunk, encoding, cb) {
	  state.writelen = len;
	  state.writecb = cb;
	  state.writing = true;
	  state.sync = true;
	  if (writev) stream._writev(chunk, state.onwrite);else stream._write(chunk, encoding, state.onwrite);
	  state.sync = false;
	}

	function onwriteError(stream, state, sync, er, cb) {
	  --state.pendingcb;
	  if (sync) nextTick$1(cb, er);else cb(er);
	  stream._writableState.errorEmitted = true;
	  stream.emit('error', er);
	}

	function onwriteStateUpdate(state) {
	  state.writing = false;
	  state.writecb = null;
	  state.length -= state.writelen;
	  state.writelen = 0;
	}

	function onwrite(stream, er) {
	  var state = stream._writableState;
	  var sync = state.sync;
	  var cb = state.writecb;
	  onwriteStateUpdate(state);
	  if (er) onwriteError(stream, state, sync, er, cb);else {
	    // Check if we're actually ready to finish, but don't emit yet
	    var finished = needFinish(state);

	    if (!finished && !state.corked && !state.bufferProcessing && state.bufferedRequest) {
	      clearBuffer(stream, state);
	    }

	    if (sync) {
	      /*<replacement>*/
	      nextTick$1(afterWrite, stream, state, finished, cb);
	      /*</replacement>*/
	    } else {
	      afterWrite(stream, state, finished, cb);
	    }
	  }
	}

	function afterWrite(stream, state, finished, cb) {
	  if (!finished) onwriteDrain(stream, state);
	  state.pendingcb--;
	  cb();
	  finishMaybe(stream, state);
	} // Must force callback to be called on nextTick, so that we don't
	// emit 'drain' before the write() consumer gets the 'false' return
	// value, and has a chance to attach a 'drain' listener.


	function onwriteDrain(stream, state) {
	  if (state.length === 0 && state.needDrain) {
	    state.needDrain = false;
	    stream.emit('drain');
	  }
	} // if there's something in the buffer waiting, then process it


	function clearBuffer(stream, state) {
	  state.bufferProcessing = true;
	  var entry = state.bufferedRequest;

	  if (stream._writev && entry && entry.next) {
	    // Fast case, write everything using _writev()
	    var l = state.bufferedRequestCount;
	    var buffer = new Array(l);
	    var holder = state.corkedRequestsFree;
	    holder.entry = entry;
	    var count = 0;

	    while (entry) {
	      buffer[count] = entry;
	      entry = entry.next;
	      count += 1;
	    }

	    doWrite(stream, state, true, state.length, buffer, '', holder.finish); // doWrite is almost always async, defer these to save a bit of time
	    // as the hot path ends with doWrite

	    state.pendingcb++;
	    state.lastBufferedRequest = null;

	    if (holder.next) {
	      state.corkedRequestsFree = holder.next;
	      holder.next = null;
	    } else {
	      state.corkedRequestsFree = new CorkedRequest(state);
	    }
	  } else {
	    // Slow case, write chunks one-by-one
	    while (entry) {
	      var chunk = entry.chunk;
	      var encoding = entry.encoding;
	      var cb = entry.callback;
	      var len = state.objectMode ? 1 : chunk.length;
	      doWrite(stream, state, false, len, chunk, encoding, cb);
	      entry = entry.next; // if we didn't call the onwrite immediately, then
	      // it means that we need to wait until it does.
	      // also, that means that the chunk and cb are currently
	      // being processed, so move the buffer counter past them.

	      if (state.writing) {
	        break;
	      }
	    }

	    if (entry === null) state.lastBufferedRequest = null;
	  }

	  state.bufferedRequestCount = 0;
	  state.bufferedRequest = entry;
	  state.bufferProcessing = false;
	}

	Writable.prototype._write = function (chunk, encoding, cb) {
	  cb(new Error('not implemented'));
	};

	Writable.prototype._writev = null;

	Writable.prototype.end = function (chunk, encoding, cb) {
	  var state = this._writableState;

	  if (typeof chunk === 'function') {
	    cb = chunk;
	    chunk = null;
	    encoding = null;
	  } else if (typeof encoding === 'function') {
	    cb = encoding;
	    encoding = null;
	  }

	  if (chunk !== null && chunk !== undefined) this.write(chunk, encoding); // .end() fully uncorks

	  if (state.corked) {
	    state.corked = 1;
	    this.uncork();
	  } // ignore unnecessary end() calls.


	  if (!state.ending && !state.finished) endWritable(this, state, cb);
	};

	function needFinish(state) {
	  return state.ending && state.length === 0 && state.bufferedRequest === null && !state.finished && !state.writing;
	}

	function prefinish(stream, state) {
	  if (!state.prefinished) {
	    state.prefinished = true;
	    stream.emit('prefinish');
	  }
	}

	function finishMaybe(stream, state) {
	  var need = needFinish(state);

	  if (need) {
	    if (state.pendingcb === 0) {
	      prefinish(stream, state);
	      state.finished = true;
	      stream.emit('finish');
	    } else {
	      prefinish(stream, state);
	    }
	  }

	  return need;
	}

	function endWritable(stream, state, cb) {
	  state.ending = true;
	  finishMaybe(stream, state);

	  if (cb) {
	    if (state.finished) nextTick$1(cb);else stream.once('finish', cb);
	  }

	  state.ended = true;
	  stream.writable = false;
	} // It seems a linked list but it is not
	// there will be only 2 of these for each stream


	function CorkedRequest(state) {
	  var _this = this;

	  this.next = null;
	  this.entry = null;

	  this.finish = function (err) {
	    var entry = _this.entry;
	    _this.entry = null;

	    while (entry) {
	      var cb = entry.callback;
	      state.pendingcb--;
	      cb(err);
	      entry = entry.next;
	    }

	    if (state.corkedRequestsFree) {
	      state.corkedRequestsFree.next = _this;
	    } else {
	      state.corkedRequestsFree = _this;
	    }
	  };
	}

	inherits$1(Duplex, Readable);
	var keys$4 = Object.keys(Writable.prototype);

	for (var v = 0; v < keys$4.length; v++) {
	  var method = keys$4[v];
	  if (!Duplex.prototype[method]) Duplex.prototype[method] = Writable.prototype[method];
	}
	function Duplex(options) {
	  if (!(this instanceof Duplex)) return new Duplex(options);
	  Readable.call(this, options);
	  Writable.call(this, options);
	  if (options && options.readable === false) this.readable = false;
	  if (options && options.writable === false) this.writable = false;
	  this.allowHalfOpen = true;
	  if (options && options.allowHalfOpen === false) this.allowHalfOpen = false;
	  this.once('end', onend);
	} // the no-half-open enforcer

	function onend() {
	  // if we allow half-open state, or if the writable side ended,
	  // then we're ok.
	  if (this.allowHalfOpen || this._writableState.ended) return; // no more data can be written.
	  // But allow more writes to happen in this tick.

	  nextTick$1(onEndNT, this);
	}

	function onEndNT(self) {
	  self.end();
	}

	// a transform stream is a readable/writable stream where you do
	inherits$1(Transform, Duplex);

	function TransformState(stream) {
	  this.afterTransform = function (er, data) {
	    return afterTransform(stream, er, data);
	  };

	  this.needTransform = false;
	  this.transforming = false;
	  this.writecb = null;
	  this.writechunk = null;
	  this.writeencoding = null;
	}

	function afterTransform(stream, er, data) {
	  var ts = stream._transformState;
	  ts.transforming = false;
	  var cb = ts.writecb;
	  if (!cb) return stream.emit('error', new Error('no writecb in Transform class'));
	  ts.writechunk = null;
	  ts.writecb = null;
	  if (data !== null && data !== undefined) stream.push(data);
	  cb(er);
	  var rs = stream._readableState;
	  rs.reading = false;

	  if (rs.needReadable || rs.length < rs.highWaterMark) {
	    stream._read(rs.highWaterMark);
	  }
	}
	function Transform(options) {
	  if (!(this instanceof Transform)) return new Transform(options);
	  Duplex.call(this, options);
	  this._transformState = new TransformState(this); // when the writable side finishes, then flush out anything remaining.

	  var stream = this; // start out asking for a readable event once data is transformed.

	  this._readableState.needReadable = true; // we have implemented the _read method, and done the other things
	  // that Readable wants before the first _read call, so unset the
	  // sync guard flag.

	  this._readableState.sync = false;

	  if (options) {
	    if (typeof options.transform === 'function') this._transform = options.transform;
	    if (typeof options.flush === 'function') this._flush = options.flush;
	  }

	  this.once('prefinish', function () {
	    if (typeof this._flush === 'function') this._flush(function (er) {
	      done(stream, er);
	    });else done(stream);
	  });
	}

	Transform.prototype.push = function (chunk, encoding) {
	  this._transformState.needTransform = false;
	  return Duplex.prototype.push.call(this, chunk, encoding);
	}; // This is the part where you do stuff!
	// override this function in implementation classes.
	// 'chunk' is an input chunk.
	//
	// Call `push(newChunk)` to pass along transformed output
	// to the readable side.  You may call 'push' zero or more times.
	//
	// Call `cb(err)` when you are done with this chunk.  If you pass
	// an error, then that'll put the hurt on the whole operation.  If you
	// never call cb(), then you'll never get another chunk.


	Transform.prototype._transform = function (chunk, encoding, cb) {
	  throw new Error('Not implemented');
	};

	Transform.prototype._write = function (chunk, encoding, cb) {
	  var ts = this._transformState;
	  ts.writecb = cb;
	  ts.writechunk = chunk;
	  ts.writeencoding = encoding;

	  if (!ts.transforming) {
	    var rs = this._readableState;
	    if (ts.needTransform || rs.needReadable || rs.length < rs.highWaterMark) this._read(rs.highWaterMark);
	  }
	}; // Doesn't matter what the args are here.
	// _transform does all the work.
	// That we got here means that the readable side wants more data.


	Transform.prototype._read = function (n) {
	  var ts = this._transformState;

	  if (ts.writechunk !== null && ts.writecb && !ts.transforming) {
	    ts.transforming = true;

	    this._transform(ts.writechunk, ts.writeencoding, ts.afterTransform);
	  } else {
	    // mark that we need a transform, so that any data that comes in
	    // will get processed, now that we've asked for it.
	    ts.needTransform = true;
	  }
	};

	function done(stream, er) {
	  if (er) return stream.emit('error', er); // if there's nothing in the write buffer, then that means
	  // that nothing more will ever be provided

	  var ws = stream._writableState;
	  var ts = stream._transformState;
	  if (ws.length) throw new Error('Calling transform done when ws.length != 0');
	  if (ts.transforming) throw new Error('Calling transform done when still transforming');
	  return stream.push(null);
	}

	inherits$1(PassThrough, Transform);
	function PassThrough(options) {
	  if (!(this instanceof PassThrough)) return new PassThrough(options);
	  Transform.call(this, options);
	}

	PassThrough.prototype._transform = function (chunk, encoding, cb) {
	  cb(null, chunk);
	};

	inherits$1(Stream, EventEmitter);
	Stream.Readable = Readable;
	Stream.Writable = Writable;
	Stream.Duplex = Duplex;
	Stream.Transform = Transform;
	Stream.PassThrough = PassThrough; // Backwards-compat with node 0.4.x

	Stream.Stream = Stream;
	// part of this class) is overridden in the Readable class.

	function Stream() {
	  EventEmitter.call(this);
	}

	Stream.prototype.pipe = function (dest, options) {
	  var source = this;

	  function ondata(chunk) {
	    if (dest.writable) {
	      if (false === dest.write(chunk) && source.pause) {
	        source.pause();
	      }
	    }
	  }

	  source.on('data', ondata);

	  function ondrain() {
	    if (source.readable && source.resume) {
	      source.resume();
	    }
	  }

	  dest.on('drain', ondrain); // If the 'end' option is not supplied, dest.end() will be called when
	  // source gets the 'end' or 'close' events.  Only dest.end() once.

	  if (!dest._isStdio && (!options || options.end !== false)) {
	    source.on('end', onend);
	    source.on('close', onclose);
	  }

	  var didOnEnd = false;

	  function onend() {
	    if (didOnEnd) return;
	    didOnEnd = true;
	    dest.end();
	  }

	  function onclose() {
	    if (didOnEnd) return;
	    didOnEnd = true;
	    if (typeof dest.destroy === 'function') dest.destroy();
	  } // don't leave dangling pipes when there are errors.


	  function onerror(er) {
	    cleanup();

	    if (EventEmitter.listenerCount(this, 'error') === 0) {
	      throw er; // Unhandled stream error in pipe.
	    }
	  }

	  source.on('error', onerror);
	  dest.on('error', onerror); // remove all the event listeners that were added.

	  function cleanup() {
	    source.removeListener('data', ondata);
	    dest.removeListener('drain', ondrain);
	    source.removeListener('end', onend);
	    source.removeListener('close', onclose);
	    source.removeListener('error', onerror);
	    dest.removeListener('error', onerror);
	    source.removeListener('end', cleanup);
	    source.removeListener('close', cleanup);
	    dest.removeListener('close', cleanup);
	  }

	  source.on('end', cleanup);
	  source.on('close', cleanup);
	  dest.on('close', cleanup);
	  dest.emit('pipe', source); // Allow for unix-like usage: A.pipe(B).pipe(C)

	  return dest;
	};

	var WritableStream = Stream.Writable;
	var inherits$2 = util.inherits;
	var browserStdout = BrowserStdout;
	inherits$2(BrowserStdout, WritableStream);

	function BrowserStdout(opts) {
	  if (!(this instanceof BrowserStdout)) return new BrowserStdout(opts);
	  opts = opts || {};
	  WritableStream.call(this, opts);
	  this.label = opts.label !== undefined ? opts.label : 'stdout';
	}

	BrowserStdout.prototype._write = function (chunks, encoding, cb) {
	  var output = chunks.toString ? chunks.toString() : chunks;

	  if (this.label === false) {
	    console.log(output);
	  } else {
	    console.log(this.label + ':', output);
	  }

	  nextTick(cb);
	};

	var parseQuery = function parseQuery(qs) {
	  return qs.replace('?', '').split('&').reduce(function (obj, pair) {
	    var i = pair.indexOf('=');
	    var key = pair.slice(0, i);
	    var val = pair.slice(++i); // Due to how the URLSearchParams API treats spaces

	    obj[key] = decodeURIComponent(val.replace(/\+/g, '%20'));
	    return obj;
	  }, {});
	};

	function highlight(js) {
	  return js.replace(/</g, '&lt;').replace(/>/g, '&gt;').replace(/\/\/(.*)/gm, '<span class="comment">//$1</span>').replace(/('.*?')/gm, '<span class="string">$1</span>').replace(/(\d+\.\d+)/gm, '<span class="number">$1</span>').replace(/(\d+)/gm, '<span class="number">$1</span>').replace(/\bnew[ \t]+(\w+)/gm, '<span class="keyword">new</span> <span class="init">$1</span>').replace(/\b(function|new|throw|return|var|if|else)\b/gm, '<span class="keyword">$1</span>');
	}
	/**
	 * Highlight the contents of tag `name`.
	 *
	 * @private
	 * @param {string} name
	 */


	var highlightTags = function highlightTags(name) {
	  var code = document.getElementById('mocha').getElementsByTagName(name);

	  for (var i = 0, len = code.length; i < len; ++i) {
	    code[i].innerHTML = highlight(code[i].innerHTML);
	  }
	};

	var nativePromiseConstructor = global_1.Promise;

	// call something on iterator step with safe closing on error
	var callWithSafeIterationClosing = function (iterator, fn, value, ENTRIES) {
	  try {
	    return ENTRIES ? fn(anObject(value)[0], value[1]) : fn(value);
	  // 7.4.6 IteratorClose(iterator, completion)
	  } catch (error) {
	    var returnMethod = iterator['return'];
	    if (returnMethod !== undefined) anObject(returnMethod.call(iterator));
	    throw error;
	  }
	};

	var iterate_1 = createCommonjsModule(function (module) {
	var Result = function (stopped, result) {
	  this.stopped = stopped;
	  this.result = result;
	};

	var iterate = module.exports = function (iterable, fn, that, AS_ENTRIES, IS_ITERATOR) {
	  var boundFunction = functionBindContext(fn, that, AS_ENTRIES ? 2 : 1);
	  var iterator, iterFn, index, length, result, next, step;

	  if (IS_ITERATOR) {
	    iterator = iterable;
	  } else {
	    iterFn = getIteratorMethod(iterable);
	    if (typeof iterFn != 'function') throw TypeError('Target is not iterable');
	    // optimisation for array iterators
	    if (isArrayIteratorMethod(iterFn)) {
	      for (index = 0, length = toLength(iterable.length); length > index; index++) {
	        result = AS_ENTRIES
	          ? boundFunction(anObject(step = iterable[index])[0], step[1])
	          : boundFunction(iterable[index]);
	        if (result && result instanceof Result) return result;
	      } return new Result(false);
	    }
	    iterator = iterFn.call(iterable);
	  }

	  next = iterator.next;
	  while (!(step = next.call(iterator)).done) {
	    result = callWithSafeIterationClosing(iterator, boundFunction, step.value, AS_ENTRIES);
	    if (typeof result == 'object' && result && result instanceof Result) return result;
	  } return new Result(false);
	};

	iterate.stop = function (result) {
	  return new Result(true, result);
	};
	});

	var engineIsIos = /(iphone|ipod|ipad).*applewebkit/i.test(engineUserAgent);

	var location$1 = global_1.location;
	var set$2 = global_1.setImmediate;
	var clear = global_1.clearImmediate;
	var process$2 = global_1.process;
	var MessageChannel = global_1.MessageChannel;
	var Dispatch = global_1.Dispatch;
	var counter = 0;
	var queue$2 = {};
	var ONREADYSTATECHANGE = 'onreadystatechange';
	var defer, channel, port;

	var run = function (id) {
	  // eslint-disable-next-line no-prototype-builtins
	  if (queue$2.hasOwnProperty(id)) {
	    var fn = queue$2[id];
	    delete queue$2[id];
	    fn();
	  }
	};

	var runner = function (id) {
	  return function () {
	    run(id);
	  };
	};

	var listener = function (event) {
	  run(event.data);
	};

	var post = function (id) {
	  // old engines have not location.origin
	  global_1.postMessage(id + '', location$1.protocol + '//' + location$1.host);
	};

	// Node.js 0.9+ & IE10+ has setImmediate, otherwise:
	if (!set$2 || !clear) {
	  set$2 = function setImmediate(fn) {
	    var args = [];
	    var i = 1;
	    while (arguments.length > i) args.push(arguments[i++]);
	    queue$2[++counter] = function () {
	      // eslint-disable-next-line no-new-func
	      (typeof fn == 'function' ? fn : Function(fn)).apply(undefined, args);
	    };
	    defer(counter);
	    return counter;
	  };
	  clear = function clearImmediate(id) {
	    delete queue$2[id];
	  };
	  // Node.js 0.8-
	  if (classofRaw(process$2) == 'process') {
	    defer = function (id) {
	      process$2.nextTick(runner(id));
	    };
	  // Sphere (JS game engine) Dispatch API
	  } else if (Dispatch && Dispatch.now) {
	    defer = function (id) {
	      Dispatch.now(runner(id));
	    };
	  // Browsers with MessageChannel, includes WebWorkers
	  // except iOS - https://github.com/zloirock/core-js/issues/624
	  } else if (MessageChannel && !engineIsIos) {
	    channel = new MessageChannel();
	    port = channel.port2;
	    channel.port1.onmessage = listener;
	    defer = functionBindContext(port.postMessage, port, 1);
	  // Browsers with postMessage, skip WebWorkers
	  // IE8 has postMessage, but it's sync & typeof its postMessage is 'object'
	  } else if (
	    global_1.addEventListener &&
	    typeof postMessage == 'function' &&
	    !global_1.importScripts &&
	    !fails(post) &&
	    location$1.protocol !== 'file:'
	  ) {
	    defer = post;
	    global_1.addEventListener('message', listener, false);
	  // IE8-
	  } else if (ONREADYSTATECHANGE in documentCreateElement('script')) {
	    defer = function (id) {
	      html.appendChild(documentCreateElement('script'))[ONREADYSTATECHANGE] = function () {
	        html.removeChild(this);
	        run(id);
	      };
	    };
	  // Rest old browsers
	  } else {
	    defer = function (id) {
	      setTimeout(runner(id), 0);
	    };
	  }
	}

	var task = {
	  set: set$2,
	  clear: clear
	};

	var getOwnPropertyDescriptor$3 = objectGetOwnPropertyDescriptor.f;

	var macrotask = task.set;


	var MutationObserver = global_1.MutationObserver || global_1.WebKitMutationObserver;
	var process$3 = global_1.process;
	var Promise$1 = global_1.Promise;
	var IS_NODE = classofRaw(process$3) == 'process';
	// Node.js 11 shows ExperimentalWarning on getting `queueMicrotask`
	var queueMicrotaskDescriptor = getOwnPropertyDescriptor$3(global_1, 'queueMicrotask');
	var queueMicrotask = queueMicrotaskDescriptor && queueMicrotaskDescriptor.value;

	var flush, head, last, notify, toggle, node, promise, then;

	// modern engines have queueMicrotask method
	if (!queueMicrotask) {
	  flush = function () {
	    var parent, fn;
	    if (IS_NODE && (parent = process$3.domain)) parent.exit();
	    while (head) {
	      fn = head.fn;
	      head = head.next;
	      try {
	        fn();
	      } catch (error) {
	        if (head) notify();
	        else last = undefined;
	        throw error;
	      }
	    } last = undefined;
	    if (parent) parent.enter();
	  };

	  // Node.js
	  if (IS_NODE) {
	    notify = function () {
	      process$3.nextTick(flush);
	    };
	  // browsers with MutationObserver, except iOS - https://github.com/zloirock/core-js/issues/339
	  } else if (MutationObserver && !engineIsIos) {
	    toggle = true;
	    node = document.createTextNode('');
	    new MutationObserver(flush).observe(node, { characterData: true });
	    notify = function () {
	      node.data = toggle = !toggle;
	    };
	  // environments with maybe non-completely correct, but existent Promise
	  } else if (Promise$1 && Promise$1.resolve) {
	    // Promise.resolve without an argument throws an error in LG WebOS 2
	    promise = Promise$1.resolve(undefined);
	    then = promise.then;
	    notify = function () {
	      then.call(promise, flush);
	    };
	  // for other environments - macrotask based on:
	  // - setImmediate
	  // - MessageChannel
	  // - window.postMessag
	  // - onreadystatechange
	  // - setTimeout
	  } else {
	    notify = function () {
	      // strange IE + webpack dev server bug - use .call(global)
	      macrotask.call(global_1, flush);
	    };
	  }
	}

	var microtask = queueMicrotask || function (fn) {
	  var task = { fn: fn, next: undefined };
	  if (last) last.next = task;
	  if (!head) {
	    head = task;
	    notify();
	  } last = task;
	};

	var PromiseCapability = function (C) {
	  var resolve, reject;
	  this.promise = new C(function ($$resolve, $$reject) {
	    if (resolve !== undefined || reject !== undefined) throw TypeError('Bad Promise constructor');
	    resolve = $$resolve;
	    reject = $$reject;
	  });
	  this.resolve = aFunction$1(resolve);
	  this.reject = aFunction$1(reject);
	};

	// 25.4.1.5 NewPromiseCapability(C)
	var f$7 = function (C) {
	  return new PromiseCapability(C);
	};

	var newPromiseCapability = {
		f: f$7
	};

	var promiseResolve = function (C, x) {
	  anObject(C);
	  if (isObject(x) && x.constructor === C) return x;
	  var promiseCapability = newPromiseCapability.f(C);
	  var resolve = promiseCapability.resolve;
	  resolve(x);
	  return promiseCapability.promise;
	};

	var hostReportErrors = function (a, b) {
	  var console = global_1.console;
	  if (console && console.error) {
	    arguments.length === 1 ? console.error(a) : console.error(a, b);
	  }
	};

	var perform = function (exec) {
	  try {
	    return { error: false, value: exec() };
	  } catch (error) {
	    return { error: true, value: error };
	  }
	};

	var task$1 = task.set;










	var SPECIES$6 = wellKnownSymbol('species');
	var PROMISE = 'Promise';
	var getInternalState$3 = internalState.get;
	var setInternalState$4 = internalState.set;
	var getInternalPromiseState = internalState.getterFor(PROMISE);
	var PromiseConstructor = nativePromiseConstructor;
	var TypeError$1 = global_1.TypeError;
	var document$2 = global_1.document;
	var process$4 = global_1.process;
	var $fetch = getBuiltIn('fetch');
	var newPromiseCapability$1 = newPromiseCapability.f;
	var newGenericPromiseCapability = newPromiseCapability$1;
	var IS_NODE$1 = classofRaw(process$4) == 'process';
	var DISPATCH_EVENT = !!(document$2 && document$2.createEvent && global_1.dispatchEvent);
	var UNHANDLED_REJECTION = 'unhandledrejection';
	var REJECTION_HANDLED = 'rejectionhandled';
	var PENDING = 0;
	var FULFILLED = 1;
	var REJECTED = 2;
	var HANDLED = 1;
	var UNHANDLED = 2;
	var Internal, OwnPromiseCapability, PromiseWrapper, nativeThen;

	var FORCED$7 = isForced_1(PROMISE, function () {
	  var GLOBAL_CORE_JS_PROMISE = inspectSource(PromiseConstructor) !== String(PromiseConstructor);
	  if (!GLOBAL_CORE_JS_PROMISE) {
	    // V8 6.6 (Node 10 and Chrome 66) have a bug with resolving custom thenables
	    // https://bugs.chromium.org/p/chromium/issues/detail?id=830565
	    // We can't detect it synchronously, so just check versions
	    if (engineV8Version === 66) return true;
	    // Unhandled rejections tracking support, NodeJS Promise without it fails @@species test
	    if (!IS_NODE$1 && typeof PromiseRejectionEvent != 'function') return true;
	  }
	  // We can't use @@species feature detection in V8 since it causes
	  // deoptimization and performance degradation
	  // https://github.com/zloirock/core-js/issues/679
	  if (engineV8Version >= 51 && /native code/.test(PromiseConstructor)) return false;
	  // Detect correctness of subclassing with @@species support
	  var promise = PromiseConstructor.resolve(1);
	  var FakePromise = function (exec) {
	    exec(function () { /* empty */ }, function () { /* empty */ });
	  };
	  var constructor = promise.constructor = {};
	  constructor[SPECIES$6] = FakePromise;
	  return !(promise.then(function () { /* empty */ }) instanceof FakePromise);
	});

	var INCORRECT_ITERATION = FORCED$7 || !checkCorrectnessOfIteration(function (iterable) {
	  PromiseConstructor.all(iterable)['catch'](function () { /* empty */ });
	});

	// helpers
	var isThenable = function (it) {
	  var then;
	  return isObject(it) && typeof (then = it.then) == 'function' ? then : false;
	};

	var notify$1 = function (promise, state, isReject) {
	  if (state.notified) return;
	  state.notified = true;
	  var chain = state.reactions;
	  microtask(function () {
	    var value = state.value;
	    var ok = state.state == FULFILLED;
	    var index = 0;
	    // variable length - can't use forEach
	    while (chain.length > index) {
	      var reaction = chain[index++];
	      var handler = ok ? reaction.ok : reaction.fail;
	      var resolve = reaction.resolve;
	      var reject = reaction.reject;
	      var domain = reaction.domain;
	      var result, then, exited;
	      try {
	        if (handler) {
	          if (!ok) {
	            if (state.rejection === UNHANDLED) onHandleUnhandled(promise, state);
	            state.rejection = HANDLED;
	          }
	          if (handler === true) result = value;
	          else {
	            if (domain) domain.enter();
	            result = handler(value); // can throw
	            if (domain) {
	              domain.exit();
	              exited = true;
	            }
	          }
	          if (result === reaction.promise) {
	            reject(TypeError$1('Promise-chain cycle'));
	          } else if (then = isThenable(result)) {
	            then.call(result, resolve, reject);
	          } else resolve(result);
	        } else reject(value);
	      } catch (error) {
	        if (domain && !exited) domain.exit();
	        reject(error);
	      }
	    }
	    state.reactions = [];
	    state.notified = false;
	    if (isReject && !state.rejection) onUnhandled(promise, state);
	  });
	};

	var dispatchEvent = function (name, promise, reason) {
	  var event, handler;
	  if (DISPATCH_EVENT) {
	    event = document$2.createEvent('Event');
	    event.promise = promise;
	    event.reason = reason;
	    event.initEvent(name, false, true);
	    global_1.dispatchEvent(event);
	  } else event = { promise: promise, reason: reason };
	  if (handler = global_1['on' + name]) handler(event);
	  else if (name === UNHANDLED_REJECTION) hostReportErrors('Unhandled promise rejection', reason);
	};

	var onUnhandled = function (promise, state) {
	  task$1.call(global_1, function () {
	    var value = state.value;
	    var IS_UNHANDLED = isUnhandled(state);
	    var result;
	    if (IS_UNHANDLED) {
	      result = perform(function () {
	        if (IS_NODE$1) {
	          process$4.emit('unhandledRejection', value, promise);
	        } else dispatchEvent(UNHANDLED_REJECTION, promise, value);
	      });
	      // Browsers should not trigger `rejectionHandled` event if it was handled here, NodeJS - should
	      state.rejection = IS_NODE$1 || isUnhandled(state) ? UNHANDLED : HANDLED;
	      if (result.error) throw result.value;
	    }
	  });
	};

	var isUnhandled = function (state) {
	  return state.rejection !== HANDLED && !state.parent;
	};

	var onHandleUnhandled = function (promise, state) {
	  task$1.call(global_1, function () {
	    if (IS_NODE$1) {
	      process$4.emit('rejectionHandled', promise);
	    } else dispatchEvent(REJECTION_HANDLED, promise, state.value);
	  });
	};

	var bind = function (fn, promise, state, unwrap) {
	  return function (value) {
	    fn(promise, state, value, unwrap);
	  };
	};

	var internalReject = function (promise, state, value, unwrap) {
	  if (state.done) return;
	  state.done = true;
	  if (unwrap) state = unwrap;
	  state.value = value;
	  state.state = REJECTED;
	  notify$1(promise, state, true);
	};

	var internalResolve = function (promise, state, value, unwrap) {
	  if (state.done) return;
	  state.done = true;
	  if (unwrap) state = unwrap;
	  try {
	    if (promise === value) throw TypeError$1("Promise can't be resolved itself");
	    var then = isThenable(value);
	    if (then) {
	      microtask(function () {
	        var wrapper = { done: false };
	        try {
	          then.call(value,
	            bind(internalResolve, promise, wrapper, state),
	            bind(internalReject, promise, wrapper, state)
	          );
	        } catch (error) {
	          internalReject(promise, wrapper, error, state);
	        }
	      });
	    } else {
	      state.value = value;
	      state.state = FULFILLED;
	      notify$1(promise, state, false);
	    }
	  } catch (error) {
	    internalReject(promise, { done: false }, error, state);
	  }
	};

	// constructor polyfill
	if (FORCED$7) {
	  // 25.4.3.1 Promise(executor)
	  PromiseConstructor = function Promise(executor) {
	    anInstance(this, PromiseConstructor, PROMISE);
	    aFunction$1(executor);
	    Internal.call(this);
	    var state = getInternalState$3(this);
	    try {
	      executor(bind(internalResolve, this, state), bind(internalReject, this, state));
	    } catch (error) {
	      internalReject(this, state, error);
	    }
	  };
	  // eslint-disable-next-line no-unused-vars
	  Internal = function Promise(executor) {
	    setInternalState$4(this, {
	      type: PROMISE,
	      done: false,
	      notified: false,
	      parent: false,
	      reactions: [],
	      rejection: false,
	      state: PENDING,
	      value: undefined
	    });
	  };
	  Internal.prototype = redefineAll(PromiseConstructor.prototype, {
	    // `Promise.prototype.then` method
	    // https://tc39.github.io/ecma262/#sec-promise.prototype.then
	    then: function then(onFulfilled, onRejected) {
	      var state = getInternalPromiseState(this);
	      var reaction = newPromiseCapability$1(speciesConstructor(this, PromiseConstructor));
	      reaction.ok = typeof onFulfilled == 'function' ? onFulfilled : true;
	      reaction.fail = typeof onRejected == 'function' && onRejected;
	      reaction.domain = IS_NODE$1 ? process$4.domain : undefined;
	      state.parent = true;
	      state.reactions.push(reaction);
	      if (state.state != PENDING) notify$1(this, state, false);
	      return reaction.promise;
	    },
	    // `Promise.prototype.catch` method
	    // https://tc39.github.io/ecma262/#sec-promise.prototype.catch
	    'catch': function (onRejected) {
	      return this.then(undefined, onRejected);
	    }
	  });
	  OwnPromiseCapability = function () {
	    var promise = new Internal();
	    var state = getInternalState$3(promise);
	    this.promise = promise;
	    this.resolve = bind(internalResolve, promise, state);
	    this.reject = bind(internalReject, promise, state);
	  };
	  newPromiseCapability.f = newPromiseCapability$1 = function (C) {
	    return C === PromiseConstructor || C === PromiseWrapper
	      ? new OwnPromiseCapability(C)
	      : newGenericPromiseCapability(C);
	  };

	  if ( typeof nativePromiseConstructor == 'function') {
	    nativeThen = nativePromiseConstructor.prototype.then;

	    // wrap native Promise#then for native async functions
	    redefine(nativePromiseConstructor.prototype, 'then', function then(onFulfilled, onRejected) {
	      var that = this;
	      return new PromiseConstructor(function (resolve, reject) {
	        nativeThen.call(that, resolve, reject);
	      }).then(onFulfilled, onRejected);
	    // https://github.com/zloirock/core-js/issues/640
	    }, { unsafe: true });

	    // wrap fetch result
	    if (typeof $fetch == 'function') _export({ global: true, enumerable: true, forced: true }, {
	      // eslint-disable-next-line no-unused-vars
	      fetch: function fetch(input /* , init */) {
	        return promiseResolve(PromiseConstructor, $fetch.apply(global_1, arguments));
	      }
	    });
	  }
	}

	_export({ global: true, wrap: true, forced: FORCED$7 }, {
	  Promise: PromiseConstructor
	});

	setToStringTag(PromiseConstructor, PROMISE, false);
	setSpecies(PROMISE);

	PromiseWrapper = getBuiltIn(PROMISE);

	// statics
	_export({ target: PROMISE, stat: true, forced: FORCED$7 }, {
	  // `Promise.reject` method
	  // https://tc39.github.io/ecma262/#sec-promise.reject
	  reject: function reject(r) {
	    var capability = newPromiseCapability$1(this);
	    capability.reject.call(undefined, r);
	    return capability.promise;
	  }
	});

	_export({ target: PROMISE, stat: true, forced:  FORCED$7 }, {
	  // `Promise.resolve` method
	  // https://tc39.github.io/ecma262/#sec-promise.resolve
	  resolve: function resolve(x) {
	    return promiseResolve( this, x);
	  }
	});

	_export({ target: PROMISE, stat: true, forced: INCORRECT_ITERATION }, {
	  // `Promise.all` method
	  // https://tc39.github.io/ecma262/#sec-promise.all
	  all: function all(iterable) {
	    var C = this;
	    var capability = newPromiseCapability$1(C);
	    var resolve = capability.resolve;
	    var reject = capability.reject;
	    var result = perform(function () {
	      var $promiseResolve = aFunction$1(C.resolve);
	      var values = [];
	      var counter = 0;
	      var remaining = 1;
	      iterate_1(iterable, function (promise) {
	        var index = counter++;
	        var alreadyCalled = false;
	        values.push(undefined);
	        remaining++;
	        $promiseResolve.call(C, promise).then(function (value) {
	          if (alreadyCalled) return;
	          alreadyCalled = true;
	          values[index] = value;
	          --remaining || resolve(values);
	        }, reject);
	      });
	      --remaining || resolve(values);
	    });
	    if (result.error) reject(result.value);
	    return capability.promise;
	  },
	  // `Promise.race` method
	  // https://tc39.github.io/ecma262/#sec-promise.race
	  race: function race(iterable) {
	    var C = this;
	    var capability = newPromiseCapability$1(C);
	    var reject = capability.reject;
	    var result = perform(function () {
	      var $promiseResolve = aFunction$1(C.resolve);
	      iterate_1(iterable, function (promise) {
	        $promiseResolve.call(C, promise).then(capability.resolve, reject);
	      });
	    });
	    if (result.error) reject(result.value);
	    return capability.promise;
	  }
	});

	// `Symbol.asyncIterator` well-known symbol
	// https://tc39.github.io/ecma262/#sec-symbol.asynciterator
	defineWellKnownSymbol('asyncIterator');

	// `Symbol.iterator` well-known symbol
	// https://tc39.github.io/ecma262/#sec-symbol.iterator
	defineWellKnownSymbol('iterator');

	// `Symbol.toStringTag` well-known symbol
	// https://tc39.github.io/ecma262/#sec-symbol.tostringtag
	defineWellKnownSymbol('toStringTag');

	// JSON[@@toStringTag] property
	// https://tc39.github.io/ecma262/#sec-json-@@tostringtag
	setToStringTag(global_1.JSON, 'JSON', true);

	// Math[@@toStringTag] property
	// https://tc39.github.io/ecma262/#sec-math-@@tostringtag
	setToStringTag(Math, 'Math', true);

	var charAt$1 = stringMultibyte.charAt;



	var STRING_ITERATOR = 'String Iterator';
	var setInternalState$5 = internalState.set;
	var getInternalState$4 = internalState.getterFor(STRING_ITERATOR);

	// `String.prototype[@@iterator]` method
	// https://tc39.github.io/ecma262/#sec-string.prototype-@@iterator
	defineIterator(String, 'String', function (iterated) {
	  setInternalState$5(this, {
	    type: STRING_ITERATOR,
	    string: String(iterated),
	    index: 0
	  });
	// `%StringIteratorPrototype%.next` method
	// https://tc39.github.io/ecma262/#sec-%stringiteratorprototype%.next
	}, function next() {
	  var state = getInternalState$4(this);
	  var string = state.string;
	  var index = state.index;
	  var point;
	  if (index >= string.length) return { value: undefined, done: true };
	  point = charAt$1(string, index);
	  state.index += point.length;
	  return { value: point, done: false };
	});

	var ITERATOR$6 = wellKnownSymbol('iterator');
	var TO_STRING_TAG$4 = wellKnownSymbol('toStringTag');
	var ArrayValues = es_array_iterator.values;

	for (var COLLECTION_NAME$1 in domIterables) {
	  var Collection$1 = global_1[COLLECTION_NAME$1];
	  var CollectionPrototype$1 = Collection$1 && Collection$1.prototype;
	  if (CollectionPrototype$1) {
	    // some Chrome versions have non-configurable methods on DOMTokenList
	    if (CollectionPrototype$1[ITERATOR$6] !== ArrayValues) try {
	      createNonEnumerableProperty(CollectionPrototype$1, ITERATOR$6, ArrayValues);
	    } catch (error) {
	      CollectionPrototype$1[ITERATOR$6] = ArrayValues;
	    }
	    if (!CollectionPrototype$1[TO_STRING_TAG$4]) {
	      createNonEnumerableProperty(CollectionPrototype$1, TO_STRING_TAG$4, COLLECTION_NAME$1);
	    }
	    if (domIterables[COLLECTION_NAME$1]) for (var METHOD_NAME in es_array_iterator) {
	      // some Chrome versions have non-configurable methods on DOMTokenList
	      if (CollectionPrototype$1[METHOD_NAME] !== es_array_iterator[METHOD_NAME]) try {
	        createNonEnumerableProperty(CollectionPrototype$1, METHOD_NAME, es_array_iterator[METHOD_NAME]);
	      } catch (error) {
	        CollectionPrototype$1[METHOD_NAME] = es_array_iterator[METHOD_NAME];
	      }
	    }
	  }
	}

	var runtime = createCommonjsModule(function (module) {
	  /**
	   * Copyright (c) 2014-present, Facebook, Inc.
	   *
	   * This source code is licensed under the MIT license found in the
	   * LICENSE file in the root directory of this source tree.
	   */
	  !function (global) {

	    var Op = Object.prototype;
	    var hasOwn = Op.hasOwnProperty;
	    var undefined$1; // More compressible than void 0.

	    var $Symbol = typeof Symbol === "function" ? Symbol : {};
	    var iteratorSymbol = $Symbol.iterator || "@@iterator";
	    var asyncIteratorSymbol = $Symbol.asyncIterator || "@@asyncIterator";
	    var toStringTagSymbol = $Symbol.toStringTag || "@@toStringTag";
	    var runtime = global.regeneratorRuntime;

	    if (runtime) {
	      {
	        // If regeneratorRuntime is defined globally and we're in a module,
	        // make the exports object identical to regeneratorRuntime.
	        module.exports = runtime;
	      } // Don't bother evaluating the rest of this file if the runtime was
	      // already defined globally.


	      return;
	    } // Define the runtime globally (as expected by generated code) as either
	    // module.exports (if we're in a module) or a new, empty object.


	    runtime = global.regeneratorRuntime =  module.exports ;

	    function wrap(innerFn, outerFn, self, tryLocsList) {
	      // If outerFn provided and outerFn.prototype is a Generator, then outerFn.prototype instanceof Generator.
	      var protoGenerator = outerFn && outerFn.prototype instanceof Generator ? outerFn : Generator;
	      var generator = Object.create(protoGenerator.prototype);
	      var context = new Context(tryLocsList || []); // The ._invoke method unifies the implementations of the .next,
	      // .throw, and .return methods.

	      generator._invoke = makeInvokeMethod(innerFn, self, context);
	      return generator;
	    }

	    runtime.wrap = wrap; // Try/catch helper to minimize deoptimizations. Returns a completion
	    // record like context.tryEntries[i].completion. This interface could
	    // have been (and was previously) designed to take a closure to be
	    // invoked without arguments, but in all the cases we care about we
	    // already have an existing method we want to call, so there's no need
	    // to create a new function object. We can even get away with assuming
	    // the method takes exactly one argument, since that happens to be true
	    // in every case, so we don't have to touch the arguments object. The
	    // only additional allocation required is the completion record, which
	    // has a stable shape and so hopefully should be cheap to allocate.

	    function tryCatch(fn, obj, arg) {
	      try {
	        return {
	          type: "normal",
	          arg: fn.call(obj, arg)
	        };
	      } catch (err) {
	        return {
	          type: "throw",
	          arg: err
	        };
	      }
	    }

	    var GenStateSuspendedStart = "suspendedStart";
	    var GenStateSuspendedYield = "suspendedYield";
	    var GenStateExecuting = "executing";
	    var GenStateCompleted = "completed"; // Returning this object from the innerFn has the same effect as
	    // breaking out of the dispatch switch statement.

	    var ContinueSentinel = {}; // Dummy constructor functions that we use as the .constructor and
	    // .constructor.prototype properties for functions that return Generator
	    // objects. For full spec compliance, you may wish to configure your
	    // minifier not to mangle the names of these two functions.

	    function Generator() {}

	    function GeneratorFunction() {}

	    function GeneratorFunctionPrototype() {} // This is a polyfill for %IteratorPrototype% for environments that
	    // don't natively support it.


	    var IteratorPrototype = {};

	    IteratorPrototype[iteratorSymbol] = function () {
	      return this;
	    };

	    var getProto = Object.getPrototypeOf;
	    var NativeIteratorPrototype = getProto && getProto(getProto(values([])));

	    if (NativeIteratorPrototype && NativeIteratorPrototype !== Op && hasOwn.call(NativeIteratorPrototype, iteratorSymbol)) {
	      // This environment has a native %IteratorPrototype%; use it instead
	      // of the polyfill.
	      IteratorPrototype = NativeIteratorPrototype;
	    }

	    var Gp = GeneratorFunctionPrototype.prototype = Generator.prototype = Object.create(IteratorPrototype);
	    GeneratorFunction.prototype = Gp.constructor = GeneratorFunctionPrototype;
	    GeneratorFunctionPrototype.constructor = GeneratorFunction;
	    GeneratorFunctionPrototype[toStringTagSymbol] = GeneratorFunction.displayName = "GeneratorFunction"; // Helper for defining the .next, .throw, and .return methods of the
	    // Iterator interface in terms of a single ._invoke method.

	    function defineIteratorMethods(prototype) {
	      ["next", "throw", "return"].forEach(function (method) {
	        prototype[method] = function (arg) {
	          return this._invoke(method, arg);
	        };
	      });
	    }

	    runtime.isGeneratorFunction = function (genFun) {
	      var ctor = typeof genFun === "function" && genFun.constructor;
	      return ctor ? ctor === GeneratorFunction || // For the native GeneratorFunction constructor, the best we can
	      // do is to check its .name property.
	      (ctor.displayName || ctor.name) === "GeneratorFunction" : false;
	    };

	    runtime.mark = function (genFun) {
	      if (Object.setPrototypeOf) {
	        Object.setPrototypeOf(genFun, GeneratorFunctionPrototype);
	      } else {
	        genFun.__proto__ = GeneratorFunctionPrototype;

	        if (!(toStringTagSymbol in genFun)) {
	          genFun[toStringTagSymbol] = "GeneratorFunction";
	        }
	      }

	      genFun.prototype = Object.create(Gp);
	      return genFun;
	    }; // Within the body of any async function, `await x` is transformed to
	    // `yield regeneratorRuntime.awrap(x)`, so that the runtime can test
	    // `hasOwn.call(value, "__await")` to determine if the yielded value is
	    // meant to be awaited.


	    runtime.awrap = function (arg) {
	      return {
	        __await: arg
	      };
	    };

	    function AsyncIterator(generator) {
	      function invoke(method, arg, resolve, reject) {
	        var record = tryCatch(generator[method], generator, arg);

	        if (record.type === "throw") {
	          reject(record.arg);
	        } else {
	          var result = record.arg;
	          var value = result.value;

	          if (value && _typeof(value) === "object" && hasOwn.call(value, "__await")) {
	            return Promise.resolve(value.__await).then(function (value) {
	              invoke("next", value, resolve, reject);
	            }, function (err) {
	              invoke("throw", err, resolve, reject);
	            });
	          }

	          return Promise.resolve(value).then(function (unwrapped) {
	            // When a yielded Promise is resolved, its final value becomes
	            // the .value of the Promise<{value,done}> result for the
	            // current iteration. If the Promise is rejected, however, the
	            // result for this iteration will be rejected with the same
	            // reason. Note that rejections of yielded Promises are not
	            // thrown back into the generator function, as is the case
	            // when an awaited Promise is rejected. This difference in
	            // behavior between yield and await is important, because it
	            // allows the consumer to decide what to do with the yielded
	            // rejection (swallow it and continue, manually .throw it back
	            // into the generator, abandon iteration, whatever). With
	            // await, by contrast, there is no opportunity to examine the
	            // rejection reason outside the generator function, so the
	            // only option is to throw it from the await expression, and
	            // let the generator function handle the exception.
	            result.value = unwrapped;
	            resolve(result);
	          }, reject);
	        }
	      }

	      var previousPromise;

	      function enqueue(method, arg) {
	        function callInvokeWithMethodAndArg() {
	          return new Promise(function (resolve, reject) {
	            invoke(method, arg, resolve, reject);
	          });
	        }

	        return previousPromise = // If enqueue has been called before, then we want to wait until
	        // all previous Promises have been resolved before calling invoke,
	        // so that results are always delivered in the correct order. If
	        // enqueue has not been called before, then it is important to
	        // call invoke immediately, without waiting on a callback to fire,
	        // so that the async generator function has the opportunity to do
	        // any necessary setup in a predictable way. This predictability
	        // is why the Promise constructor synchronously invokes its
	        // executor callback, and why async functions synchronously
	        // execute code before the first await. Since we implement simple
	        // async functions in terms of async generators, it is especially
	        // important to get this right, even though it requires care.
	        previousPromise ? previousPromise.then(callInvokeWithMethodAndArg, // Avoid propagating failures to Promises returned by later
	        // invocations of the iterator.
	        callInvokeWithMethodAndArg) : callInvokeWithMethodAndArg();
	      } // Define the unified helper method that is used to implement .next,
	      // .throw, and .return (see defineIteratorMethods).


	      this._invoke = enqueue;
	    }

	    defineIteratorMethods(AsyncIterator.prototype);

	    AsyncIterator.prototype[asyncIteratorSymbol] = function () {
	      return this;
	    };

	    runtime.AsyncIterator = AsyncIterator; // Note that simple async functions are implemented on top of
	    // AsyncIterator objects; they just return a Promise for the value of
	    // the final result produced by the iterator.

	    runtime.async = function (innerFn, outerFn, self, tryLocsList) {
	      var iter = new AsyncIterator(wrap(innerFn, outerFn, self, tryLocsList));
	      return runtime.isGeneratorFunction(outerFn) ? iter // If outerFn is a generator, return the full iterator.
	      : iter.next().then(function (result) {
	        return result.done ? result.value : iter.next();
	      });
	    };

	    function makeInvokeMethod(innerFn, self, context) {
	      var state = GenStateSuspendedStart;
	      return function invoke(method, arg) {
	        if (state === GenStateExecuting) {
	          throw new Error("Generator is already running");
	        }

	        if (state === GenStateCompleted) {
	          if (method === "throw") {
	            throw arg;
	          } // Be forgiving, per 25.3.3.3.3 of the spec:
	          // https://people.mozilla.org/~jorendorff/es6-draft.html#sec-generatorresume


	          return doneResult();
	        }

	        context.method = method;
	        context.arg = arg;

	        while (true) {
	          var delegate = context.delegate;

	          if (delegate) {
	            var delegateResult = maybeInvokeDelegate(delegate, context);

	            if (delegateResult) {
	              if (delegateResult === ContinueSentinel) continue;
	              return delegateResult;
	            }
	          }

	          if (context.method === "next") {
	            // Setting context._sent for legacy support of Babel's
	            // function.sent implementation.
	            context.sent = context._sent = context.arg;
	          } else if (context.method === "throw") {
	            if (state === GenStateSuspendedStart) {
	              state = GenStateCompleted;
	              throw context.arg;
	            }

	            context.dispatchException(context.arg);
	          } else if (context.method === "return") {
	            context.abrupt("return", context.arg);
	          }

	          state = GenStateExecuting;
	          var record = tryCatch(innerFn, self, context);

	          if (record.type === "normal") {
	            // If an exception is thrown from innerFn, we leave state ===
	            // GenStateExecuting and loop back for another invocation.
	            state = context.done ? GenStateCompleted : GenStateSuspendedYield;

	            if (record.arg === ContinueSentinel) {
	              continue;
	            }

	            return {
	              value: record.arg,
	              done: context.done
	            };
	          } else if (record.type === "throw") {
	            state = GenStateCompleted; // Dispatch the exception by looping back around to the
	            // context.dispatchException(context.arg) call above.

	            context.method = "throw";
	            context.arg = record.arg;
	          }
	        }
	      };
	    } // Call delegate.iterator[context.method](context.arg) and handle the
	    // result, either by returning a { value, done } result from the
	    // delegate iterator, or by modifying context.method and context.arg,
	    // setting context.delegate to null, and returning the ContinueSentinel.


	    function maybeInvokeDelegate(delegate, context) {
	      var method = delegate.iterator[context.method];

	      if (method === undefined$1) {
	        // A .throw or .return when the delegate iterator has no .throw
	        // method always terminates the yield* loop.
	        context.delegate = null;

	        if (context.method === "throw") {
	          if (delegate.iterator["return"]) {
	            // If the delegate iterator has a return method, give it a
	            // chance to clean up.
	            context.method = "return";
	            context.arg = undefined$1;
	            maybeInvokeDelegate(delegate, context);

	            if (context.method === "throw") {
	              // If maybeInvokeDelegate(context) changed context.method from
	              // "return" to "throw", let that override the TypeError below.
	              return ContinueSentinel;
	            }
	          }

	          context.method = "throw";
	          context.arg = new TypeError("The iterator does not provide a 'throw' method");
	        }

	        return ContinueSentinel;
	      }

	      var record = tryCatch(method, delegate.iterator, context.arg);

	      if (record.type === "throw") {
	        context.method = "throw";
	        context.arg = record.arg;
	        context.delegate = null;
	        return ContinueSentinel;
	      }

	      var info = record.arg;

	      if (!info) {
	        context.method = "throw";
	        context.arg = new TypeError("iterator result is not an object");
	        context.delegate = null;
	        return ContinueSentinel;
	      }

	      if (info.done) {
	        // Assign the result of the finished delegate to the temporary
	        // variable specified by delegate.resultName (see delegateYield).
	        context[delegate.resultName] = info.value; // Resume execution at the desired location (see delegateYield).

	        context.next = delegate.nextLoc; // If context.method was "throw" but the delegate handled the
	        // exception, let the outer generator proceed normally. If
	        // context.method was "next", forget context.arg since it has been
	        // "consumed" by the delegate iterator. If context.method was
	        // "return", allow the original .return call to continue in the
	        // outer generator.

	        if (context.method !== "return") {
	          context.method = "next";
	          context.arg = undefined$1;
	        }
	      } else {
	        // Re-yield the result returned by the delegate method.
	        return info;
	      } // The delegate iterator is finished, so forget it and continue with
	      // the outer generator.


	      context.delegate = null;
	      return ContinueSentinel;
	    } // Define Generator.prototype.{next,throw,return} in terms of the
	    // unified ._invoke helper method.


	    defineIteratorMethods(Gp);
	    Gp[toStringTagSymbol] = "Generator"; // A Generator should always return itself as the iterator object when the
	    // @@iterator function is called on it. Some browsers' implementations of the
	    // iterator prototype chain incorrectly implement this, causing the Generator
	    // object to not be returned from this call. This ensures that doesn't happen.
	    // See https://github.com/facebook/regenerator/issues/274 for more details.

	    Gp[iteratorSymbol] = function () {
	      return this;
	    };

	    Gp.toString = function () {
	      return "[object Generator]";
	    };

	    function pushTryEntry(locs) {
	      var entry = {
	        tryLoc: locs[0]
	      };

	      if (1 in locs) {
	        entry.catchLoc = locs[1];
	      }

	      if (2 in locs) {
	        entry.finallyLoc = locs[2];
	        entry.afterLoc = locs[3];
	      }

	      this.tryEntries.push(entry);
	    }

	    function resetTryEntry(entry) {
	      var record = entry.completion || {};
	      record.type = "normal";
	      delete record.arg;
	      entry.completion = record;
	    }

	    function Context(tryLocsList) {
	      // The root entry object (effectively a try statement without a catch
	      // or a finally block) gives us a place to store values thrown from
	      // locations where there is no enclosing try statement.
	      this.tryEntries = [{
	        tryLoc: "root"
	      }];
	      tryLocsList.forEach(pushTryEntry, this);
	      this.reset(true);
	    }

	    runtime.keys = function (object) {
	      var keys = [];

	      for (var key in object) {
	        keys.push(key);
	      }

	      keys.reverse(); // Rather than returning an object with a next method, we keep
	      // things simple and return the next function itself.

	      return function next() {
	        while (keys.length) {
	          var key = keys.pop();

	          if (key in object) {
	            next.value = key;
	            next.done = false;
	            return next;
	          }
	        } // To avoid creating an additional object, we just hang the .value
	        // and .done properties off the next function object itself. This
	        // also ensures that the minifier will not anonymize the function.


	        next.done = true;
	        return next;
	      };
	    };

	    function values(iterable) {
	      if (iterable) {
	        var iteratorMethod = iterable[iteratorSymbol];

	        if (iteratorMethod) {
	          return iteratorMethod.call(iterable);
	        }

	        if (typeof iterable.next === "function") {
	          return iterable;
	        }

	        if (!isNaN(iterable.length)) {
	          var i = -1,
	              next = function next() {
	            while (++i < iterable.length) {
	              if (hasOwn.call(iterable, i)) {
	                next.value = iterable[i];
	                next.done = false;
	                return next;
	              }
	            }

	            next.value = undefined$1;
	            next.done = true;
	            return next;
	          };

	          return next.next = next;
	        }
	      } // Return an iterator with no values.


	      return {
	        next: doneResult
	      };
	    }

	    runtime.values = values;

	    function doneResult() {
	      return {
	        value: undefined$1,
	        done: true
	      };
	    }

	    Context.prototype = {
	      constructor: Context,
	      reset: function reset(skipTempReset) {
	        this.prev = 0;
	        this.next = 0; // Resetting context._sent for legacy support of Babel's
	        // function.sent implementation.

	        this.sent = this._sent = undefined$1;
	        this.done = false;
	        this.delegate = null;
	        this.method = "next";
	        this.arg = undefined$1;
	        this.tryEntries.forEach(resetTryEntry);

	        if (!skipTempReset) {
	          for (var name in this) {
	            // Not sure about the optimal order of these conditions:
	            if (name.charAt(0) === "t" && hasOwn.call(this, name) && !isNaN(+name.slice(1))) {
	              this[name] = undefined$1;
	            }
	          }
	        }
	      },
	      stop: function stop() {
	        this.done = true;
	        var rootEntry = this.tryEntries[0];
	        var rootRecord = rootEntry.completion;

	        if (rootRecord.type === "throw") {
	          throw rootRecord.arg;
	        }

	        return this.rval;
	      },
	      dispatchException: function dispatchException(exception) {
	        if (this.done) {
	          throw exception;
	        }

	        var context = this;

	        function handle(loc, caught) {
	          record.type = "throw";
	          record.arg = exception;
	          context.next = loc;

	          if (caught) {
	            // If the dispatched exception was caught by a catch block,
	            // then let that catch block handle the exception normally.
	            context.method = "next";
	            context.arg = undefined$1;
	          }

	          return !!caught;
	        }

	        for (var i = this.tryEntries.length - 1; i >= 0; --i) {
	          var entry = this.tryEntries[i];
	          var record = entry.completion;

	          if (entry.tryLoc === "root") {
	            // Exception thrown outside of any try block that could handle
	            // it, so set the completion value of the entire function to
	            // throw the exception.
	            return handle("end");
	          }

	          if (entry.tryLoc <= this.prev) {
	            var hasCatch = hasOwn.call(entry, "catchLoc");
	            var hasFinally = hasOwn.call(entry, "finallyLoc");

	            if (hasCatch && hasFinally) {
	              if (this.prev < entry.catchLoc) {
	                return handle(entry.catchLoc, true);
	              } else if (this.prev < entry.finallyLoc) {
	                return handle(entry.finallyLoc);
	              }
	            } else if (hasCatch) {
	              if (this.prev < entry.catchLoc) {
	                return handle(entry.catchLoc, true);
	              }
	            } else if (hasFinally) {
	              if (this.prev < entry.finallyLoc) {
	                return handle(entry.finallyLoc);
	              }
	            } else {
	              throw new Error("try statement without catch or finally");
	            }
	          }
	        }
	      },
	      abrupt: function abrupt(type, arg) {
	        for (var i = this.tryEntries.length - 1; i >= 0; --i) {
	          var entry = this.tryEntries[i];

	          if (entry.tryLoc <= this.prev && hasOwn.call(entry, "finallyLoc") && this.prev < entry.finallyLoc) {
	            var finallyEntry = entry;
	            break;
	          }
	        }

	        if (finallyEntry && (type === "break" || type === "continue") && finallyEntry.tryLoc <= arg && arg <= finallyEntry.finallyLoc) {
	          // Ignore the finally entry if control is not jumping to a
	          // location outside the try/catch block.
	          finallyEntry = null;
	        }

	        var record = finallyEntry ? finallyEntry.completion : {};
	        record.type = type;
	        record.arg = arg;

	        if (finallyEntry) {
	          this.method = "next";
	          this.next = finallyEntry.finallyLoc;
	          return ContinueSentinel;
	        }

	        return this.complete(record);
	      },
	      complete: function complete(record, afterLoc) {
	        if (record.type === "throw") {
	          throw record.arg;
	        }

	        if (record.type === "break" || record.type === "continue") {
	          this.next = record.arg;
	        } else if (record.type === "return") {
	          this.rval = this.arg = record.arg;
	          this.method = "return";
	          this.next = "end";
	        } else if (record.type === "normal" && afterLoc) {
	          this.next = afterLoc;
	        }

	        return ContinueSentinel;
	      },
	      finish: function finish(finallyLoc) {
	        for (var i = this.tryEntries.length - 1; i >= 0; --i) {
	          var entry = this.tryEntries[i];

	          if (entry.finallyLoc === finallyLoc) {
	            this.complete(entry.completion, entry.afterLoc);
	            resetTryEntry(entry);
	            return ContinueSentinel;
	          }
	        }
	      },
	      "catch": function _catch(tryLoc) {
	        for (var i = this.tryEntries.length - 1; i >= 0; --i) {
	          var entry = this.tryEntries[i];

	          if (entry.tryLoc === tryLoc) {
	            var record = entry.completion;

	            if (record.type === "throw") {
	              var thrown = record.arg;
	              resetTryEntry(entry);
	            }

	            return thrown;
	          }
	        } // The context.catch method must only be called with a location
	        // argument that corresponds to a known catch block.


	        throw new Error("illegal catch attempt");
	      },
	      delegateYield: function delegateYield(iterable, resultName, nextLoc) {
	        this.delegate = {
	          iterator: values(iterable),
	          resultName: resultName,
	          nextLoc: nextLoc
	        };

	        if (this.method === "next") {
	          // Deliberately forget the last sent value so that we don't
	          // accidentally pass it on to the delegate.
	          this.arg = undefined$1;
	        }

	        return ContinueSentinel;
	      }
	    };
	  }( // In sloppy mode, unbound `this` refers to the global object, fallback to
	  // Function constructor if we're in global strict mode. That is sadly a form
	  // of indirect eval which violates Content Security Policy.
	  function () {
	    return this;
	  }() || Function("return this")());
	});

	var escapeStringRegexp = function escapeStringRegexp(string) {
	  if (typeof string !== 'string') {
	    throw new TypeError('Expected a string');
	  } // Escape characters with special meaning either inside or outside character sets.
	  // Use a simple backslash escape when it’s always valid, and a \unnnn escape when the simpler form would be disallowed by Unicode patterns’ stricter grammar.


	  return string.replace(/[|\\{}()[\]^$+*?.]/g, '\\$&').replace(/-/g, '\\x2d');
	};

	// Copyright Joyent, Inc. and other Node contributors.
	//
	// Permission is hereby granted, free of charge, to any person obtaining a
	// copy of this software and associated documentation files (the
	// "Software"), to deal in the Software without restriction, including
	// without limitation the rights to use, copy, modify, merge, publish,
	// distribute, sublicense, and/or sell copies of the Software, and to permit
	// persons to whom the Software is furnished to do so, subject to the
	// following conditions:
	//
	// The above copyright notice and this permission notice shall be included
	// in all copies or substantial portions of the Software.
	//
	// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
	// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
	// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
	// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
	// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
	// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
	// USE OR OTHER DEALINGS IN THE SOFTWARE.
	// resolves . and .. elements in a path array with directory names there
	// must be no slashes, empty elements, or device names (c:\) in the array
	// (so also no leading and trailing slashes - it does not distinguish
	// relative and absolute paths)
	function normalizeArray(parts, allowAboveRoot) {
	  // if the path tries to go above the root, `up` ends up > 0
	  var up = 0;

	  for (var i = parts.length - 1; i >= 0; i--) {
	    var last = parts[i];

	    if (last === '.') {
	      parts.splice(i, 1);
	    } else if (last === '..') {
	      parts.splice(i, 1);
	      up++;
	    } else if (up) {
	      parts.splice(i, 1);
	      up--;
	    }
	  } // if the path is allowed to go above the root, restore leading ..s


	  if (allowAboveRoot) {
	    for (; up--; up) {
	      parts.unshift('..');
	    }
	  }

	  return parts;
	} // Split a filename into [root, dir, basename, ext], unix version
	// 'root' is just a slash, or nothing.


	var splitPathRe = /^(\/?|)([\s\S]*?)((?:\.{1,2}|[^\/]+?|)(\.[^.\/]*|))(?:[\/]*)$/;

	var splitPath = function splitPath(filename) {
	  return splitPathRe.exec(filename).slice(1);
	}; // path.resolve([from ...], to)
	// posix version


	function resolve() {
	  var resolvedPath = '',
	      resolvedAbsolute = false;

	  for (var i = arguments.length - 1; i >= -1 && !resolvedAbsolute; i--) {
	    var path = i >= 0 ? arguments[i] : '/'; // Skip empty and invalid entries

	    if (typeof path !== 'string') {
	      throw new TypeError('Arguments to path.resolve must be strings');
	    } else if (!path) {
	      continue;
	    }

	    resolvedPath = path + '/' + resolvedPath;
	    resolvedAbsolute = path.charAt(0) === '/';
	  } // At this point the path should be resolved to a full absolute path, but
	  // handle relative paths to be safe (might happen when process.cwd() fails)
	  // Normalize the path


	  resolvedPath = normalizeArray(filter(resolvedPath.split('/'), function (p) {
	    return !!p;
	  }), !resolvedAbsolute).join('/');
	  return (resolvedAbsolute ? '/' : '') + resolvedPath || '.';
	}
	// posix version

	function normalize$1(path) {
	  var isPathAbsolute = isAbsolute(path),
	      trailingSlash = substr(path, -1) === '/'; // Normalize the path

	  path = normalizeArray(filter(path.split('/'), function (p) {
	    return !!p;
	  }), !isPathAbsolute).join('/');

	  if (!path && !isPathAbsolute) {
	    path = '.';
	  }

	  if (path && trailingSlash) {
	    path += '/';
	  }

	  return (isPathAbsolute ? '/' : '') + path;
	}

	function isAbsolute(path) {
	  return path.charAt(0) === '/';
	} // posix version

	function join() {
	  var paths = Array.prototype.slice.call(arguments, 0);
	  return normalize$1(filter(paths, function (p, index) {
	    if (typeof p !== 'string') {
	      throw new TypeError('Arguments to path.join must be strings');
	    }

	    return p;
	  }).join('/'));
	} // path.relative(from, to)
	// posix version

	function relative(from, to) {
	  from = resolve(from).substr(1);
	  to = resolve(to).substr(1);

	  function trim(arr) {
	    var start = 0;

	    for (; start < arr.length; start++) {
	      if (arr[start] !== '') break;
	    }

	    var end = arr.length - 1;

	    for (; end >= 0; end--) {
	      if (arr[end] !== '') break;
	    }

	    if (start > end) return [];
	    return arr.slice(start, end - start + 1);
	  }

	  var fromParts = trim(from.split('/'));
	  var toParts = trim(to.split('/'));
	  var length = Math.min(fromParts.length, toParts.length);
	  var samePartsLength = length;

	  for (var i = 0; i < length; i++) {
	    if (fromParts[i] !== toParts[i]) {
	      samePartsLength = i;
	      break;
	    }
	  }

	  var outputParts = [];

	  for (var i = samePartsLength; i < fromParts.length; i++) {
	    outputParts.push('..');
	  }

	  outputParts = outputParts.concat(toParts.slice(samePartsLength));
	  return outputParts.join('/');
	}
	var sep = '/';
	var delimiter = ':';
	function dirname(path) {
	  var result = splitPath(path),
	      root = result[0],
	      dir = result[1];

	  if (!root && !dir) {
	    // No dirname whatsoever
	    return '.';
	  }

	  if (dir) {
	    // It has a dirname, strip trailing slash
	    dir = dir.substr(0, dir.length - 1);
	  }

	  return root + dir;
	}
	function basename(path, ext) {
	  var f = splitPath(path)[2]; // TODO: make this comparison case-insensitive on windows?

	  if (ext && f.substr(-1 * ext.length) === ext) {
	    f = f.substr(0, f.length - ext.length);
	  }

	  return f;
	}
	function extname(path) {
	  return splitPath(path)[3];
	}
	var path$1 = {
	  extname: extname,
	  basename: basename,
	  dirname: dirname,
	  sep: sep,
	  delimiter: delimiter,
	  relative: relative,
	  join: join,
	  isAbsolute: isAbsolute,
	  normalize: normalize$1,
	  resolve: resolve
	};

	function filter(xs, f) {
	  if (xs.filter) return xs.filter(f);
	  var res = [];

	  for (var i = 0; i < xs.length; i++) {
	    if (f(xs[i], i, xs)) res.push(xs[i]);
	  }

	  return res;
	} // String.prototype.substr - negative index don't work in IE8


	var substr = 'ab'.substr(-1) === 'b' ? function (str, start, len) {
	  return str.substr(start, len);
	} : function (str, start, len) {
	  if (start < 0) start = str.length + start;
	  return str.substr(start, len);
	};

	// `Array.from` method implementation
	// https://tc39.github.io/ecma262/#sec-array.from
	var arrayFrom = function from(arrayLike /* , mapfn = undefined, thisArg = undefined */) {
	  var O = toObject(arrayLike);
	  var C = typeof this == 'function' ? this : Array;
	  var argumentsLength = arguments.length;
	  var mapfn = argumentsLength > 1 ? arguments[1] : undefined;
	  var mapping = mapfn !== undefined;
	  var iteratorMethod = getIteratorMethod(O);
	  var index = 0;
	  var length, result, step, iterator, next, value;
	  if (mapping) mapfn = functionBindContext(mapfn, argumentsLength > 2 ? arguments[2] : undefined, 2);
	  // if the target is not iterable or it's an array with the default iterator - use a simple case
	  if (iteratorMethod != undefined && !(C == Array && isArrayIteratorMethod(iteratorMethod))) {
	    iterator = iteratorMethod.call(O);
	    next = iterator.next;
	    result = new C();
	    for (;!(step = next.call(iterator)).done; index++) {
	      value = mapping ? callWithSafeIterationClosing(iterator, mapfn, [step.value, index], true) : step.value;
	      createProperty(result, index, value);
	    }
	  } else {
	    length = toLength(O.length);
	    result = new C(length);
	    for (;length > index; index++) {
	      value = mapping ? mapfn(O[index], index) : O[index];
	      createProperty(result, index, value);
	    }
	  }
	  result.length = index;
	  return result;
	};

	var INCORRECT_ITERATION$1 = !checkCorrectnessOfIteration(function (iterable) {
	  Array.from(iterable);
	});

	// `Array.from` method
	// https://tc39.github.io/ecma262/#sec-array.from
	_export({ target: 'Array', stat: true, forced: INCORRECT_ITERATION$1 }, {
	  from: arrayFrom
	});

	var diff = createCommonjsModule(function (module, exports) {
	  /*!
	  
	   diff v4.0.1
	  
	  Software License Agreement (BSD License)
	  
	  Copyright (c) 2009-2015, Kevin Decker <kpdecker@gmail.com>
	  
	  All rights reserved.
	  
	  Redistribution and use of this software in source and binary forms, with or without modification,
	  are permitted provided that the following conditions are met:
	  
	  * Redistributions of source code must retain the above
	    copyright notice, this list of conditions and the
	    following disclaimer.
	  
	  * Redistributions in binary form must reproduce the above
	    copyright notice, this list of conditions and the
	    following disclaimer in the documentation and/or other
	    materials provided with the distribution.
	  
	  * Neither the name of Kevin Decker nor the names of its
	    contributors may be used to endorse or promote products
	    derived from this software without specific prior
	    written permission.
	  
	  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
	  IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
	  FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
	  CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
	  DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
	  DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
	  IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
	  OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
	  @license
	  */
	  (function (global, factory) {
	     factory(exports) ;
	  })(commonjsGlobal, function (exports) {

	    function Diff() {}

	    Diff.prototype = {
	      diff: function diff(oldString, newString) {
	        var options = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {};
	        var callback = options.callback;

	        if (typeof options === 'function') {
	          callback = options;
	          options = {};
	        }

	        this.options = options;
	        var self = this;

	        function done(value) {
	          if (callback) {
	            setTimeout(function () {
	              callback(undefined, value);
	            }, 0);
	            return true;
	          } else {
	            return value;
	          }
	        } // Allow subclasses to massage the input prior to running


	        oldString = this.castInput(oldString);
	        newString = this.castInput(newString);
	        oldString = this.removeEmpty(this.tokenize(oldString));
	        newString = this.removeEmpty(this.tokenize(newString));
	        var newLen = newString.length,
	            oldLen = oldString.length;
	        var editLength = 1;
	        var maxEditLength = newLen + oldLen;
	        var bestPath = [{
	          newPos: -1,
	          components: []
	        }]; // Seed editLength = 0, i.e. the content starts with the same values

	        var oldPos = this.extractCommon(bestPath[0], newString, oldString, 0);

	        if (bestPath[0].newPos + 1 >= newLen && oldPos + 1 >= oldLen) {
	          // Identity per the equality and tokenizer
	          return done([{
	            value: this.join(newString),
	            count: newString.length
	          }]);
	        } // Main worker method. checks all permutations of a given edit length for acceptance.


	        function execEditLength() {
	          for (var diagonalPath = -1 * editLength; diagonalPath <= editLength; diagonalPath += 2) {
	            var basePath = void 0;

	            var addPath = bestPath[diagonalPath - 1],
	                removePath = bestPath[diagonalPath + 1],
	                _oldPos = (removePath ? removePath.newPos : 0) - diagonalPath;

	            if (addPath) {
	              // No one else is going to attempt to use this value, clear it
	              bestPath[diagonalPath - 1] = undefined;
	            }

	            var canAdd = addPath && addPath.newPos + 1 < newLen,
	                canRemove = removePath && 0 <= _oldPos && _oldPos < oldLen;

	            if (!canAdd && !canRemove) {
	              // If this path is a terminal then prune
	              bestPath[diagonalPath] = undefined;
	              continue;
	            } // Select the diagonal that we want to branch from. We select the prior
	            // path whose position in the new string is the farthest from the origin
	            // and does not pass the bounds of the diff graph


	            if (!canAdd || canRemove && addPath.newPos < removePath.newPos) {
	              basePath = clonePath(removePath);
	              self.pushComponent(basePath.components, undefined, true);
	            } else {
	              basePath = addPath; // No need to clone, we've pulled it from the list

	              basePath.newPos++;
	              self.pushComponent(basePath.components, true, undefined);
	            }

	            _oldPos = self.extractCommon(basePath, newString, oldString, diagonalPath); // If we have hit the end of both strings, then we are done

	            if (basePath.newPos + 1 >= newLen && _oldPos + 1 >= oldLen) {
	              return done(buildValues(self, basePath.components, newString, oldString, self.useLongestToken));
	            } else {
	              // Otherwise track this path as a potential candidate and continue.
	              bestPath[diagonalPath] = basePath;
	            }
	          }

	          editLength++;
	        } // Performs the length of edit iteration. Is a bit fugly as this has to support the
	        // sync and async mode which is never fun. Loops over execEditLength until a value
	        // is produced.


	        if (callback) {
	          (function exec() {
	            setTimeout(function () {
	              // This should not happen, but we want to be safe.

	              /* istanbul ignore next */
	              if (editLength > maxEditLength) {
	                return callback();
	              }

	              if (!execEditLength()) {
	                exec();
	              }
	            }, 0);
	          })();
	        } else {
	          while (editLength <= maxEditLength) {
	            var ret = execEditLength();

	            if (ret) {
	              return ret;
	            }
	          }
	        }
	      },
	      pushComponent: function pushComponent(components, added, removed) {
	        var last = components[components.length - 1];

	        if (last && last.added === added && last.removed === removed) {
	          // We need to clone here as the component clone operation is just
	          // as shallow array clone
	          components[components.length - 1] = {
	            count: last.count + 1,
	            added: added,
	            removed: removed
	          };
	        } else {
	          components.push({
	            count: 1,
	            added: added,
	            removed: removed
	          });
	        }
	      },
	      extractCommon: function extractCommon(basePath, newString, oldString, diagonalPath) {
	        var newLen = newString.length,
	            oldLen = oldString.length,
	            newPos = basePath.newPos,
	            oldPos = newPos - diagonalPath,
	            commonCount = 0;

	        while (newPos + 1 < newLen && oldPos + 1 < oldLen && this.equals(newString[newPos + 1], oldString[oldPos + 1])) {
	          newPos++;
	          oldPos++;
	          commonCount++;
	        }

	        if (commonCount) {
	          basePath.components.push({
	            count: commonCount
	          });
	        }

	        basePath.newPos = newPos;
	        return oldPos;
	      },
	      equals: function equals(left, right) {
	        if (this.options.comparator) {
	          return this.options.comparator(left, right);
	        } else {
	          return left === right || this.options.ignoreCase && left.toLowerCase() === right.toLowerCase();
	        }
	      },
	      removeEmpty: function removeEmpty(array) {
	        var ret = [];

	        for (var i = 0; i < array.length; i++) {
	          if (array[i]) {
	            ret.push(array[i]);
	          }
	        }

	        return ret;
	      },
	      castInput: function castInput(value) {
	        return value;
	      },
	      tokenize: function tokenize(value) {
	        return value.split('');
	      },
	      join: function join(chars) {
	        return chars.join('');
	      }
	    };

	    function buildValues(diff, components, newString, oldString, useLongestToken) {
	      var componentPos = 0,
	          componentLen = components.length,
	          newPos = 0,
	          oldPos = 0;

	      for (; componentPos < componentLen; componentPos++) {
	        var component = components[componentPos];

	        if (!component.removed) {
	          if (!component.added && useLongestToken) {
	            var value = newString.slice(newPos, newPos + component.count);
	            value = value.map(function (value, i) {
	              var oldValue = oldString[oldPos + i];
	              return oldValue.length > value.length ? oldValue : value;
	            });
	            component.value = diff.join(value);
	          } else {
	            component.value = diff.join(newString.slice(newPos, newPos + component.count));
	          }

	          newPos += component.count; // Common case

	          if (!component.added) {
	            oldPos += component.count;
	          }
	        } else {
	          component.value = diff.join(oldString.slice(oldPos, oldPos + component.count));
	          oldPos += component.count; // Reverse add and remove so removes are output first to match common convention
	          // The diffing algorithm is tied to add then remove output and this is the simplest
	          // route to get the desired output with minimal overhead.

	          if (componentPos && components[componentPos - 1].added) {
	            var tmp = components[componentPos - 1];
	            components[componentPos - 1] = components[componentPos];
	            components[componentPos] = tmp;
	          }
	        }
	      } // Special case handle for when one terminal is ignored (i.e. whitespace).
	      // For this case we merge the terminal into the prior string and drop the change.
	      // This is only available for string mode.


	      var lastComponent = components[componentLen - 1];

	      if (componentLen > 1 && typeof lastComponent.value === 'string' && (lastComponent.added || lastComponent.removed) && diff.equals('', lastComponent.value)) {
	        components[componentLen - 2].value += lastComponent.value;
	        components.pop();
	      }

	      return components;
	    }

	    function clonePath(path) {
	      return {
	        newPos: path.newPos,
	        components: path.components.slice(0)
	      };
	    }

	    var characterDiff = new Diff();

	    function diffChars(oldStr, newStr, options) {
	      return characterDiff.diff(oldStr, newStr, options);
	    }

	    function generateOptions(options, defaults) {
	      if (typeof options === 'function') {
	        defaults.callback = options;
	      } else if (options) {
	        for (var name in options) {
	          /* istanbul ignore else */
	          if (options.hasOwnProperty(name)) {
	            defaults[name] = options[name];
	          }
	        }
	      }

	      return defaults;
	    } //
	    // Ranges and exceptions:
	    // Latin-1 Supplement, 0080–00FF
	    //  - U+00D7  × Multiplication sign
	    //  - U+00F7  ÷ Division sign
	    // Latin Extended-A, 0100–017F
	    // Latin Extended-B, 0180–024F
	    // IPA Extensions, 0250–02AF
	    // Spacing Modifier Letters, 02B0–02FF
	    //  - U+02C7  ˇ &#711;  Caron
	    //  - U+02D8  ˘ &#728;  Breve
	    //  - U+02D9  ˙ &#729;  Dot Above
	    //  - U+02DA  ˚ &#730;  Ring Above
	    //  - U+02DB  ˛ &#731;  Ogonek
	    //  - U+02DC  ˜ &#732;  Small Tilde
	    //  - U+02DD  ˝ &#733;  Double Acute Accent
	    // Latin Extended Additional, 1E00–1EFF


	    var extendedWordChars = /^[A-Za-z\xC0-\u02C6\u02C8-\u02D7\u02DE-\u02FF\u1E00-\u1EFF]+$/;
	    var reWhitespace = /\S/;
	    var wordDiff = new Diff();

	    wordDiff.equals = function (left, right) {
	      if (this.options.ignoreCase) {
	        left = left.toLowerCase();
	        right = right.toLowerCase();
	      }

	      return left === right || this.options.ignoreWhitespace && !reWhitespace.test(left) && !reWhitespace.test(right);
	    };

	    wordDiff.tokenize = function (value) {
	      var tokens = value.split(/(\s+|[()[\]{}'"]|\b)/); // Join the boundary splits that we do not consider to be boundaries. This is primarily the extended Latin character set.

	      for (var i = 0; i < tokens.length - 1; i++) {
	        // If we have an empty string in the next field and we have only word chars before and after, merge
	        if (!tokens[i + 1] && tokens[i + 2] && extendedWordChars.test(tokens[i]) && extendedWordChars.test(tokens[i + 2])) {
	          tokens[i] += tokens[i + 2];
	          tokens.splice(i + 1, 2);
	          i--;
	        }
	      }

	      return tokens;
	    };

	    function diffWords(oldStr, newStr, options) {
	      options = generateOptions(options, {
	        ignoreWhitespace: true
	      });
	      return wordDiff.diff(oldStr, newStr, options);
	    }

	    function diffWordsWithSpace(oldStr, newStr, options) {
	      return wordDiff.diff(oldStr, newStr, options);
	    }

	    var lineDiff = new Diff();

	    lineDiff.tokenize = function (value) {
	      var retLines = [],
	          linesAndNewlines = value.split(/(\n|\r\n)/); // Ignore the final empty token that occurs if the string ends with a new line

	      if (!linesAndNewlines[linesAndNewlines.length - 1]) {
	        linesAndNewlines.pop();
	      } // Merge the content and line separators into single tokens


	      for (var i = 0; i < linesAndNewlines.length; i++) {
	        var line = linesAndNewlines[i];

	        if (i % 2 && !this.options.newlineIsToken) {
	          retLines[retLines.length - 1] += line;
	        } else {
	          if (this.options.ignoreWhitespace) {
	            line = line.trim();
	          }

	          retLines.push(line);
	        }
	      }

	      return retLines;
	    };

	    function diffLines(oldStr, newStr, callback) {
	      return lineDiff.diff(oldStr, newStr, callback);
	    }

	    function diffTrimmedLines(oldStr, newStr, callback) {
	      var options = generateOptions(callback, {
	        ignoreWhitespace: true
	      });
	      return lineDiff.diff(oldStr, newStr, options);
	    }

	    var sentenceDiff = new Diff();

	    sentenceDiff.tokenize = function (value) {
	      return value.split(/(\S.+?[.!?])(?=\s+|$)/);
	    };

	    function diffSentences(oldStr, newStr, callback) {
	      return sentenceDiff.diff(oldStr, newStr, callback);
	    }

	    var cssDiff = new Diff();

	    cssDiff.tokenize = function (value) {
	      return value.split(/([{}:;,]|\s+)/);
	    };

	    function diffCss(oldStr, newStr, callback) {
	      return cssDiff.diff(oldStr, newStr, callback);
	    }

	    function _typeof$1(obj) {
	      if (typeof Symbol === "function" && _typeof(Symbol.iterator) === "symbol") {
	        _typeof$1 = function _typeof$1(obj) {
	          return _typeof(obj);
	        };
	      } else {
	        _typeof$1 = function _typeof$1(obj) {
	          return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : _typeof(obj);
	        };
	      }

	      return _typeof$1(obj);
	    }

	    function _toConsumableArray(arr) {
	      return _arrayWithoutHoles(arr) || _iterableToArray(arr) || _nonIterableSpread();
	    }

	    function _arrayWithoutHoles(arr) {
	      if (Array.isArray(arr)) {
	        for (var i = 0, arr2 = new Array(arr.length); i < arr.length; i++) {
	          arr2[i] = arr[i];
	        }

	        return arr2;
	      }
	    }

	    function _iterableToArray(iter) {
	      if (Symbol.iterator in Object(iter) || Object.prototype.toString.call(iter) === "[object Arguments]") return Array.from(iter);
	    }

	    function _nonIterableSpread() {
	      throw new TypeError("Invalid attempt to spread non-iterable instance");
	    }

	    var objectPrototypeToString = Object.prototype.toString;
	    var jsonDiff = new Diff(); // Discriminate between two lines of pretty-printed, serialized JSON where one of them has a
	    // dangling comma and the other doesn't. Turns out including the dangling comma yields the nicest output:

	    jsonDiff.useLongestToken = true;
	    jsonDiff.tokenize = lineDiff.tokenize;

	    jsonDiff.castInput = function (value) {
	      var _this$options = this.options,
	          undefinedReplacement = _this$options.undefinedReplacement,
	          _this$options$stringi = _this$options.stringifyReplacer,
	          stringifyReplacer = _this$options$stringi === void 0 ? function (k, v) {
	        return typeof v === 'undefined' ? undefinedReplacement : v;
	      } : _this$options$stringi;
	      return typeof value === 'string' ? value : JSON.stringify(canonicalize(value, null, null, stringifyReplacer), stringifyReplacer, '  ');
	    };

	    jsonDiff.equals = function (left, right) {
	      return Diff.prototype.equals.call(jsonDiff, left.replace(/,([\r\n])/g, '$1'), right.replace(/,([\r\n])/g, '$1'));
	    };

	    function diffJson(oldObj, newObj, options) {
	      return jsonDiff.diff(oldObj, newObj, options);
	    } // This function handles the presence of circular references by bailing out when encountering an
	    // object that is already on the "stack" of items being processed. Accepts an optional replacer


	    function canonicalize(obj, stack, replacementStack, replacer, key) {
	      stack = stack || [];
	      replacementStack = replacementStack || [];

	      if (replacer) {
	        obj = replacer(key, obj);
	      }

	      var i;

	      for (i = 0; i < stack.length; i += 1) {
	        if (stack[i] === obj) {
	          return replacementStack[i];
	        }
	      }

	      var canonicalizedObj;

	      if ('[object Array]' === objectPrototypeToString.call(obj)) {
	        stack.push(obj);
	        canonicalizedObj = new Array(obj.length);
	        replacementStack.push(canonicalizedObj);

	        for (i = 0; i < obj.length; i += 1) {
	          canonicalizedObj[i] = canonicalize(obj[i], stack, replacementStack, replacer, key);
	        }

	        stack.pop();
	        replacementStack.pop();
	        return canonicalizedObj;
	      }

	      if (obj && obj.toJSON) {
	        obj = obj.toJSON();
	      }

	      if (_typeof$1(obj) === 'object' && obj !== null) {
	        stack.push(obj);
	        canonicalizedObj = {};
	        replacementStack.push(canonicalizedObj);

	        var sortedKeys = [],
	            _key;

	        for (_key in obj) {
	          /* istanbul ignore else */
	          if (obj.hasOwnProperty(_key)) {
	            sortedKeys.push(_key);
	          }
	        }

	        sortedKeys.sort();

	        for (i = 0; i < sortedKeys.length; i += 1) {
	          _key = sortedKeys[i];
	          canonicalizedObj[_key] = canonicalize(obj[_key], stack, replacementStack, replacer, _key);
	        }

	        stack.pop();
	        replacementStack.pop();
	      } else {
	        canonicalizedObj = obj;
	      }

	      return canonicalizedObj;
	    }

	    var arrayDiff = new Diff();

	    arrayDiff.tokenize = function (value) {
	      return value.slice();
	    };

	    arrayDiff.join = arrayDiff.removeEmpty = function (value) {
	      return value;
	    };

	    function diffArrays(oldArr, newArr, callback) {
	      return arrayDiff.diff(oldArr, newArr, callback);
	    }

	    function parsePatch(uniDiff) {
	      var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
	      var diffstr = uniDiff.split(/\r\n|[\n\v\f\r\x85]/),
	          delimiters = uniDiff.match(/\r\n|[\n\v\f\r\x85]/g) || [],
	          list = [],
	          i = 0;

	      function parseIndex() {
	        var index = {};
	        list.push(index); // Parse diff metadata

	        while (i < diffstr.length) {
	          var line = diffstr[i]; // File header found, end parsing diff metadata

	          if (/^(\-\-\-|\+\+\+|@@)\s/.test(line)) {
	            break;
	          } // Diff index


	          var header = /^(?:Index:|diff(?: -r \w+)+)\s+(.+?)\s*$/.exec(line);

	          if (header) {
	            index.index = header[1];
	          }

	          i++;
	        } // Parse file headers if they are defined. Unified diff requires them, but
	        // there's no technical issues to have an isolated hunk without file header


	        parseFileHeader(index);
	        parseFileHeader(index); // Parse hunks

	        index.hunks = [];

	        while (i < diffstr.length) {
	          var _line = diffstr[i];

	          if (/^(Index:|diff|\-\-\-|\+\+\+)\s/.test(_line)) {
	            break;
	          } else if (/^@@/.test(_line)) {
	            index.hunks.push(parseHunk());
	          } else if (_line && options.strict) {
	            // Ignore unexpected content unless in strict mode
	            throw new Error('Unknown line ' + (i + 1) + ' ' + JSON.stringify(_line));
	          } else {
	            i++;
	          }
	        }
	      } // Parses the --- and +++ headers, if none are found, no lines
	      // are consumed.


	      function parseFileHeader(index) {
	        var fileHeader = /^(---|\+\+\+)\s+(.*)$/.exec(diffstr[i]);

	        if (fileHeader) {
	          var keyPrefix = fileHeader[1] === '---' ? 'old' : 'new';
	          var data = fileHeader[2].split('\t', 2);
	          var fileName = data[0].replace(/\\\\/g, '\\');

	          if (/^".*"$/.test(fileName)) {
	            fileName = fileName.substr(1, fileName.length - 2);
	          }

	          index[keyPrefix + 'FileName'] = fileName;
	          index[keyPrefix + 'Header'] = (data[1] || '').trim();
	          i++;
	        }
	      } // Parses a hunk
	      // This assumes that we are at the start of a hunk.


	      function parseHunk() {
	        var chunkHeaderIndex = i,
	            chunkHeaderLine = diffstr[i++],
	            chunkHeader = chunkHeaderLine.split(/@@ -(\d+)(?:,(\d+))? \+(\d+)(?:,(\d+))? @@/);
	        var hunk = {
	          oldStart: +chunkHeader[1],
	          oldLines: +chunkHeader[2] || 1,
	          newStart: +chunkHeader[3],
	          newLines: +chunkHeader[4] || 1,
	          lines: [],
	          linedelimiters: []
	        };
	        var addCount = 0,
	            removeCount = 0;

	        for (; i < diffstr.length; i++) {
	          // Lines starting with '---' could be mistaken for the "remove line" operation
	          // But they could be the header for the next file. Therefore prune such cases out.
	          if (diffstr[i].indexOf('--- ') === 0 && i + 2 < diffstr.length && diffstr[i + 1].indexOf('+++ ') === 0 && diffstr[i + 2].indexOf('@@') === 0) {
	            break;
	          }

	          var operation = diffstr[i].length == 0 && i != diffstr.length - 1 ? ' ' : diffstr[i][0];

	          if (operation === '+' || operation === '-' || operation === ' ' || operation === '\\') {
	            hunk.lines.push(diffstr[i]);
	            hunk.linedelimiters.push(delimiters[i] || '\n');

	            if (operation === '+') {
	              addCount++;
	            } else if (operation === '-') {
	              removeCount++;
	            } else if (operation === ' ') {
	              addCount++;
	              removeCount++;
	            }
	          } else {
	            break;
	          }
	        } // Handle the empty block count case


	        if (!addCount && hunk.newLines === 1) {
	          hunk.newLines = 0;
	        }

	        if (!removeCount && hunk.oldLines === 1) {
	          hunk.oldLines = 0;
	        } // Perform optional sanity checking


	        if (options.strict) {
	          if (addCount !== hunk.newLines) {
	            throw new Error('Added line count did not match for hunk at line ' + (chunkHeaderIndex + 1));
	          }

	          if (removeCount !== hunk.oldLines) {
	            throw new Error('Removed line count did not match for hunk at line ' + (chunkHeaderIndex + 1));
	          }
	        }

	        return hunk;
	      }

	      while (i < diffstr.length) {
	        parseIndex();
	      }

	      return list;
	    } // Iterator that traverses in the range of [min, max], stepping
	    // by distance from a given start position. I.e. for [0, 4], with
	    // start of 2, this will iterate 2, 3, 1, 4, 0.


	    function distanceIterator(start, minLine, maxLine) {
	      var wantForward = true,
	          backwardExhausted = false,
	          forwardExhausted = false,
	          localOffset = 1;
	      return function iterator() {
	        if (wantForward && !forwardExhausted) {
	          if (backwardExhausted) {
	            localOffset++;
	          } else {
	            wantForward = false;
	          } // Check if trying to fit beyond text length, and if not, check it fits
	          // after offset location (or desired location on first iteration)


	          if (start + localOffset <= maxLine) {
	            return localOffset;
	          }

	          forwardExhausted = true;
	        }

	        if (!backwardExhausted) {
	          if (!forwardExhausted) {
	            wantForward = true;
	          } // Check if trying to fit before text beginning, and if not, check it fits
	          // before offset location


	          if (minLine <= start - localOffset) {
	            return -localOffset++;
	          }

	          backwardExhausted = true;
	          return iterator();
	        } // We tried to fit hunk before text beginning and beyond text length, then
	        // hunk can't fit on the text. Return undefined

	      };
	    }

	    function applyPatch(source, uniDiff) {
	      var options = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {};

	      if (typeof uniDiff === 'string') {
	        uniDiff = parsePatch(uniDiff);
	      }

	      if (Array.isArray(uniDiff)) {
	        if (uniDiff.length > 1) {
	          throw new Error('applyPatch only works with a single input.');
	        }

	        uniDiff = uniDiff[0];
	      } // Apply the diff to the input


	      var lines = source.split(/\r\n|[\n\v\f\r\x85]/),
	          delimiters = source.match(/\r\n|[\n\v\f\r\x85]/g) || [],
	          hunks = uniDiff.hunks,
	          compareLine = options.compareLine || function (lineNumber, line, operation, patchContent) {
	        return line === patchContent;
	      },
	          errorCount = 0,
	          fuzzFactor = options.fuzzFactor || 0,
	          minLine = 0,
	          offset = 0,
	          removeEOFNL,
	          addEOFNL;
	      /**
	       * Checks if the hunk exactly fits on the provided location
	       */


	      function hunkFits(hunk, toPos) {
	        for (var j = 0; j < hunk.lines.length; j++) {
	          var line = hunk.lines[j],
	              operation = line.length > 0 ? line[0] : ' ',
	              content = line.length > 0 ? line.substr(1) : line;

	          if (operation === ' ' || operation === '-') {
	            // Context sanity check
	            if (!compareLine(toPos + 1, lines[toPos], operation, content)) {
	              errorCount++;

	              if (errorCount > fuzzFactor) {
	                return false;
	              }
	            }

	            toPos++;
	          }
	        }

	        return true;
	      } // Search best fit offsets for each hunk based on the previous ones


	      for (var i = 0; i < hunks.length; i++) {
	        var hunk = hunks[i],
	            maxLine = lines.length - hunk.oldLines,
	            localOffset = 0,
	            toPos = offset + hunk.oldStart - 1;
	        var iterator = distanceIterator(toPos, minLine, maxLine);

	        for (; localOffset !== undefined; localOffset = iterator()) {
	          if (hunkFits(hunk, toPos + localOffset)) {
	            hunk.offset = offset += localOffset;
	            break;
	          }
	        }

	        if (localOffset === undefined) {
	          return false;
	        } // Set lower text limit to end of the current hunk, so next ones don't try
	        // to fit over already patched text


	        minLine = hunk.offset + hunk.oldStart + hunk.oldLines;
	      } // Apply patch hunks


	      var diffOffset = 0;

	      for (var _i = 0; _i < hunks.length; _i++) {
	        var _hunk = hunks[_i],
	            _toPos = _hunk.oldStart + _hunk.offset + diffOffset - 1;

	        diffOffset += _hunk.newLines - _hunk.oldLines;

	        if (_toPos < 0) {
	          // Creating a new file
	          _toPos = 0;
	        }

	        for (var j = 0; j < _hunk.lines.length; j++) {
	          var line = _hunk.lines[j],
	              operation = line.length > 0 ? line[0] : ' ',
	              content = line.length > 0 ? line.substr(1) : line,
	              delimiter = _hunk.linedelimiters[j];

	          if (operation === ' ') {
	            _toPos++;
	          } else if (operation === '-') {
	            lines.splice(_toPos, 1);
	            delimiters.splice(_toPos, 1);
	            /* istanbul ignore else */
	          } else if (operation === '+') {
	            lines.splice(_toPos, 0, content);
	            delimiters.splice(_toPos, 0, delimiter);
	            _toPos++;
	          } else if (operation === '\\') {
	            var previousOperation = _hunk.lines[j - 1] ? _hunk.lines[j - 1][0] : null;

	            if (previousOperation === '+') {
	              removeEOFNL = true;
	            } else if (previousOperation === '-') {
	              addEOFNL = true;
	            }
	          }
	        }
	      } // Handle EOFNL insertion/removal


	      if (removeEOFNL) {
	        while (!lines[lines.length - 1]) {
	          lines.pop();
	          delimiters.pop();
	        }
	      } else if (addEOFNL) {
	        lines.push('');
	        delimiters.push('\n');
	      }

	      for (var _k = 0; _k < lines.length - 1; _k++) {
	        lines[_k] = lines[_k] + delimiters[_k];
	      }

	      return lines.join('');
	    } // Wrapper that supports multiple file patches via callbacks.


	    function applyPatches(uniDiff, options) {
	      if (typeof uniDiff === 'string') {
	        uniDiff = parsePatch(uniDiff);
	      }

	      var currentIndex = 0;

	      function processIndex() {
	        var index = uniDiff[currentIndex++];

	        if (!index) {
	          return options.complete();
	        }

	        options.loadFile(index, function (err, data) {
	          if (err) {
	            return options.complete(err);
	          }

	          var updatedContent = applyPatch(data, index, options);
	          options.patched(index, updatedContent, function (err) {
	            if (err) {
	              return options.complete(err);
	            }

	            processIndex();
	          });
	        });
	      }

	      processIndex();
	    }

	    function structuredPatch(oldFileName, newFileName, oldStr, newStr, oldHeader, newHeader, options) {
	      if (!options) {
	        options = {};
	      }

	      if (typeof options.context === 'undefined') {
	        options.context = 4;
	      }

	      var diff = diffLines(oldStr, newStr, options);
	      diff.push({
	        value: '',
	        lines: []
	      }); // Append an empty value to make cleanup easier

	      function contextLines(lines) {
	        return lines.map(function (entry) {
	          return ' ' + entry;
	        });
	      }

	      var hunks = [];
	      var oldRangeStart = 0,
	          newRangeStart = 0,
	          curRange = [],
	          oldLine = 1,
	          newLine = 1;

	      var _loop = function _loop(i) {
	        var current = diff[i],
	            lines = current.lines || current.value.replace(/\n$/, '').split('\n');
	        current.lines = lines;

	        if (current.added || current.removed) {
	          var _curRange; // If we have previous context, start with that


	          if (!oldRangeStart) {
	            var prev = diff[i - 1];
	            oldRangeStart = oldLine;
	            newRangeStart = newLine;

	            if (prev) {
	              curRange = options.context > 0 ? contextLines(prev.lines.slice(-options.context)) : [];
	              oldRangeStart -= curRange.length;
	              newRangeStart -= curRange.length;
	            }
	          } // Output our changes


	          (_curRange = curRange).push.apply(_curRange, _toConsumableArray(lines.map(function (entry) {
	            return (current.added ? '+' : '-') + entry;
	          }))); // Track the updated file position


	          if (current.added) {
	            newLine += lines.length;
	          } else {
	            oldLine += lines.length;
	          }
	        } else {
	          // Identical context lines. Track line changes
	          if (oldRangeStart) {
	            // Close out any changes that have been output (or join overlapping)
	            if (lines.length <= options.context * 2 && i < diff.length - 2) {
	              var _curRange2; // Overlapping


	              (_curRange2 = curRange).push.apply(_curRange2, _toConsumableArray(contextLines(lines)));
	            } else {
	              var _curRange3; // end the range and output


	              var contextSize = Math.min(lines.length, options.context);

	              (_curRange3 = curRange).push.apply(_curRange3, _toConsumableArray(contextLines(lines.slice(0, contextSize))));

	              var hunk = {
	                oldStart: oldRangeStart,
	                oldLines: oldLine - oldRangeStart + contextSize,
	                newStart: newRangeStart,
	                newLines: newLine - newRangeStart + contextSize,
	                lines: curRange
	              };

	              if (i >= diff.length - 2 && lines.length <= options.context) {
	                // EOF is inside this hunk
	                var oldEOFNewline = /\n$/.test(oldStr);
	                var newEOFNewline = /\n$/.test(newStr);
	                var noNlBeforeAdds = lines.length == 0 && curRange.length > hunk.oldLines;

	                if (!oldEOFNewline && noNlBeforeAdds) {
	                  // special case: old has no eol and no trailing context; no-nl can end up before adds
	                  curRange.splice(hunk.oldLines, 0, '\\ No newline at end of file');
	                }

	                if (!oldEOFNewline && !noNlBeforeAdds || !newEOFNewline) {
	                  curRange.push('\\ No newline at end of file');
	                }
	              }

	              hunks.push(hunk);
	              oldRangeStart = 0;
	              newRangeStart = 0;
	              curRange = [];
	            }
	          }

	          oldLine += lines.length;
	          newLine += lines.length;
	        }
	      };

	      for (var i = 0; i < diff.length; i++) {
	        _loop(i);
	      }

	      return {
	        oldFileName: oldFileName,
	        newFileName: newFileName,
	        oldHeader: oldHeader,
	        newHeader: newHeader,
	        hunks: hunks
	      };
	    }

	    function createTwoFilesPatch(oldFileName, newFileName, oldStr, newStr, oldHeader, newHeader, options) {
	      var diff = structuredPatch(oldFileName, newFileName, oldStr, newStr, oldHeader, newHeader, options);
	      var ret = [];

	      if (oldFileName == newFileName) {
	        ret.push('Index: ' + oldFileName);
	      }

	      ret.push('===================================================================');
	      ret.push('--- ' + diff.oldFileName + (typeof diff.oldHeader === 'undefined' ? '' : '\t' + diff.oldHeader));
	      ret.push('+++ ' + diff.newFileName + (typeof diff.newHeader === 'undefined' ? '' : '\t' + diff.newHeader));

	      for (var i = 0; i < diff.hunks.length; i++) {
	        var hunk = diff.hunks[i];
	        ret.push('@@ -' + hunk.oldStart + ',' + hunk.oldLines + ' +' + hunk.newStart + ',' + hunk.newLines + ' @@');
	        ret.push.apply(ret, hunk.lines);
	      }

	      return ret.join('\n') + '\n';
	    }

	    function createPatch(fileName, oldStr, newStr, oldHeader, newHeader, options) {
	      return createTwoFilesPatch(fileName, fileName, oldStr, newStr, oldHeader, newHeader, options);
	    }

	    function arrayEqual(a, b) {
	      if (a.length !== b.length) {
	        return false;
	      }

	      return arrayStartsWith(a, b);
	    }

	    function arrayStartsWith(array, start) {
	      if (start.length > array.length) {
	        return false;
	      }

	      for (var i = 0; i < start.length; i++) {
	        if (start[i] !== array[i]) {
	          return false;
	        }
	      }

	      return true;
	    }

	    function calcLineCount(hunk) {
	      var _calcOldNewLineCount = calcOldNewLineCount(hunk.lines),
	          oldLines = _calcOldNewLineCount.oldLines,
	          newLines = _calcOldNewLineCount.newLines;

	      if (oldLines !== undefined) {
	        hunk.oldLines = oldLines;
	      } else {
	        delete hunk.oldLines;
	      }

	      if (newLines !== undefined) {
	        hunk.newLines = newLines;
	      } else {
	        delete hunk.newLines;
	      }
	    }

	    function merge(mine, theirs, base) {
	      mine = loadPatch(mine, base);
	      theirs = loadPatch(theirs, base);
	      var ret = {}; // For index we just let it pass through as it doesn't have any necessary meaning.
	      // Leaving sanity checks on this to the API consumer that may know more about the
	      // meaning in their own context.

	      if (mine.index || theirs.index) {
	        ret.index = mine.index || theirs.index;
	      }

	      if (mine.newFileName || theirs.newFileName) {
	        if (!fileNameChanged(mine)) {
	          // No header or no change in ours, use theirs (and ours if theirs does not exist)
	          ret.oldFileName = theirs.oldFileName || mine.oldFileName;
	          ret.newFileName = theirs.newFileName || mine.newFileName;
	          ret.oldHeader = theirs.oldHeader || mine.oldHeader;
	          ret.newHeader = theirs.newHeader || mine.newHeader;
	        } else if (!fileNameChanged(theirs)) {
	          // No header or no change in theirs, use ours
	          ret.oldFileName = mine.oldFileName;
	          ret.newFileName = mine.newFileName;
	          ret.oldHeader = mine.oldHeader;
	          ret.newHeader = mine.newHeader;
	        } else {
	          // Both changed... figure it out
	          ret.oldFileName = selectField(ret, mine.oldFileName, theirs.oldFileName);
	          ret.newFileName = selectField(ret, mine.newFileName, theirs.newFileName);
	          ret.oldHeader = selectField(ret, mine.oldHeader, theirs.oldHeader);
	          ret.newHeader = selectField(ret, mine.newHeader, theirs.newHeader);
	        }
	      }

	      ret.hunks = [];
	      var mineIndex = 0,
	          theirsIndex = 0,
	          mineOffset = 0,
	          theirsOffset = 0;

	      while (mineIndex < mine.hunks.length || theirsIndex < theirs.hunks.length) {
	        var mineCurrent = mine.hunks[mineIndex] || {
	          oldStart: Infinity
	        },
	            theirsCurrent = theirs.hunks[theirsIndex] || {
	          oldStart: Infinity
	        };

	        if (hunkBefore(mineCurrent, theirsCurrent)) {
	          // This patch does not overlap with any of the others, yay.
	          ret.hunks.push(cloneHunk(mineCurrent, mineOffset));
	          mineIndex++;
	          theirsOffset += mineCurrent.newLines - mineCurrent.oldLines;
	        } else if (hunkBefore(theirsCurrent, mineCurrent)) {
	          // This patch does not overlap with any of the others, yay.
	          ret.hunks.push(cloneHunk(theirsCurrent, theirsOffset));
	          theirsIndex++;
	          mineOffset += theirsCurrent.newLines - theirsCurrent.oldLines;
	        } else {
	          // Overlap, merge as best we can
	          var mergedHunk = {
	            oldStart: Math.min(mineCurrent.oldStart, theirsCurrent.oldStart),
	            oldLines: 0,
	            newStart: Math.min(mineCurrent.newStart + mineOffset, theirsCurrent.oldStart + theirsOffset),
	            newLines: 0,
	            lines: []
	          };
	          mergeLines(mergedHunk, mineCurrent.oldStart, mineCurrent.lines, theirsCurrent.oldStart, theirsCurrent.lines);
	          theirsIndex++;
	          mineIndex++;
	          ret.hunks.push(mergedHunk);
	        }
	      }

	      return ret;
	    }

	    function loadPatch(param, base) {
	      if (typeof param === 'string') {
	        if (/^@@/m.test(param) || /^Index:/m.test(param)) {
	          return parsePatch(param)[0];
	        }

	        if (!base) {
	          throw new Error('Must provide a base reference or pass in a patch');
	        }

	        return structuredPatch(undefined, undefined, base, param);
	      }

	      return param;
	    }

	    function fileNameChanged(patch) {
	      return patch.newFileName && patch.newFileName !== patch.oldFileName;
	    }

	    function selectField(index, mine, theirs) {
	      if (mine === theirs) {
	        return mine;
	      } else {
	        index.conflict = true;
	        return {
	          mine: mine,
	          theirs: theirs
	        };
	      }
	    }

	    function hunkBefore(test, check) {
	      return test.oldStart < check.oldStart && test.oldStart + test.oldLines < check.oldStart;
	    }

	    function cloneHunk(hunk, offset) {
	      return {
	        oldStart: hunk.oldStart,
	        oldLines: hunk.oldLines,
	        newStart: hunk.newStart + offset,
	        newLines: hunk.newLines,
	        lines: hunk.lines
	      };
	    }

	    function mergeLines(hunk, mineOffset, mineLines, theirOffset, theirLines) {
	      // This will generally result in a conflicted hunk, but there are cases where the context
	      // is the only overlap where we can successfully merge the content here.
	      var mine = {
	        offset: mineOffset,
	        lines: mineLines,
	        index: 0
	      },
	          their = {
	        offset: theirOffset,
	        lines: theirLines,
	        index: 0
	      }; // Handle any leading content

	      insertLeading(hunk, mine, their);
	      insertLeading(hunk, their, mine); // Now in the overlap content. Scan through and select the best changes from each.

	      while (mine.index < mine.lines.length && their.index < their.lines.length) {
	        var mineCurrent = mine.lines[mine.index],
	            theirCurrent = their.lines[their.index];

	        if ((mineCurrent[0] === '-' || mineCurrent[0] === '+') && (theirCurrent[0] === '-' || theirCurrent[0] === '+')) {
	          // Both modified ...
	          mutualChange(hunk, mine, their);
	        } else if (mineCurrent[0] === '+' && theirCurrent[0] === ' ') {
	          var _hunk$lines; // Mine inserted


	          (_hunk$lines = hunk.lines).push.apply(_hunk$lines, _toConsumableArray(collectChange(mine)));
	        } else if (theirCurrent[0] === '+' && mineCurrent[0] === ' ') {
	          var _hunk$lines2; // Theirs inserted


	          (_hunk$lines2 = hunk.lines).push.apply(_hunk$lines2, _toConsumableArray(collectChange(their)));
	        } else if (mineCurrent[0] === '-' && theirCurrent[0] === ' ') {
	          // Mine removed or edited
	          removal(hunk, mine, their);
	        } else if (theirCurrent[0] === '-' && mineCurrent[0] === ' ') {
	          // Their removed or edited
	          removal(hunk, their, mine, true);
	        } else if (mineCurrent === theirCurrent) {
	          // Context identity
	          hunk.lines.push(mineCurrent);
	          mine.index++;
	          their.index++;
	        } else {
	          // Context mismatch
	          conflict(hunk, collectChange(mine), collectChange(their));
	        }
	      } // Now push anything that may be remaining


	      insertTrailing(hunk, mine);
	      insertTrailing(hunk, their);
	      calcLineCount(hunk);
	    }

	    function mutualChange(hunk, mine, their) {
	      var myChanges = collectChange(mine),
	          theirChanges = collectChange(their);

	      if (allRemoves(myChanges) && allRemoves(theirChanges)) {
	        // Special case for remove changes that are supersets of one another
	        if (arrayStartsWith(myChanges, theirChanges) && skipRemoveSuperset(their, myChanges, myChanges.length - theirChanges.length)) {
	          var _hunk$lines3;

	          (_hunk$lines3 = hunk.lines).push.apply(_hunk$lines3, _toConsumableArray(myChanges));

	          return;
	        } else if (arrayStartsWith(theirChanges, myChanges) && skipRemoveSuperset(mine, theirChanges, theirChanges.length - myChanges.length)) {
	          var _hunk$lines4;

	          (_hunk$lines4 = hunk.lines).push.apply(_hunk$lines4, _toConsumableArray(theirChanges));

	          return;
	        }
	      } else if (arrayEqual(myChanges, theirChanges)) {
	        var _hunk$lines5;

	        (_hunk$lines5 = hunk.lines).push.apply(_hunk$lines5, _toConsumableArray(myChanges));

	        return;
	      }

	      conflict(hunk, myChanges, theirChanges);
	    }

	    function removal(hunk, mine, their, swap) {
	      var myChanges = collectChange(mine),
	          theirChanges = collectContext(their, myChanges);

	      if (theirChanges.merged) {
	        var _hunk$lines6;

	        (_hunk$lines6 = hunk.lines).push.apply(_hunk$lines6, _toConsumableArray(theirChanges.merged));
	      } else {
	        conflict(hunk, swap ? theirChanges : myChanges, swap ? myChanges : theirChanges);
	      }
	    }

	    function conflict(hunk, mine, their) {
	      hunk.conflict = true;
	      hunk.lines.push({
	        conflict: true,
	        mine: mine,
	        theirs: their
	      });
	    }

	    function insertLeading(hunk, insert, their) {
	      while (insert.offset < their.offset && insert.index < insert.lines.length) {
	        var line = insert.lines[insert.index++];
	        hunk.lines.push(line);
	        insert.offset++;
	      }
	    }

	    function insertTrailing(hunk, insert) {
	      while (insert.index < insert.lines.length) {
	        var line = insert.lines[insert.index++];
	        hunk.lines.push(line);
	      }
	    }

	    function collectChange(state) {
	      var ret = [],
	          operation = state.lines[state.index][0];

	      while (state.index < state.lines.length) {
	        var line = state.lines[state.index]; // Group additions that are immediately after subtractions and treat them as one "atomic" modify change.

	        if (operation === '-' && line[0] === '+') {
	          operation = '+';
	        }

	        if (operation === line[0]) {
	          ret.push(line);
	          state.index++;
	        } else {
	          break;
	        }
	      }

	      return ret;
	    }

	    function collectContext(state, matchChanges) {
	      var changes = [],
	          merged = [],
	          matchIndex = 0,
	          contextChanges = false,
	          conflicted = false;

	      while (matchIndex < matchChanges.length && state.index < state.lines.length) {
	        var change = state.lines[state.index],
	            match = matchChanges[matchIndex]; // Once we've hit our add, then we are done

	        if (match[0] === '+') {
	          break;
	        }

	        contextChanges = contextChanges || change[0] !== ' ';
	        merged.push(match);
	        matchIndex++; // Consume any additions in the other block as a conflict to attempt
	        // to pull in the remaining context after this

	        if (change[0] === '+') {
	          conflicted = true;

	          while (change[0] === '+') {
	            changes.push(change);
	            change = state.lines[++state.index];
	          }
	        }

	        if (match.substr(1) === change.substr(1)) {
	          changes.push(change);
	          state.index++;
	        } else {
	          conflicted = true;
	        }
	      }

	      if ((matchChanges[matchIndex] || '')[0] === '+' && contextChanges) {
	        conflicted = true;
	      }

	      if (conflicted) {
	        return changes;
	      }

	      while (matchIndex < matchChanges.length) {
	        merged.push(matchChanges[matchIndex++]);
	      }

	      return {
	        merged: merged,
	        changes: changes
	      };
	    }

	    function allRemoves(changes) {
	      return changes.reduce(function (prev, change) {
	        return prev && change[0] === '-';
	      }, true);
	    }

	    function skipRemoveSuperset(state, removeChanges, delta) {
	      for (var i = 0; i < delta; i++) {
	        var changeContent = removeChanges[removeChanges.length - delta + i].substr(1);

	        if (state.lines[state.index + i] !== ' ' + changeContent) {
	          return false;
	        }
	      }

	      state.index += delta;
	      return true;
	    }

	    function calcOldNewLineCount(lines) {
	      var oldLines = 0;
	      var newLines = 0;
	      lines.forEach(function (line) {
	        if (typeof line !== 'string') {
	          var myCount = calcOldNewLineCount(line.mine);
	          var theirCount = calcOldNewLineCount(line.theirs);

	          if (oldLines !== undefined) {
	            if (myCount.oldLines === theirCount.oldLines) {
	              oldLines += myCount.oldLines;
	            } else {
	              oldLines = undefined;
	            }
	          }

	          if (newLines !== undefined) {
	            if (myCount.newLines === theirCount.newLines) {
	              newLines += myCount.newLines;
	            } else {
	              newLines = undefined;
	            }
	          }
	        } else {
	          if (newLines !== undefined && (line[0] === '+' || line[0] === ' ')) {
	            newLines++;
	          }

	          if (oldLines !== undefined && (line[0] === '-' || line[0] === ' ')) {
	            oldLines++;
	          }
	        }
	      });
	      return {
	        oldLines: oldLines,
	        newLines: newLines
	      };
	    } // See: http://code.google.com/p/google-diff-match-patch/wiki/API


	    function convertChangesToDMP(changes) {
	      var ret = [],
	          change,
	          operation;

	      for (var i = 0; i < changes.length; i++) {
	        change = changes[i];

	        if (change.added) {
	          operation = 1;
	        } else if (change.removed) {
	          operation = -1;
	        } else {
	          operation = 0;
	        }

	        ret.push([operation, change.value]);
	      }

	      return ret;
	    }

	    function convertChangesToXML(changes) {
	      var ret = [];

	      for (var i = 0; i < changes.length; i++) {
	        var change = changes[i];

	        if (change.added) {
	          ret.push('<ins>');
	        } else if (change.removed) {
	          ret.push('<del>');
	        }

	        ret.push(escapeHTML(change.value));

	        if (change.added) {
	          ret.push('</ins>');
	        } else if (change.removed) {
	          ret.push('</del>');
	        }
	      }

	      return ret.join('');
	    }

	    function escapeHTML(s) {
	      var n = s;
	      n = n.replace(/&/g, '&amp;');
	      n = n.replace(/</g, '&lt;');
	      n = n.replace(/>/g, '&gt;');
	      n = n.replace(/"/g, '&quot;');
	      return n;
	    }
	    /* See LICENSE file for terms of use */


	    exports.Diff = Diff;
	    exports.diffChars = diffChars;
	    exports.diffWords = diffWords;
	    exports.diffWordsWithSpace = diffWordsWithSpace;
	    exports.diffLines = diffLines;
	    exports.diffTrimmedLines = diffTrimmedLines;
	    exports.diffSentences = diffSentences;
	    exports.diffCss = diffCss;
	    exports.diffJson = diffJson;
	    exports.diffArrays = diffArrays;
	    exports.structuredPatch = structuredPatch;
	    exports.createTwoFilesPatch = createTwoFilesPatch;
	    exports.createPatch = createPatch;
	    exports.applyPatch = applyPatch;
	    exports.applyPatches = applyPatches;
	    exports.parsePatch = parsePatch;
	    exports.merge = merge;
	    exports.convertChangesToDMP = convertChangesToDMP;
	    exports.convertChangesToXML = convertChangesToXML;
	    exports.canonicalize = canonicalize;
	    Object.defineProperty(exports, '__esModule', {
	      value: true
	    });
	  });
	});

	/**
	 * Helpers.
	 */
	var s = 1000;
	var m = s * 60;
	var h = m * 60;
	var d = h * 24;
	var w = d * 7;
	var y = d * 365.25;
	/**
	 * Parse or format the given `val`.
	 *
	 * Options:
	 *
	 *  - `long` verbose formatting [false]
	 *
	 * @param {String|Number} val
	 * @param {Object} [options]
	 * @throws {Error} throw an error if val is not a non-empty string or a number
	 * @return {String|Number}
	 * @api public
	 */

	var ms = function ms(val, options) {
	  options = options || {};

	  var type = _typeof(val);

	  if (type === 'string' && val.length > 0) {
	    return parse(val);
	  } else if (type === 'number' && isFinite(val)) {
	    return options["long"] ? fmtLong(val) : fmtShort(val);
	  }

	  throw new Error('val is not a non-empty string or a valid number. val=' + JSON.stringify(val));
	};
	/**
	 * Parse the given `str` and return milliseconds.
	 *
	 * @param {String} str
	 * @return {Number}
	 * @api private
	 */


	function parse(str) {
	  str = String(str);

	  if (str.length > 100) {
	    return;
	  }

	  var match = /^(-?(?:\d+)?\.?\d+) *(milliseconds?|msecs?|ms|seconds?|secs?|s|minutes?|mins?|m|hours?|hrs?|h|days?|d|weeks?|w|years?|yrs?|y)?$/i.exec(str);

	  if (!match) {
	    return;
	  }

	  var n = parseFloat(match[1]);
	  var type = (match[2] || 'ms').toLowerCase();

	  switch (type) {
	    case 'years':
	    case 'year':
	    case 'yrs':
	    case 'yr':
	    case 'y':
	      return n * y;

	    case 'weeks':
	    case 'week':
	    case 'w':
	      return n * w;

	    case 'days':
	    case 'day':
	    case 'd':
	      return n * d;

	    case 'hours':
	    case 'hour':
	    case 'hrs':
	    case 'hr':
	    case 'h':
	      return n * h;

	    case 'minutes':
	    case 'minute':
	    case 'mins':
	    case 'min':
	    case 'm':
	      return n * m;

	    case 'seconds':
	    case 'second':
	    case 'secs':
	    case 'sec':
	    case 's':
	      return n * s;

	    case 'milliseconds':
	    case 'millisecond':
	    case 'msecs':
	    case 'msec':
	    case 'ms':
	      return n;

	    default:
	      return undefined;
	  }
	}
	/**
	 * Short format for `ms`.
	 *
	 * @param {Number} ms
	 * @return {String}
	 * @api private
	 */


	function fmtShort(ms) {
	  var msAbs = Math.abs(ms);

	  if (msAbs >= d) {
	    return Math.round(ms / d) + 'd';
	  }

	  if (msAbs >= h) {
	    return Math.round(ms / h) + 'h';
	  }

	  if (msAbs >= m) {
	    return Math.round(ms / m) + 'm';
	  }

	  if (msAbs >= s) {
	    return Math.round(ms / s) + 's';
	  }

	  return ms + 'ms';
	}
	/**
	 * Long format for `ms`.
	 *
	 * @param {Number} ms
	 * @return {String}
	 * @api private
	 */


	function fmtLong(ms) {
	  var msAbs = Math.abs(ms);

	  if (msAbs >= d) {
	    return plural(ms, msAbs, d, 'day');
	  }

	  if (msAbs >= h) {
	    return plural(ms, msAbs, h, 'hour');
	  }

	  if (msAbs >= m) {
	    return plural(ms, msAbs, m, 'minute');
	  }

	  if (msAbs >= s) {
	    return plural(ms, msAbs, s, 'second');
	  }

	  return ms + ' ms';
	}
	/**
	 * Pluralization helper.
	 */


	function plural(ms, msAbs, n, name) {
	  var isPlural = msAbs >= n * 1.5;
	  return Math.round(ms / n) + ' ' + name + (isPlural ? 's' : '');
	}

	var freezing = !fails(function () {
	  return Object.isExtensible(Object.preventExtensions({}));
	});

	var internalMetadata = createCommonjsModule(function (module) {
	var defineProperty = objectDefineProperty.f;



	var METADATA = uid('meta');
	var id = 0;

	var isExtensible = Object.isExtensible || function () {
	  return true;
	};

	var setMetadata = function (it) {
	  defineProperty(it, METADATA, { value: {
	    objectID: 'O' + ++id, // object ID
	    weakData: {}          // weak collections IDs
	  } });
	};

	var fastKey = function (it, create) {
	  // return a primitive with prefix
	  if (!isObject(it)) return typeof it == 'symbol' ? it : (typeof it == 'string' ? 'S' : 'P') + it;
	  if (!has(it, METADATA)) {
	    // can't set metadata to uncaught frozen object
	    if (!isExtensible(it)) return 'F';
	    // not necessary to add metadata
	    if (!create) return 'E';
	    // add missing metadata
	    setMetadata(it);
	  // return object ID
	  } return it[METADATA].objectID;
	};

	var getWeakData = function (it, create) {
	  if (!has(it, METADATA)) {
	    // can't set metadata to uncaught frozen object
	    if (!isExtensible(it)) return true;
	    // not necessary to add metadata
	    if (!create) return false;
	    // add missing metadata
	    setMetadata(it);
	  // return the store of weak collections IDs
	  } return it[METADATA].weakData;
	};

	// add metadata on freeze-family methods calling
	var onFreeze = function (it) {
	  if (freezing && meta.REQUIRED && isExtensible(it) && !has(it, METADATA)) setMetadata(it);
	  return it;
	};

	var meta = module.exports = {
	  REQUIRED: false,
	  fastKey: fastKey,
	  getWeakData: getWeakData,
	  onFreeze: onFreeze
	};

	hiddenKeys[METADATA] = true;
	});

	var onFreeze = internalMetadata.onFreeze;

	var nativeFreeze = Object.freeze;
	var FAILS_ON_PRIMITIVES$4 = fails(function () { nativeFreeze(1); });

	// `Object.freeze` method
	// https://tc39.github.io/ecma262/#sec-object.freeze
	_export({ target: 'Object', stat: true, forced: FAILS_ON_PRIMITIVES$4, sham: !freezing }, {
	  freeze: function freeze(it) {
	    return nativeFreeze && isObject(it) ? nativeFreeze(onFreeze(it)) : it;
	  }
	});

	var collection = function (CONSTRUCTOR_NAME, wrapper, common) {
	  var IS_MAP = CONSTRUCTOR_NAME.indexOf('Map') !== -1;
	  var IS_WEAK = CONSTRUCTOR_NAME.indexOf('Weak') !== -1;
	  var ADDER = IS_MAP ? 'set' : 'add';
	  var NativeConstructor = global_1[CONSTRUCTOR_NAME];
	  var NativePrototype = NativeConstructor && NativeConstructor.prototype;
	  var Constructor = NativeConstructor;
	  var exported = {};

	  var fixMethod = function (KEY) {
	    var nativeMethod = NativePrototype[KEY];
	    redefine(NativePrototype, KEY,
	      KEY == 'add' ? function add(value) {
	        nativeMethod.call(this, value === 0 ? 0 : value);
	        return this;
	      } : KEY == 'delete' ? function (key) {
	        return IS_WEAK && !isObject(key) ? false : nativeMethod.call(this, key === 0 ? 0 : key);
	      } : KEY == 'get' ? function get(key) {
	        return IS_WEAK && !isObject(key) ? undefined : nativeMethod.call(this, key === 0 ? 0 : key);
	      } : KEY == 'has' ? function has(key) {
	        return IS_WEAK && !isObject(key) ? false : nativeMethod.call(this, key === 0 ? 0 : key);
	      } : function set(key, value) {
	        nativeMethod.call(this, key === 0 ? 0 : key, value);
	        return this;
	      }
	    );
	  };

	  // eslint-disable-next-line max-len
	  if (isForced_1(CONSTRUCTOR_NAME, typeof NativeConstructor != 'function' || !(IS_WEAK || NativePrototype.forEach && !fails(function () {
	    new NativeConstructor().entries().next();
	  })))) {
	    // create collection constructor
	    Constructor = common.getConstructor(wrapper, CONSTRUCTOR_NAME, IS_MAP, ADDER);
	    internalMetadata.REQUIRED = true;
	  } else if (isForced_1(CONSTRUCTOR_NAME, true)) {
	    var instance = new Constructor();
	    // early implementations not supports chaining
	    var HASNT_CHAINING = instance[ADDER](IS_WEAK ? {} : -0, 1) != instance;
	    // V8 ~ Chromium 40- weak-collections throws on primitives, but should return false
	    var THROWS_ON_PRIMITIVES = fails(function () { instance.has(1); });
	    // most early implementations doesn't supports iterables, most modern - not close it correctly
	    // eslint-disable-next-line no-new
	    var ACCEPT_ITERABLES = checkCorrectnessOfIteration(function (iterable) { new NativeConstructor(iterable); });
	    // for early implementations -0 and +0 not the same
	    var BUGGY_ZERO = !IS_WEAK && fails(function () {
	      // V8 ~ Chromium 42- fails only with 5+ elements
	      var $instance = new NativeConstructor();
	      var index = 5;
	      while (index--) $instance[ADDER](index, index);
	      return !$instance.has(-0);
	    });

	    if (!ACCEPT_ITERABLES) {
	      Constructor = wrapper(function (dummy, iterable) {
	        anInstance(dummy, Constructor, CONSTRUCTOR_NAME);
	        var that = inheritIfRequired(new NativeConstructor(), dummy, Constructor);
	        if (iterable != undefined) iterate_1(iterable, that[ADDER], that, IS_MAP);
	        return that;
	      });
	      Constructor.prototype = NativePrototype;
	      NativePrototype.constructor = Constructor;
	    }

	    if (THROWS_ON_PRIMITIVES || BUGGY_ZERO) {
	      fixMethod('delete');
	      fixMethod('has');
	      IS_MAP && fixMethod('get');
	    }

	    if (BUGGY_ZERO || HASNT_CHAINING) fixMethod(ADDER);

	    // weak collections should not contains .clear method
	    if (IS_WEAK && NativePrototype.clear) delete NativePrototype.clear;
	  }

	  exported[CONSTRUCTOR_NAME] = Constructor;
	  _export({ global: true, forced: Constructor != NativeConstructor }, exported);

	  setToStringTag(Constructor, CONSTRUCTOR_NAME);

	  if (!IS_WEAK) common.setStrong(Constructor, CONSTRUCTOR_NAME, IS_MAP);

	  return Constructor;
	};

	var defineProperty$a = objectDefineProperty.f;








	var fastKey = internalMetadata.fastKey;


	var setInternalState$6 = internalState.set;
	var internalStateGetterFor = internalState.getterFor;

	var collectionStrong = {
	  getConstructor: function (wrapper, CONSTRUCTOR_NAME, IS_MAP, ADDER) {
	    var C = wrapper(function (that, iterable) {
	      anInstance(that, C, CONSTRUCTOR_NAME);
	      setInternalState$6(that, {
	        type: CONSTRUCTOR_NAME,
	        index: objectCreate(null),
	        first: undefined,
	        last: undefined,
	        size: 0
	      });
	      if (!descriptors) that.size = 0;
	      if (iterable != undefined) iterate_1(iterable, that[ADDER], that, IS_MAP);
	    });

	    var getInternalState = internalStateGetterFor(CONSTRUCTOR_NAME);

	    var define = function (that, key, value) {
	      var state = getInternalState(that);
	      var entry = getEntry(that, key);
	      var previous, index;
	      // change existing entry
	      if (entry) {
	        entry.value = value;
	      // create new entry
	      } else {
	        state.last = entry = {
	          index: index = fastKey(key, true),
	          key: key,
	          value: value,
	          previous: previous = state.last,
	          next: undefined,
	          removed: false
	        };
	        if (!state.first) state.first = entry;
	        if (previous) previous.next = entry;
	        if (descriptors) state.size++;
	        else that.size++;
	        // add to index
	        if (index !== 'F') state.index[index] = entry;
	      } return that;
	    };

	    var getEntry = function (that, key) {
	      var state = getInternalState(that);
	      // fast case
	      var index = fastKey(key);
	      var entry;
	      if (index !== 'F') return state.index[index];
	      // frozen object case
	      for (entry = state.first; entry; entry = entry.next) {
	        if (entry.key == key) return entry;
	      }
	    };

	    redefineAll(C.prototype, {
	      // 23.1.3.1 Map.prototype.clear()
	      // 23.2.3.2 Set.prototype.clear()
	      clear: function clear() {
	        var that = this;
	        var state = getInternalState(that);
	        var data = state.index;
	        var entry = state.first;
	        while (entry) {
	          entry.removed = true;
	          if (entry.previous) entry.previous = entry.previous.next = undefined;
	          delete data[entry.index];
	          entry = entry.next;
	        }
	        state.first = state.last = undefined;
	        if (descriptors) state.size = 0;
	        else that.size = 0;
	      },
	      // 23.1.3.3 Map.prototype.delete(key)
	      // 23.2.3.4 Set.prototype.delete(value)
	      'delete': function (key) {
	        var that = this;
	        var state = getInternalState(that);
	        var entry = getEntry(that, key);
	        if (entry) {
	          var next = entry.next;
	          var prev = entry.previous;
	          delete state.index[entry.index];
	          entry.removed = true;
	          if (prev) prev.next = next;
	          if (next) next.previous = prev;
	          if (state.first == entry) state.first = next;
	          if (state.last == entry) state.last = prev;
	          if (descriptors) state.size--;
	          else that.size--;
	        } return !!entry;
	      },
	      // 23.2.3.6 Set.prototype.forEach(callbackfn, thisArg = undefined)
	      // 23.1.3.5 Map.prototype.forEach(callbackfn, thisArg = undefined)
	      forEach: function forEach(callbackfn /* , that = undefined */) {
	        var state = getInternalState(this);
	        var boundFunction = functionBindContext(callbackfn, arguments.length > 1 ? arguments[1] : undefined, 3);
	        var entry;
	        while (entry = entry ? entry.next : state.first) {
	          boundFunction(entry.value, entry.key, this);
	          // revert to the last existing entry
	          while (entry && entry.removed) entry = entry.previous;
	        }
	      },
	      // 23.1.3.7 Map.prototype.has(key)
	      // 23.2.3.7 Set.prototype.has(value)
	      has: function has(key) {
	        return !!getEntry(this, key);
	      }
	    });

	    redefineAll(C.prototype, IS_MAP ? {
	      // 23.1.3.6 Map.prototype.get(key)
	      get: function get(key) {
	        var entry = getEntry(this, key);
	        return entry && entry.value;
	      },
	      // 23.1.3.9 Map.prototype.set(key, value)
	      set: function set(key, value) {
	        return define(this, key === 0 ? 0 : key, value);
	      }
	    } : {
	      // 23.2.3.1 Set.prototype.add(value)
	      add: function add(value) {
	        return define(this, value = value === 0 ? 0 : value, value);
	      }
	    });
	    if (descriptors) defineProperty$a(C.prototype, 'size', {
	      get: function () {
	        return getInternalState(this).size;
	      }
	    });
	    return C;
	  },
	  setStrong: function (C, CONSTRUCTOR_NAME, IS_MAP) {
	    var ITERATOR_NAME = CONSTRUCTOR_NAME + ' Iterator';
	    var getInternalCollectionState = internalStateGetterFor(CONSTRUCTOR_NAME);
	    var getInternalIteratorState = internalStateGetterFor(ITERATOR_NAME);
	    // add .keys, .values, .entries, [@@iterator]
	    // 23.1.3.4, 23.1.3.8, 23.1.3.11, 23.1.3.12, 23.2.3.5, 23.2.3.8, 23.2.3.10, 23.2.3.11
	    defineIterator(C, CONSTRUCTOR_NAME, function (iterated, kind) {
	      setInternalState$6(this, {
	        type: ITERATOR_NAME,
	        target: iterated,
	        state: getInternalCollectionState(iterated),
	        kind: kind,
	        last: undefined
	      });
	    }, function () {
	      var state = getInternalIteratorState(this);
	      var kind = state.kind;
	      var entry = state.last;
	      // revert to the last existing entry
	      while (entry && entry.removed) entry = entry.previous;
	      // get next entry
	      if (!state.target || !(state.last = entry = entry ? entry.next : state.state.first)) {
	        // or finish the iteration
	        state.target = undefined;
	        return { value: undefined, done: true };
	      }
	      // return step by kind
	      if (kind == 'keys') return { value: entry.key, done: false };
	      if (kind == 'values') return { value: entry.value, done: false };
	      return { value: [entry.key, entry.value], done: false };
	    }, IS_MAP ? 'entries' : 'values', !IS_MAP, true);

	    // add [@@species], 23.1.2.2, 23.2.2.2
	    setSpecies(CONSTRUCTOR_NAME);
	  }
	};

	// `Set` constructor
	// https://tc39.github.io/ecma262/#sec-set-objects
	var es_set = collection('Set', function (init) {
	  return function Set() { return init(this, arguments.length ? arguments[0] : undefined); };
	}, collectionStrong);

	var browser$1 = true;

	// This alphabet uses `A-Za-z0-9_-` symbols. The genetic algorithm helped
	// optimize the gzip compression for this alphabet.
	var urlAlphabet = 'ModuleSymbhasOwnPr-0123456789ABCDEFGHNRVfgctiUvz_KqYTJkLxpZXIjQW';

	var customAlphabet = function customAlphabet(alphabet, size) {
	  return function () {
	    var id = ''; // A compact alternative for `for (var i = 0; i < step; i++)`.

	    var i = size;

	    while (i--) {
	      // `| 0` is more compact and faster than `Math.floor()`.
	      id += alphabet[Math.random() * alphabet.length | 0];
	    }

	    return id;
	  };
	};

	var nanoid = function nanoid() {
	  var size = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : 21;
	  var id = ''; // A compact alternative for `for (var i = 0; i < step; i++)`.

	  var i = size;

	  while (i--) {
	    // `| 0` is more compact and faster than `Math.floor()`.
	    id += urlAlphabet[Math.random() * 64 | 0];
	  }

	  return id;
	};

	var nonSecure = /*#__PURE__*/Object.freeze({
		__proto__: null,
		nanoid: nanoid,
		customAlphabet: customAlphabet
	});

	var he = createCommonjsModule(function (module, exports) {

	  (function (root) {
	    // Detect free variables `exports`.
	    var freeExports =  exports; // Detect free variable `module`.

	    var freeModule =  module && module.exports == freeExports && module; // Detect free variable `global`, from Node.js or Browserified code,
	    // and use it as `root`.

	    var freeGlobal = _typeof(commonjsGlobal) == 'object' && commonjsGlobal;

	    if (freeGlobal.global === freeGlobal || freeGlobal.window === freeGlobal) {
	      root = freeGlobal;
	    }
	    /*--------------------------------------------------------------------------*/
	    // All astral symbols.


	    var regexAstralSymbols = /[\uD800-\uDBFF][\uDC00-\uDFFF]/g; // All ASCII symbols (not just printable ASCII) except those listed in the
	    // first column of the overrides table.
	    // https://html.spec.whatwg.org/multipage/syntax.html#table-charref-overrides

	    var regexAsciiWhitelist = /[\x01-\x7F]/g; // All BMP symbols that are not ASCII newlines, printable ASCII symbols, or
	    // code points listed in the first column of the overrides table on
	    // https://html.spec.whatwg.org/multipage/syntax.html#table-charref-overrides.

	    var regexBmpWhitelist = /[\x01-\t\x0B\f\x0E-\x1F\x7F\x81\x8D\x8F\x90\x9D\xA0-\uFFFF]/g;
	    var regexEncodeNonAscii = /<\u20D2|=\u20E5|>\u20D2|\u205F\u200A|\u219D\u0338|\u2202\u0338|\u2220\u20D2|\u2229\uFE00|\u222A\uFE00|\u223C\u20D2|\u223D\u0331|\u223E\u0333|\u2242\u0338|\u224B\u0338|\u224D\u20D2|\u224E\u0338|\u224F\u0338|\u2250\u0338|\u2261\u20E5|\u2264\u20D2|\u2265\u20D2|\u2266\u0338|\u2267\u0338|\u2268\uFE00|\u2269\uFE00|\u226A\u0338|\u226A\u20D2|\u226B\u0338|\u226B\u20D2|\u227F\u0338|\u2282\u20D2|\u2283\u20D2|\u228A\uFE00|\u228B\uFE00|\u228F\u0338|\u2290\u0338|\u2293\uFE00|\u2294\uFE00|\u22B4\u20D2|\u22B5\u20D2|\u22D8\u0338|\u22D9\u0338|\u22DA\uFE00|\u22DB\uFE00|\u22F5\u0338|\u22F9\u0338|\u2933\u0338|\u29CF\u0338|\u29D0\u0338|\u2A6D\u0338|\u2A70\u0338|\u2A7D\u0338|\u2A7E\u0338|\u2AA1\u0338|\u2AA2\u0338|\u2AAC\uFE00|\u2AAD\uFE00|\u2AAF\u0338|\u2AB0\u0338|\u2AC5\u0338|\u2AC6\u0338|\u2ACB\uFE00|\u2ACC\uFE00|\u2AFD\u20E5|[\xA0-\u0113\u0116-\u0122\u0124-\u012B\u012E-\u014D\u0150-\u017E\u0192\u01B5\u01F5\u0237\u02C6\u02C7\u02D8-\u02DD\u0311\u0391-\u03A1\u03A3-\u03A9\u03B1-\u03C9\u03D1\u03D2\u03D5\u03D6\u03DC\u03DD\u03F0\u03F1\u03F5\u03F6\u0401-\u040C\u040E-\u044F\u0451-\u045C\u045E\u045F\u2002-\u2005\u2007-\u2010\u2013-\u2016\u2018-\u201A\u201C-\u201E\u2020-\u2022\u2025\u2026\u2030-\u2035\u2039\u203A\u203E\u2041\u2043\u2044\u204F\u2057\u205F-\u2063\u20AC\u20DB\u20DC\u2102\u2105\u210A-\u2113\u2115-\u211E\u2122\u2124\u2127-\u2129\u212C\u212D\u212F-\u2131\u2133-\u2138\u2145-\u2148\u2153-\u215E\u2190-\u219B\u219D-\u21A7\u21A9-\u21AE\u21B0-\u21B3\u21B5-\u21B7\u21BA-\u21DB\u21DD\u21E4\u21E5\u21F5\u21FD-\u2205\u2207-\u2209\u220B\u220C\u220F-\u2214\u2216-\u2218\u221A\u221D-\u2238\u223A-\u2257\u2259\u225A\u225C\u225F-\u2262\u2264-\u228B\u228D-\u229B\u229D-\u22A5\u22A7-\u22B0\u22B2-\u22BB\u22BD-\u22DB\u22DE-\u22E3\u22E6-\u22F7\u22F9-\u22FE\u2305\u2306\u2308-\u2310\u2312\u2313\u2315\u2316\u231C-\u231F\u2322\u2323\u232D\u232E\u2336\u233D\u233F\u237C\u23B0\u23B1\u23B4-\u23B6\u23DC-\u23DF\u23E2\u23E7\u2423\u24C8\u2500\u2502\u250C\u2510\u2514\u2518\u251C\u2524\u252C\u2534\u253C\u2550-\u256C\u2580\u2584\u2588\u2591-\u2593\u25A1\u25AA\u25AB\u25AD\u25AE\u25B1\u25B3-\u25B5\u25B8\u25B9\u25BD-\u25BF\u25C2\u25C3\u25CA\u25CB\u25EC\u25EF\u25F8-\u25FC\u2605\u2606\u260E\u2640\u2642\u2660\u2663\u2665\u2666\u266A\u266D-\u266F\u2713\u2717\u2720\u2736\u2758\u2772\u2773\u27C8\u27C9\u27E6-\u27ED\u27F5-\u27FA\u27FC\u27FF\u2902-\u2905\u290C-\u2913\u2916\u2919-\u2920\u2923-\u292A\u2933\u2935-\u2939\u293C\u293D\u2945\u2948-\u294B\u294E-\u2976\u2978\u2979\u297B-\u297F\u2985\u2986\u298B-\u2996\u299A\u299C\u299D\u29A4-\u29B7\u29B9\u29BB\u29BC\u29BE-\u29C5\u29C9\u29CD-\u29D0\u29DC-\u29DE\u29E3-\u29E5\u29EB\u29F4\u29F6\u2A00-\u2A02\u2A04\u2A06\u2A0C\u2A0D\u2A10-\u2A17\u2A22-\u2A27\u2A29\u2A2A\u2A2D-\u2A31\u2A33-\u2A3C\u2A3F\u2A40\u2A42-\u2A4D\u2A50\u2A53-\u2A58\u2A5A-\u2A5D\u2A5F\u2A66\u2A6A\u2A6D-\u2A75\u2A77-\u2A9A\u2A9D-\u2AA2\u2AA4-\u2AB0\u2AB3-\u2AC8\u2ACB\u2ACC\u2ACF-\u2ADB\u2AE4\u2AE6-\u2AE9\u2AEB-\u2AF3\u2AFD\uFB00-\uFB04]|\uD835[\uDC9C\uDC9E\uDC9F\uDCA2\uDCA5\uDCA6\uDCA9-\uDCAC\uDCAE-\uDCB9\uDCBB\uDCBD-\uDCC3\uDCC5-\uDCCF\uDD04\uDD05\uDD07-\uDD0A\uDD0D-\uDD14\uDD16-\uDD1C\uDD1E-\uDD39\uDD3B-\uDD3E\uDD40-\uDD44\uDD46\uDD4A-\uDD50\uDD52-\uDD6B]/g;
	    var encodeMap = {
	      '\xAD': 'shy',
	      "\u200C": 'zwnj',
	      "\u200D": 'zwj',
	      "\u200E": 'lrm',
	      "\u2063": 'ic',
	      "\u2062": 'it',
	      "\u2061": 'af',
	      "\u200F": 'rlm',
	      "\u200B": 'ZeroWidthSpace',
	      "\u2060": 'NoBreak',
	      "\u0311": 'DownBreve',
	      "\u20DB": 'tdot',
	      "\u20DC": 'DotDot',
	      '\t': 'Tab',
	      '\n': 'NewLine',
	      "\u2008": 'puncsp',
	      "\u205F": 'MediumSpace',
	      "\u2009": 'thinsp',
	      "\u200A": 'hairsp',
	      "\u2004": 'emsp13',
	      "\u2002": 'ensp',
	      "\u2005": 'emsp14',
	      "\u2003": 'emsp',
	      "\u2007": 'numsp',
	      '\xA0': 'nbsp',
	      "\u205F\u200A": 'ThickSpace',
	      "\u203E": 'oline',
	      '_': 'lowbar',
	      "\u2010": 'dash',
	      "\u2013": 'ndash',
	      "\u2014": 'mdash',
	      "\u2015": 'horbar',
	      ',': 'comma',
	      ';': 'semi',
	      "\u204F": 'bsemi',
	      ':': 'colon',
	      "\u2A74": 'Colone',
	      '!': 'excl',
	      '\xA1': 'iexcl',
	      '?': 'quest',
	      '\xBF': 'iquest',
	      '.': 'period',
	      "\u2025": 'nldr',
	      "\u2026": 'mldr',
	      '\xB7': 'middot',
	      '\'': 'apos',
	      "\u2018": 'lsquo',
	      "\u2019": 'rsquo',
	      "\u201A": 'sbquo',
	      "\u2039": 'lsaquo',
	      "\u203A": 'rsaquo',
	      '"': 'quot',
	      "\u201C": 'ldquo',
	      "\u201D": 'rdquo',
	      "\u201E": 'bdquo',
	      '\xAB': 'laquo',
	      '\xBB': 'raquo',
	      '(': 'lpar',
	      ')': 'rpar',
	      '[': 'lsqb',
	      ']': 'rsqb',
	      '{': 'lcub',
	      '}': 'rcub',
	      "\u2308": 'lceil',
	      "\u2309": 'rceil',
	      "\u230A": 'lfloor',
	      "\u230B": 'rfloor',
	      "\u2985": 'lopar',
	      "\u2986": 'ropar',
	      "\u298B": 'lbrke',
	      "\u298C": 'rbrke',
	      "\u298D": 'lbrkslu',
	      "\u298E": 'rbrksld',
	      "\u298F": 'lbrksld',
	      "\u2990": 'rbrkslu',
	      "\u2991": 'langd',
	      "\u2992": 'rangd',
	      "\u2993": 'lparlt',
	      "\u2994": 'rpargt',
	      "\u2995": 'gtlPar',
	      "\u2996": 'ltrPar',
	      "\u27E6": 'lobrk',
	      "\u27E7": 'robrk',
	      "\u27E8": 'lang',
	      "\u27E9": 'rang',
	      "\u27EA": 'Lang',
	      "\u27EB": 'Rang',
	      "\u27EC": 'loang',
	      "\u27ED": 'roang',
	      "\u2772": 'lbbrk',
	      "\u2773": 'rbbrk',
	      "\u2016": 'Vert',
	      '\xA7': 'sect',
	      '\xB6': 'para',
	      '@': 'commat',
	      '*': 'ast',
	      '/': 'sol',
	      'undefined': null,
	      '&': 'amp',
	      '#': 'num',
	      '%': 'percnt',
	      "\u2030": 'permil',
	      "\u2031": 'pertenk',
	      "\u2020": 'dagger',
	      "\u2021": 'Dagger',
	      "\u2022": 'bull',
	      "\u2043": 'hybull',
	      "\u2032": 'prime',
	      "\u2033": 'Prime',
	      "\u2034": 'tprime',
	      "\u2057": 'qprime',
	      "\u2035": 'bprime',
	      "\u2041": 'caret',
	      '`': 'grave',
	      '\xB4': 'acute',
	      "\u02DC": 'tilde',
	      '^': 'Hat',
	      '\xAF': 'macr',
	      "\u02D8": 'breve',
	      "\u02D9": 'dot',
	      '\xA8': 'die',
	      "\u02DA": 'ring',
	      "\u02DD": 'dblac',
	      '\xB8': 'cedil',
	      "\u02DB": 'ogon',
	      "\u02C6": 'circ',
	      "\u02C7": 'caron',
	      '\xB0': 'deg',
	      '\xA9': 'copy',
	      '\xAE': 'reg',
	      "\u2117": 'copysr',
	      "\u2118": 'wp',
	      "\u211E": 'rx',
	      "\u2127": 'mho',
	      "\u2129": 'iiota',
	      "\u2190": 'larr',
	      "\u219A": 'nlarr',
	      "\u2192": 'rarr',
	      "\u219B": 'nrarr',
	      "\u2191": 'uarr',
	      "\u2193": 'darr',
	      "\u2194": 'harr',
	      "\u21AE": 'nharr',
	      "\u2195": 'varr',
	      "\u2196": 'nwarr',
	      "\u2197": 'nearr',
	      "\u2198": 'searr',
	      "\u2199": 'swarr',
	      "\u219D": 'rarrw',
	      "\u219D\u0338": 'nrarrw',
	      "\u219E": 'Larr',
	      "\u219F": 'Uarr',
	      "\u21A0": 'Rarr',
	      "\u21A1": 'Darr',
	      "\u21A2": 'larrtl',
	      "\u21A3": 'rarrtl',
	      "\u21A4": 'mapstoleft',
	      "\u21A5": 'mapstoup',
	      "\u21A6": 'map',
	      "\u21A7": 'mapstodown',
	      "\u21A9": 'larrhk',
	      "\u21AA": 'rarrhk',
	      "\u21AB": 'larrlp',
	      "\u21AC": 'rarrlp',
	      "\u21AD": 'harrw',
	      "\u21B0": 'lsh',
	      "\u21B1": 'rsh',
	      "\u21B2": 'ldsh',
	      "\u21B3": 'rdsh',
	      "\u21B5": 'crarr',
	      "\u21B6": 'cularr',
	      "\u21B7": 'curarr',
	      "\u21BA": 'olarr',
	      "\u21BB": 'orarr',
	      "\u21BC": 'lharu',
	      "\u21BD": 'lhard',
	      "\u21BE": 'uharr',
	      "\u21BF": 'uharl',
	      "\u21C0": 'rharu',
	      "\u21C1": 'rhard',
	      "\u21C2": 'dharr',
	      "\u21C3": 'dharl',
	      "\u21C4": 'rlarr',
	      "\u21C5": 'udarr',
	      "\u21C6": 'lrarr',
	      "\u21C7": 'llarr',
	      "\u21C8": 'uuarr',
	      "\u21C9": 'rrarr',
	      "\u21CA": 'ddarr',
	      "\u21CB": 'lrhar',
	      "\u21CC": 'rlhar',
	      "\u21D0": 'lArr',
	      "\u21CD": 'nlArr',
	      "\u21D1": 'uArr',
	      "\u21D2": 'rArr',
	      "\u21CF": 'nrArr',
	      "\u21D3": 'dArr',
	      "\u21D4": 'iff',
	      "\u21CE": 'nhArr',
	      "\u21D5": 'vArr',
	      "\u21D6": 'nwArr',
	      "\u21D7": 'neArr',
	      "\u21D8": 'seArr',
	      "\u21D9": 'swArr',
	      "\u21DA": 'lAarr',
	      "\u21DB": 'rAarr',
	      "\u21DD": 'zigrarr',
	      "\u21E4": 'larrb',
	      "\u21E5": 'rarrb',
	      "\u21F5": 'duarr',
	      "\u21FD": 'loarr',
	      "\u21FE": 'roarr',
	      "\u21FF": 'hoarr',
	      "\u2200": 'forall',
	      "\u2201": 'comp',
	      "\u2202": 'part',
	      "\u2202\u0338": 'npart',
	      "\u2203": 'exist',
	      "\u2204": 'nexist',
	      "\u2205": 'empty',
	      "\u2207": 'Del',
	      "\u2208": 'in',
	      "\u2209": 'notin',
	      "\u220B": 'ni',
	      "\u220C": 'notni',
	      "\u03F6": 'bepsi',
	      "\u220F": 'prod',
	      "\u2210": 'coprod',
	      "\u2211": 'sum',
	      '+': 'plus',
	      '\xB1': 'pm',
	      '\xF7': 'div',
	      '\xD7': 'times',
	      '<': 'lt',
	      "\u226E": 'nlt',
	      "<\u20D2": 'nvlt',
	      '=': 'equals',
	      "\u2260": 'ne',
	      "=\u20E5": 'bne',
	      "\u2A75": 'Equal',
	      '>': 'gt',
	      "\u226F": 'ngt',
	      ">\u20D2": 'nvgt',
	      '\xAC': 'not',
	      '|': 'vert',
	      '\xA6': 'brvbar',
	      "\u2212": 'minus',
	      "\u2213": 'mp',
	      "\u2214": 'plusdo',
	      "\u2044": 'frasl',
	      "\u2216": 'setmn',
	      "\u2217": 'lowast',
	      "\u2218": 'compfn',
	      "\u221A": 'Sqrt',
	      "\u221D": 'prop',
	      "\u221E": 'infin',
	      "\u221F": 'angrt',
	      "\u2220": 'ang',
	      "\u2220\u20D2": 'nang',
	      "\u2221": 'angmsd',
	      "\u2222": 'angsph',
	      "\u2223": 'mid',
	      "\u2224": 'nmid',
	      "\u2225": 'par',
	      "\u2226": 'npar',
	      "\u2227": 'and',
	      "\u2228": 'or',
	      "\u2229": 'cap',
	      "\u2229\uFE00": 'caps',
	      "\u222A": 'cup',
	      "\u222A\uFE00": 'cups',
	      "\u222B": 'int',
	      "\u222C": 'Int',
	      "\u222D": 'tint',
	      "\u2A0C": 'qint',
	      "\u222E": 'oint',
	      "\u222F": 'Conint',
	      "\u2230": 'Cconint',
	      "\u2231": 'cwint',
	      "\u2232": 'cwconint',
	      "\u2233": 'awconint',
	      "\u2234": 'there4',
	      "\u2235": 'becaus',
	      "\u2236": 'ratio',
	      "\u2237": 'Colon',
	      "\u2238": 'minusd',
	      "\u223A": 'mDDot',
	      "\u223B": 'homtht',
	      "\u223C": 'sim',
	      "\u2241": 'nsim',
	      "\u223C\u20D2": 'nvsim',
	      "\u223D": 'bsim',
	      "\u223D\u0331": 'race',
	      "\u223E": 'ac',
	      "\u223E\u0333": 'acE',
	      "\u223F": 'acd',
	      "\u2240": 'wr',
	      "\u2242": 'esim',
	      "\u2242\u0338": 'nesim',
	      "\u2243": 'sime',
	      "\u2244": 'nsime',
	      "\u2245": 'cong',
	      "\u2247": 'ncong',
	      "\u2246": 'simne',
	      "\u2248": 'ap',
	      "\u2249": 'nap',
	      "\u224A": 'ape',
	      "\u224B": 'apid',
	      "\u224B\u0338": 'napid',
	      "\u224C": 'bcong',
	      "\u224D": 'CupCap',
	      "\u226D": 'NotCupCap',
	      "\u224D\u20D2": 'nvap',
	      "\u224E": 'bump',
	      "\u224E\u0338": 'nbump',
	      "\u224F": 'bumpe',
	      "\u224F\u0338": 'nbumpe',
	      "\u2250": 'doteq',
	      "\u2250\u0338": 'nedot',
	      "\u2251": 'eDot',
	      "\u2252": 'efDot',
	      "\u2253": 'erDot',
	      "\u2254": 'colone',
	      "\u2255": 'ecolon',
	      "\u2256": 'ecir',
	      "\u2257": 'cire',
	      "\u2259": 'wedgeq',
	      "\u225A": 'veeeq',
	      "\u225C": 'trie',
	      "\u225F": 'equest',
	      "\u2261": 'equiv',
	      "\u2262": 'nequiv',
	      "\u2261\u20E5": 'bnequiv',
	      "\u2264": 'le',
	      "\u2270": 'nle',
	      "\u2264\u20D2": 'nvle',
	      "\u2265": 'ge',
	      "\u2271": 'nge',
	      "\u2265\u20D2": 'nvge',
	      "\u2266": 'lE',
	      "\u2266\u0338": 'nlE',
	      "\u2267": 'gE',
	      "\u2267\u0338": 'ngE',
	      "\u2268\uFE00": 'lvnE',
	      "\u2268": 'lnE',
	      "\u2269": 'gnE',
	      "\u2269\uFE00": 'gvnE',
	      "\u226A": 'll',
	      "\u226A\u0338": 'nLtv',
	      "\u226A\u20D2": 'nLt',
	      "\u226B": 'gg',
	      "\u226B\u0338": 'nGtv',
	      "\u226B\u20D2": 'nGt',
	      "\u226C": 'twixt',
	      "\u2272": 'lsim',
	      "\u2274": 'nlsim',
	      "\u2273": 'gsim',
	      "\u2275": 'ngsim',
	      "\u2276": 'lg',
	      "\u2278": 'ntlg',
	      "\u2277": 'gl',
	      "\u2279": 'ntgl',
	      "\u227A": 'pr',
	      "\u2280": 'npr',
	      "\u227B": 'sc',
	      "\u2281": 'nsc',
	      "\u227C": 'prcue',
	      "\u22E0": 'nprcue',
	      "\u227D": 'sccue',
	      "\u22E1": 'nsccue',
	      "\u227E": 'prsim',
	      "\u227F": 'scsim',
	      "\u227F\u0338": 'NotSucceedsTilde',
	      "\u2282": 'sub',
	      "\u2284": 'nsub',
	      "\u2282\u20D2": 'vnsub',
	      "\u2283": 'sup',
	      "\u2285": 'nsup',
	      "\u2283\u20D2": 'vnsup',
	      "\u2286": 'sube',
	      "\u2288": 'nsube',
	      "\u2287": 'supe',
	      "\u2289": 'nsupe',
	      "\u228A\uFE00": 'vsubne',
	      "\u228A": 'subne',
	      "\u228B\uFE00": 'vsupne',
	      "\u228B": 'supne',
	      "\u228D": 'cupdot',
	      "\u228E": 'uplus',
	      "\u228F": 'sqsub',
	      "\u228F\u0338": 'NotSquareSubset',
	      "\u2290": 'sqsup',
	      "\u2290\u0338": 'NotSquareSuperset',
	      "\u2291": 'sqsube',
	      "\u22E2": 'nsqsube',
	      "\u2292": 'sqsupe',
	      "\u22E3": 'nsqsupe',
	      "\u2293": 'sqcap',
	      "\u2293\uFE00": 'sqcaps',
	      "\u2294": 'sqcup',
	      "\u2294\uFE00": 'sqcups',
	      "\u2295": 'oplus',
	      "\u2296": 'ominus',
	      "\u2297": 'otimes',
	      "\u2298": 'osol',
	      "\u2299": 'odot',
	      "\u229A": 'ocir',
	      "\u229B": 'oast',
	      "\u229D": 'odash',
	      "\u229E": 'plusb',
	      "\u229F": 'minusb',
	      "\u22A0": 'timesb',
	      "\u22A1": 'sdotb',
	      "\u22A2": 'vdash',
	      "\u22AC": 'nvdash',
	      "\u22A3": 'dashv',
	      "\u22A4": 'top',
	      "\u22A5": 'bot',
	      "\u22A7": 'models',
	      "\u22A8": 'vDash',
	      "\u22AD": 'nvDash',
	      "\u22A9": 'Vdash',
	      "\u22AE": 'nVdash',
	      "\u22AA": 'Vvdash',
	      "\u22AB": 'VDash',
	      "\u22AF": 'nVDash',
	      "\u22B0": 'prurel',
	      "\u22B2": 'vltri',
	      "\u22EA": 'nltri',
	      "\u22B3": 'vrtri',
	      "\u22EB": 'nrtri',
	      "\u22B4": 'ltrie',
	      "\u22EC": 'nltrie',
	      "\u22B4\u20D2": 'nvltrie',
	      "\u22B5": 'rtrie',
	      "\u22ED": 'nrtrie',
	      "\u22B5\u20D2": 'nvrtrie',
	      "\u22B6": 'origof',
	      "\u22B7": 'imof',
	      "\u22B8": 'mumap',
	      "\u22B9": 'hercon',
	      "\u22BA": 'intcal',
	      "\u22BB": 'veebar',
	      "\u22BD": 'barvee',
	      "\u22BE": 'angrtvb',
	      "\u22BF": 'lrtri',
	      "\u22C0": 'Wedge',
	      "\u22C1": 'Vee',
	      "\u22C2": 'xcap',
	      "\u22C3": 'xcup',
	      "\u22C4": 'diam',
	      "\u22C5": 'sdot',
	      "\u22C6": 'Star',
	      "\u22C7": 'divonx',
	      "\u22C8": 'bowtie',
	      "\u22C9": 'ltimes',
	      "\u22CA": 'rtimes',
	      "\u22CB": 'lthree',
	      "\u22CC": 'rthree',
	      "\u22CD": 'bsime',
	      "\u22CE": 'cuvee',
	      "\u22CF": 'cuwed',
	      "\u22D0": 'Sub',
	      "\u22D1": 'Sup',
	      "\u22D2": 'Cap',
	      "\u22D3": 'Cup',
	      "\u22D4": 'fork',
	      "\u22D5": 'epar',
	      "\u22D6": 'ltdot',
	      "\u22D7": 'gtdot',
	      "\u22D8": 'Ll',
	      "\u22D8\u0338": 'nLl',
	      "\u22D9": 'Gg',
	      "\u22D9\u0338": 'nGg',
	      "\u22DA\uFE00": 'lesg',
	      "\u22DA": 'leg',
	      "\u22DB": 'gel',
	      "\u22DB\uFE00": 'gesl',
	      "\u22DE": 'cuepr',
	      "\u22DF": 'cuesc',
	      "\u22E6": 'lnsim',
	      "\u22E7": 'gnsim',
	      "\u22E8": 'prnsim',
	      "\u22E9": 'scnsim',
	      "\u22EE": 'vellip',
	      "\u22EF": 'ctdot',
	      "\u22F0": 'utdot',
	      "\u22F1": 'dtdot',
	      "\u22F2": 'disin',
	      "\u22F3": 'isinsv',
	      "\u22F4": 'isins',
	      "\u22F5": 'isindot',
	      "\u22F5\u0338": 'notindot',
	      "\u22F6": 'notinvc',
	      "\u22F7": 'notinvb',
	      "\u22F9": 'isinE',
	      "\u22F9\u0338": 'notinE',
	      "\u22FA": 'nisd',
	      "\u22FB": 'xnis',
	      "\u22FC": 'nis',
	      "\u22FD": 'notnivc',
	      "\u22FE": 'notnivb',
	      "\u2305": 'barwed',
	      "\u2306": 'Barwed',
	      "\u230C": 'drcrop',
	      "\u230D": 'dlcrop',
	      "\u230E": 'urcrop',
	      "\u230F": 'ulcrop',
	      "\u2310": 'bnot',
	      "\u2312": 'profline',
	      "\u2313": 'profsurf',
	      "\u2315": 'telrec',
	      "\u2316": 'target',
	      "\u231C": 'ulcorn',
	      "\u231D": 'urcorn',
	      "\u231E": 'dlcorn',
	      "\u231F": 'drcorn',
	      "\u2322": 'frown',
	      "\u2323": 'smile',
	      "\u232D": 'cylcty',
	      "\u232E": 'profalar',
	      "\u2336": 'topbot',
	      "\u233D": 'ovbar',
	      "\u233F": 'solbar',
	      "\u237C": 'angzarr',
	      "\u23B0": 'lmoust',
	      "\u23B1": 'rmoust',
	      "\u23B4": 'tbrk',
	      "\u23B5": 'bbrk',
	      "\u23B6": 'bbrktbrk',
	      "\u23DC": 'OverParenthesis',
	      "\u23DD": 'UnderParenthesis',
	      "\u23DE": 'OverBrace',
	      "\u23DF": 'UnderBrace',
	      "\u23E2": 'trpezium',
	      "\u23E7": 'elinters',
	      "\u2423": 'blank',
	      "\u2500": 'boxh',
	      "\u2502": 'boxv',
	      "\u250C": 'boxdr',
	      "\u2510": 'boxdl',
	      "\u2514": 'boxur',
	      "\u2518": 'boxul',
	      "\u251C": 'boxvr',
	      "\u2524": 'boxvl',
	      "\u252C": 'boxhd',
	      "\u2534": 'boxhu',
	      "\u253C": 'boxvh',
	      "\u2550": 'boxH',
	      "\u2551": 'boxV',
	      "\u2552": 'boxdR',
	      "\u2553": 'boxDr',
	      "\u2554": 'boxDR',
	      "\u2555": 'boxdL',
	      "\u2556": 'boxDl',
	      "\u2557": 'boxDL',
	      "\u2558": 'boxuR',
	      "\u2559": 'boxUr',
	      "\u255A": 'boxUR',
	      "\u255B": 'boxuL',
	      "\u255C": 'boxUl',
	      "\u255D": 'boxUL',
	      "\u255E": 'boxvR',
	      "\u255F": 'boxVr',
	      "\u2560": 'boxVR',
	      "\u2561": 'boxvL',
	      "\u2562": 'boxVl',
	      "\u2563": 'boxVL',
	      "\u2564": 'boxHd',
	      "\u2565": 'boxhD',
	      "\u2566": 'boxHD',
	      "\u2567": 'boxHu',
	      "\u2568": 'boxhU',
	      "\u2569": 'boxHU',
	      "\u256A": 'boxvH',
	      "\u256B": 'boxVh',
	      "\u256C": 'boxVH',
	      "\u2580": 'uhblk',
	      "\u2584": 'lhblk',
	      "\u2588": 'block',
	      "\u2591": 'blk14',
	      "\u2592": 'blk12',
	      "\u2593": 'blk34',
	      "\u25A1": 'squ',
	      "\u25AA": 'squf',
	      "\u25AB": 'EmptyVerySmallSquare',
	      "\u25AD": 'rect',
	      "\u25AE": 'marker',
	      "\u25B1": 'fltns',
	      "\u25B3": 'xutri',
	      "\u25B4": 'utrif',
	      "\u25B5": 'utri',
	      "\u25B8": 'rtrif',
	      "\u25B9": 'rtri',
	      "\u25BD": 'xdtri',
	      "\u25BE": 'dtrif',
	      "\u25BF": 'dtri',
	      "\u25C2": 'ltrif',
	      "\u25C3": 'ltri',
	      "\u25CA": 'loz',
	      "\u25CB": 'cir',
	      "\u25EC": 'tridot',
	      "\u25EF": 'xcirc',
	      "\u25F8": 'ultri',
	      "\u25F9": 'urtri',
	      "\u25FA": 'lltri',
	      "\u25FB": 'EmptySmallSquare',
	      "\u25FC": 'FilledSmallSquare',
	      "\u2605": 'starf',
	      "\u2606": 'star',
	      "\u260E": 'phone',
	      "\u2640": 'female',
	      "\u2642": 'male',
	      "\u2660": 'spades',
	      "\u2663": 'clubs',
	      "\u2665": 'hearts',
	      "\u2666": 'diams',
	      "\u266A": 'sung',
	      "\u2713": 'check',
	      "\u2717": 'cross',
	      "\u2720": 'malt',
	      "\u2736": 'sext',
	      "\u2758": 'VerticalSeparator',
	      "\u27C8": 'bsolhsub',
	      "\u27C9": 'suphsol',
	      "\u27F5": 'xlarr',
	      "\u27F6": 'xrarr',
	      "\u27F7": 'xharr',
	      "\u27F8": 'xlArr',
	      "\u27F9": 'xrArr',
	      "\u27FA": 'xhArr',
	      "\u27FC": 'xmap',
	      "\u27FF": 'dzigrarr',
	      "\u2902": 'nvlArr',
	      "\u2903": 'nvrArr',
	      "\u2904": 'nvHarr',
	      "\u2905": 'Map',
	      "\u290C": 'lbarr',
	      "\u290D": 'rbarr',
	      "\u290E": 'lBarr',
	      "\u290F": 'rBarr',
	      "\u2910": 'RBarr',
	      "\u2911": 'DDotrahd',
	      "\u2912": 'UpArrowBar',
	      "\u2913": 'DownArrowBar',
	      "\u2916": 'Rarrtl',
	      "\u2919": 'latail',
	      "\u291A": 'ratail',
	      "\u291B": 'lAtail',
	      "\u291C": 'rAtail',
	      "\u291D": 'larrfs',
	      "\u291E": 'rarrfs',
	      "\u291F": 'larrbfs',
	      "\u2920": 'rarrbfs',
	      "\u2923": 'nwarhk',
	      "\u2924": 'nearhk',
	      "\u2925": 'searhk',
	      "\u2926": 'swarhk',
	      "\u2927": 'nwnear',
	      "\u2928": 'toea',
	      "\u2929": 'tosa',
	      "\u292A": 'swnwar',
	      "\u2933": 'rarrc',
	      "\u2933\u0338": 'nrarrc',
	      "\u2935": 'cudarrr',
	      "\u2936": 'ldca',
	      "\u2937": 'rdca',
	      "\u2938": 'cudarrl',
	      "\u2939": 'larrpl',
	      "\u293C": 'curarrm',
	      "\u293D": 'cularrp',
	      "\u2945": 'rarrpl',
	      "\u2948": 'harrcir',
	      "\u2949": 'Uarrocir',
	      "\u294A": 'lurdshar',
	      "\u294B": 'ldrushar',
	      "\u294E": 'LeftRightVector',
	      "\u294F": 'RightUpDownVector',
	      "\u2950": 'DownLeftRightVector',
	      "\u2951": 'LeftUpDownVector',
	      "\u2952": 'LeftVectorBar',
	      "\u2953": 'RightVectorBar',
	      "\u2954": 'RightUpVectorBar',
	      "\u2955": 'RightDownVectorBar',
	      "\u2956": 'DownLeftVectorBar',
	      "\u2957": 'DownRightVectorBar',
	      "\u2958": 'LeftUpVectorBar',
	      "\u2959": 'LeftDownVectorBar',
	      "\u295A": 'LeftTeeVector',
	      "\u295B": 'RightTeeVector',
	      "\u295C": 'RightUpTeeVector',
	      "\u295D": 'RightDownTeeVector',
	      "\u295E": 'DownLeftTeeVector',
	      "\u295F": 'DownRightTeeVector',
	      "\u2960": 'LeftUpTeeVector',
	      "\u2961": 'LeftDownTeeVector',
	      "\u2962": 'lHar',
	      "\u2963": 'uHar',
	      "\u2964": 'rHar',
	      "\u2965": 'dHar',
	      "\u2966": 'luruhar',
	      "\u2967": 'ldrdhar',
	      "\u2968": 'ruluhar',
	      "\u2969": 'rdldhar',
	      "\u296A": 'lharul',
	      "\u296B": 'llhard',
	      "\u296C": 'rharul',
	      "\u296D": 'lrhard',
	      "\u296E": 'udhar',
	      "\u296F": 'duhar',
	      "\u2970": 'RoundImplies',
	      "\u2971": 'erarr',
	      "\u2972": 'simrarr',
	      "\u2973": 'larrsim',
	      "\u2974": 'rarrsim',
	      "\u2975": 'rarrap',
	      "\u2976": 'ltlarr',
	      "\u2978": 'gtrarr',
	      "\u2979": 'subrarr',
	      "\u297B": 'suplarr',
	      "\u297C": 'lfisht',
	      "\u297D": 'rfisht',
	      "\u297E": 'ufisht',
	      "\u297F": 'dfisht',
	      "\u299A": 'vzigzag',
	      "\u299C": 'vangrt',
	      "\u299D": 'angrtvbd',
	      "\u29A4": 'ange',
	      "\u29A5": 'range',
	      "\u29A6": 'dwangle',
	      "\u29A7": 'uwangle',
	      "\u29A8": 'angmsdaa',
	      "\u29A9": 'angmsdab',
	      "\u29AA": 'angmsdac',
	      "\u29AB": 'angmsdad',
	      "\u29AC": 'angmsdae',
	      "\u29AD": 'angmsdaf',
	      "\u29AE": 'angmsdag',
	      "\u29AF": 'angmsdah',
	      "\u29B0": 'bemptyv',
	      "\u29B1": 'demptyv',
	      "\u29B2": 'cemptyv',
	      "\u29B3": 'raemptyv',
	      "\u29B4": 'laemptyv',
	      "\u29B5": 'ohbar',
	      "\u29B6": 'omid',
	      "\u29B7": 'opar',
	      "\u29B9": 'operp',
	      "\u29BB": 'olcross',
	      "\u29BC": 'odsold',
	      "\u29BE": 'olcir',
	      "\u29BF": 'ofcir',
	      "\u29C0": 'olt',
	      "\u29C1": 'ogt',
	      "\u29C2": 'cirscir',
	      "\u29C3": 'cirE',
	      "\u29C4": 'solb',
	      "\u29C5": 'bsolb',
	      "\u29C9": 'boxbox',
	      "\u29CD": 'trisb',
	      "\u29CE": 'rtriltri',
	      "\u29CF": 'LeftTriangleBar',
	      "\u29CF\u0338": 'NotLeftTriangleBar',
	      "\u29D0": 'RightTriangleBar',
	      "\u29D0\u0338": 'NotRightTriangleBar',
	      "\u29DC": 'iinfin',
	      "\u29DD": 'infintie',
	      "\u29DE": 'nvinfin',
	      "\u29E3": 'eparsl',
	      "\u29E4": 'smeparsl',
	      "\u29E5": 'eqvparsl',
	      "\u29EB": 'lozf',
	      "\u29F4": 'RuleDelayed',
	      "\u29F6": 'dsol',
	      "\u2A00": 'xodot',
	      "\u2A01": 'xoplus',
	      "\u2A02": 'xotime',
	      "\u2A04": 'xuplus',
	      "\u2A06": 'xsqcup',
	      "\u2A0D": 'fpartint',
	      "\u2A10": 'cirfnint',
	      "\u2A11": 'awint',
	      "\u2A12": 'rppolint',
	      "\u2A13": 'scpolint',
	      "\u2A14": 'npolint',
	      "\u2A15": 'pointint',
	      "\u2A16": 'quatint',
	      "\u2A17": 'intlarhk',
	      "\u2A22": 'pluscir',
	      "\u2A23": 'plusacir',
	      "\u2A24": 'simplus',
	      "\u2A25": 'plusdu',
	      "\u2A26": 'plussim',
	      "\u2A27": 'plustwo',
	      "\u2A29": 'mcomma',
	      "\u2A2A": 'minusdu',
	      "\u2A2D": 'loplus',
	      "\u2A2E": 'roplus',
	      "\u2A2F": 'Cross',
	      "\u2A30": 'timesd',
	      "\u2A31": 'timesbar',
	      "\u2A33": 'smashp',
	      "\u2A34": 'lotimes',
	      "\u2A35": 'rotimes',
	      "\u2A36": 'otimesas',
	      "\u2A37": 'Otimes',
	      "\u2A38": 'odiv',
	      "\u2A39": 'triplus',
	      "\u2A3A": 'triminus',
	      "\u2A3B": 'tritime',
	      "\u2A3C": 'iprod',
	      "\u2A3F": 'amalg',
	      "\u2A40": 'capdot',
	      "\u2A42": 'ncup',
	      "\u2A43": 'ncap',
	      "\u2A44": 'capand',
	      "\u2A45": 'cupor',
	      "\u2A46": 'cupcap',
	      "\u2A47": 'capcup',
	      "\u2A48": 'cupbrcap',
	      "\u2A49": 'capbrcup',
	      "\u2A4A": 'cupcup',
	      "\u2A4B": 'capcap',
	      "\u2A4C": 'ccups',
	      "\u2A4D": 'ccaps',
	      "\u2A50": 'ccupssm',
	      "\u2A53": 'And',
	      "\u2A54": 'Or',
	      "\u2A55": 'andand',
	      "\u2A56": 'oror',
	      "\u2A57": 'orslope',
	      "\u2A58": 'andslope',
	      "\u2A5A": 'andv',
	      "\u2A5B": 'orv',
	      "\u2A5C": 'andd',
	      "\u2A5D": 'ord',
	      "\u2A5F": 'wedbar',
	      "\u2A66": 'sdote',
	      "\u2A6A": 'simdot',
	      "\u2A6D": 'congdot',
	      "\u2A6D\u0338": 'ncongdot',
	      "\u2A6E": 'easter',
	      "\u2A6F": 'apacir',
	      "\u2A70": 'apE',
	      "\u2A70\u0338": 'napE',
	      "\u2A71": 'eplus',
	      "\u2A72": 'pluse',
	      "\u2A73": 'Esim',
	      "\u2A77": 'eDDot',
	      "\u2A78": 'equivDD',
	      "\u2A79": 'ltcir',
	      "\u2A7A": 'gtcir',
	      "\u2A7B": 'ltquest',
	      "\u2A7C": 'gtquest',
	      "\u2A7D": 'les',
	      "\u2A7D\u0338": 'nles',
	      "\u2A7E": 'ges',
	      "\u2A7E\u0338": 'nges',
	      "\u2A7F": 'lesdot',
	      "\u2A80": 'gesdot',
	      "\u2A81": 'lesdoto',
	      "\u2A82": 'gesdoto',
	      "\u2A83": 'lesdotor',
	      "\u2A84": 'gesdotol',
	      "\u2A85": 'lap',
	      "\u2A86": 'gap',
	      "\u2A87": 'lne',
	      "\u2A88": 'gne',
	      "\u2A89": 'lnap',
	      "\u2A8A": 'gnap',
	      "\u2A8B": 'lEg',
	      "\u2A8C": 'gEl',
	      "\u2A8D": 'lsime',
	      "\u2A8E": 'gsime',
	      "\u2A8F": 'lsimg',
	      "\u2A90": 'gsiml',
	      "\u2A91": 'lgE',
	      "\u2A92": 'glE',
	      "\u2A93": 'lesges',
	      "\u2A94": 'gesles',
	      "\u2A95": 'els',
	      "\u2A96": 'egs',
	      "\u2A97": 'elsdot',
	      "\u2A98": 'egsdot',
	      "\u2A99": 'el',
	      "\u2A9A": 'eg',
	      "\u2A9D": 'siml',
	      "\u2A9E": 'simg',
	      "\u2A9F": 'simlE',
	      "\u2AA0": 'simgE',
	      "\u2AA1": 'LessLess',
	      "\u2AA1\u0338": 'NotNestedLessLess',
	      "\u2AA2": 'GreaterGreater',
	      "\u2AA2\u0338": 'NotNestedGreaterGreater',
	      "\u2AA4": 'glj',
	      "\u2AA5": 'gla',
	      "\u2AA6": 'ltcc',
	      "\u2AA7": 'gtcc',
	      "\u2AA8": 'lescc',
	      "\u2AA9": 'gescc',
	      "\u2AAA": 'smt',
	      "\u2AAB": 'lat',
	      "\u2AAC": 'smte',
	      "\u2AAC\uFE00": 'smtes',
	      "\u2AAD": 'late',
	      "\u2AAD\uFE00": 'lates',
	      "\u2AAE": 'bumpE',
	      "\u2AAF": 'pre',
	      "\u2AAF\u0338": 'npre',
	      "\u2AB0": 'sce',
	      "\u2AB0\u0338": 'nsce',
	      "\u2AB3": 'prE',
	      "\u2AB4": 'scE',
	      "\u2AB5": 'prnE',
	      "\u2AB6": 'scnE',
	      "\u2AB7": 'prap',
	      "\u2AB8": 'scap',
	      "\u2AB9": 'prnap',
	      "\u2ABA": 'scnap',
	      "\u2ABB": 'Pr',
	      "\u2ABC": 'Sc',
	      "\u2ABD": 'subdot',
	      "\u2ABE": 'supdot',
	      "\u2ABF": 'subplus',
	      "\u2AC0": 'supplus',
	      "\u2AC1": 'submult',
	      "\u2AC2": 'supmult',
	      "\u2AC3": 'subedot',
	      "\u2AC4": 'supedot',
	      "\u2AC5": 'subE',
	      "\u2AC5\u0338": 'nsubE',
	      "\u2AC6": 'supE',
	      "\u2AC6\u0338": 'nsupE',
	      "\u2AC7": 'subsim',
	      "\u2AC8": 'supsim',
	      "\u2ACB\uFE00": 'vsubnE',
	      "\u2ACB": 'subnE',
	      "\u2ACC\uFE00": 'vsupnE',
	      "\u2ACC": 'supnE',
	      "\u2ACF": 'csub',
	      "\u2AD0": 'csup',
	      "\u2AD1": 'csube',
	      "\u2AD2": 'csupe',
	      "\u2AD3": 'subsup',
	      "\u2AD4": 'supsub',
	      "\u2AD5": 'subsub',
	      "\u2AD6": 'supsup',
	      "\u2AD7": 'suphsub',
	      "\u2AD8": 'supdsub',
	      "\u2AD9": 'forkv',
	      "\u2ADA": 'topfork',
	      "\u2ADB": 'mlcp',
	      "\u2AE4": 'Dashv',
	      "\u2AE6": 'Vdashl',
	      "\u2AE7": 'Barv',
	      "\u2AE8": 'vBar',
	      "\u2AE9": 'vBarv',
	      "\u2AEB": 'Vbar',
	      "\u2AEC": 'Not',
	      "\u2AED": 'bNot',
	      "\u2AEE": 'rnmid',
	      "\u2AEF": 'cirmid',
	      "\u2AF0": 'midcir',
	      "\u2AF1": 'topcir',
	      "\u2AF2": 'nhpar',
	      "\u2AF3": 'parsim',
	      "\u2AFD": 'parsl',
	      "\u2AFD\u20E5": 'nparsl',
	      "\u266D": 'flat',
	      "\u266E": 'natur',
	      "\u266F": 'sharp',
	      '\xA4': 'curren',
	      '\xA2': 'cent',
	      '$': 'dollar',
	      '\xA3': 'pound',
	      '\xA5': 'yen',
	      "\u20AC": 'euro',
	      '\xB9': 'sup1',
	      '\xBD': 'half',
	      "\u2153": 'frac13',
	      '\xBC': 'frac14',
	      "\u2155": 'frac15',
	      "\u2159": 'frac16',
	      "\u215B": 'frac18',
	      '\xB2': 'sup2',
	      "\u2154": 'frac23',
	      "\u2156": 'frac25',
	      '\xB3': 'sup3',
	      '\xBE': 'frac34',
	      "\u2157": 'frac35',
	      "\u215C": 'frac38',
	      "\u2158": 'frac45',
	      "\u215A": 'frac56',
	      "\u215D": 'frac58',
	      "\u215E": 'frac78',
	      "\uD835\uDCB6": 'ascr',
	      "\uD835\uDD52": 'aopf',
	      "\uD835\uDD1E": 'afr',
	      "\uD835\uDD38": 'Aopf',
	      "\uD835\uDD04": 'Afr',
	      "\uD835\uDC9C": 'Ascr',
	      '\xAA': 'ordf',
	      '\xE1': 'aacute',
	      '\xC1': 'Aacute',
	      '\xE0': 'agrave',
	      '\xC0': 'Agrave',
	      "\u0103": 'abreve',
	      "\u0102": 'Abreve',
	      '\xE2': 'acirc',
	      '\xC2': 'Acirc',
	      '\xE5': 'aring',
	      '\xC5': 'angst',
	      '\xE4': 'auml',
	      '\xC4': 'Auml',
	      '\xE3': 'atilde',
	      '\xC3': 'Atilde',
	      "\u0105": 'aogon',
	      "\u0104": 'Aogon',
	      "\u0101": 'amacr',
	      "\u0100": 'Amacr',
	      '\xE6': 'aelig',
	      '\xC6': 'AElig',
	      "\uD835\uDCB7": 'bscr',
	      "\uD835\uDD53": 'bopf',
	      "\uD835\uDD1F": 'bfr',
	      "\uD835\uDD39": 'Bopf',
	      "\u212C": 'Bscr',
	      "\uD835\uDD05": 'Bfr',
	      "\uD835\uDD20": 'cfr',
	      "\uD835\uDCB8": 'cscr',
	      "\uD835\uDD54": 'copf',
	      "\u212D": 'Cfr',
	      "\uD835\uDC9E": 'Cscr',
	      "\u2102": 'Copf',
	      "\u0107": 'cacute',
	      "\u0106": 'Cacute',
	      "\u0109": 'ccirc',
	      "\u0108": 'Ccirc',
	      "\u010D": 'ccaron',
	      "\u010C": 'Ccaron',
	      "\u010B": 'cdot',
	      "\u010A": 'Cdot',
	      '\xE7': 'ccedil',
	      '\xC7': 'Ccedil',
	      "\u2105": 'incare',
	      "\uD835\uDD21": 'dfr',
	      "\u2146": 'dd',
	      "\uD835\uDD55": 'dopf',
	      "\uD835\uDCB9": 'dscr',
	      "\uD835\uDC9F": 'Dscr',
	      "\uD835\uDD07": 'Dfr',
	      "\u2145": 'DD',
	      "\uD835\uDD3B": 'Dopf',
	      "\u010F": 'dcaron',
	      "\u010E": 'Dcaron',
	      "\u0111": 'dstrok',
	      "\u0110": 'Dstrok',
	      '\xF0': 'eth',
	      '\xD0': 'ETH',
	      "\u2147": 'ee',
	      "\u212F": 'escr',
	      "\uD835\uDD22": 'efr',
	      "\uD835\uDD56": 'eopf',
	      "\u2130": 'Escr',
	      "\uD835\uDD08": 'Efr',
	      "\uD835\uDD3C": 'Eopf',
	      '\xE9': 'eacute',
	      '\xC9': 'Eacute',
	      '\xE8': 'egrave',
	      '\xC8': 'Egrave',
	      '\xEA': 'ecirc',
	      '\xCA': 'Ecirc',
	      "\u011B": 'ecaron',
	      "\u011A": 'Ecaron',
	      '\xEB': 'euml',
	      '\xCB': 'Euml',
	      "\u0117": 'edot',
	      "\u0116": 'Edot',
	      "\u0119": 'eogon',
	      "\u0118": 'Eogon',
	      "\u0113": 'emacr',
	      "\u0112": 'Emacr',
	      "\uD835\uDD23": 'ffr',
	      "\uD835\uDD57": 'fopf',
	      "\uD835\uDCBB": 'fscr',
	      "\uD835\uDD09": 'Ffr',
	      "\uD835\uDD3D": 'Fopf',
	      "\u2131": 'Fscr',
	      "\uFB00": 'fflig',
	      "\uFB03": 'ffilig',
	      "\uFB04": 'ffllig',
	      "\uFB01": 'filig',
	      'fj': 'fjlig',
	      "\uFB02": 'fllig',
	      "\u0192": 'fnof',
	      "\u210A": 'gscr',
	      "\uD835\uDD58": 'gopf',
	      "\uD835\uDD24": 'gfr',
	      "\uD835\uDCA2": 'Gscr',
	      "\uD835\uDD3E": 'Gopf',
	      "\uD835\uDD0A": 'Gfr',
	      "\u01F5": 'gacute',
	      "\u011F": 'gbreve',
	      "\u011E": 'Gbreve',
	      "\u011D": 'gcirc',
	      "\u011C": 'Gcirc',
	      "\u0121": 'gdot',
	      "\u0120": 'Gdot',
	      "\u0122": 'Gcedil',
	      "\uD835\uDD25": 'hfr',
	      "\u210E": 'planckh',
	      "\uD835\uDCBD": 'hscr',
	      "\uD835\uDD59": 'hopf',
	      "\u210B": 'Hscr',
	      "\u210C": 'Hfr',
	      "\u210D": 'Hopf',
	      "\u0125": 'hcirc',
	      "\u0124": 'Hcirc',
	      "\u210F": 'hbar',
	      "\u0127": 'hstrok',
	      "\u0126": 'Hstrok',
	      "\uD835\uDD5A": 'iopf',
	      "\uD835\uDD26": 'ifr',
	      "\uD835\uDCBE": 'iscr',
	      "\u2148": 'ii',
	      "\uD835\uDD40": 'Iopf',
	      "\u2110": 'Iscr',
	      "\u2111": 'Im',
	      '\xED': 'iacute',
	      '\xCD': 'Iacute',
	      '\xEC': 'igrave',
	      '\xCC': 'Igrave',
	      '\xEE': 'icirc',
	      '\xCE': 'Icirc',
	      '\xEF': 'iuml',
	      '\xCF': 'Iuml',
	      "\u0129": 'itilde',
	      "\u0128": 'Itilde',
	      "\u0130": 'Idot',
	      "\u012F": 'iogon',
	      "\u012E": 'Iogon',
	      "\u012B": 'imacr',
	      "\u012A": 'Imacr',
	      "\u0133": 'ijlig',
	      "\u0132": 'IJlig',
	      "\u0131": 'imath',
	      "\uD835\uDCBF": 'jscr',
	      "\uD835\uDD5B": 'jopf',
	      "\uD835\uDD27": 'jfr',
	      "\uD835\uDCA5": 'Jscr',
	      "\uD835\uDD0D": 'Jfr',
	      "\uD835\uDD41": 'Jopf',
	      "\u0135": 'jcirc',
	      "\u0134": 'Jcirc',
	      "\u0237": 'jmath',
	      "\uD835\uDD5C": 'kopf',
	      "\uD835\uDCC0": 'kscr',
	      "\uD835\uDD28": 'kfr',
	      "\uD835\uDCA6": 'Kscr',
	      "\uD835\uDD42": 'Kopf',
	      "\uD835\uDD0E": 'Kfr',
	      "\u0137": 'kcedil',
	      "\u0136": 'Kcedil',
	      "\uD835\uDD29": 'lfr',
	      "\uD835\uDCC1": 'lscr',
	      "\u2113": 'ell',
	      "\uD835\uDD5D": 'lopf',
	      "\u2112": 'Lscr',
	      "\uD835\uDD0F": 'Lfr',
	      "\uD835\uDD43": 'Lopf',
	      "\u013A": 'lacute',
	      "\u0139": 'Lacute',
	      "\u013E": 'lcaron',
	      "\u013D": 'Lcaron',
	      "\u013C": 'lcedil',
	      "\u013B": 'Lcedil',
	      "\u0142": 'lstrok',
	      "\u0141": 'Lstrok',
	      "\u0140": 'lmidot',
	      "\u013F": 'Lmidot',
	      "\uD835\uDD2A": 'mfr',
	      "\uD835\uDD5E": 'mopf',
	      "\uD835\uDCC2": 'mscr',
	      "\uD835\uDD10": 'Mfr',
	      "\uD835\uDD44": 'Mopf',
	      "\u2133": 'Mscr',
	      "\uD835\uDD2B": 'nfr',
	      "\uD835\uDD5F": 'nopf',
	      "\uD835\uDCC3": 'nscr',
	      "\u2115": 'Nopf',
	      "\uD835\uDCA9": 'Nscr',
	      "\uD835\uDD11": 'Nfr',
	      "\u0144": 'nacute',
	      "\u0143": 'Nacute',
	      "\u0148": 'ncaron',
	      "\u0147": 'Ncaron',
	      '\xF1': 'ntilde',
	      '\xD1': 'Ntilde',
	      "\u0146": 'ncedil',
	      "\u0145": 'Ncedil',
	      "\u2116": 'numero',
	      "\u014B": 'eng',
	      "\u014A": 'ENG',
	      "\uD835\uDD60": 'oopf',
	      "\uD835\uDD2C": 'ofr',
	      "\u2134": 'oscr',
	      "\uD835\uDCAA": 'Oscr',
	      "\uD835\uDD12": 'Ofr',
	      "\uD835\uDD46": 'Oopf',
	      '\xBA': 'ordm',
	      '\xF3': 'oacute',
	      '\xD3': 'Oacute',
	      '\xF2': 'ograve',
	      '\xD2': 'Ograve',
	      '\xF4': 'ocirc',
	      '\xD4': 'Ocirc',
	      '\xF6': 'ouml',
	      '\xD6': 'Ouml',
	      "\u0151": 'odblac',
	      "\u0150": 'Odblac',
	      '\xF5': 'otilde',
	      '\xD5': 'Otilde',
	      '\xF8': 'oslash',
	      '\xD8': 'Oslash',
	      "\u014D": 'omacr',
	      "\u014C": 'Omacr',
	      "\u0153": 'oelig',
	      "\u0152": 'OElig',
	      "\uD835\uDD2D": 'pfr',
	      "\uD835\uDCC5": 'pscr',
	      "\uD835\uDD61": 'popf',
	      "\u2119": 'Popf',
	      "\uD835\uDD13": 'Pfr',
	      "\uD835\uDCAB": 'Pscr',
	      "\uD835\uDD62": 'qopf',
	      "\uD835\uDD2E": 'qfr',
	      "\uD835\uDCC6": 'qscr',
	      "\uD835\uDCAC": 'Qscr',
	      "\uD835\uDD14": 'Qfr',
	      "\u211A": 'Qopf',
	      "\u0138": 'kgreen',
	      "\uD835\uDD2F": 'rfr',
	      "\uD835\uDD63": 'ropf',
	      "\uD835\uDCC7": 'rscr',
	      "\u211B": 'Rscr',
	      "\u211C": 'Re',
	      "\u211D": 'Ropf',
	      "\u0155": 'racute',
	      "\u0154": 'Racute',
	      "\u0159": 'rcaron',
	      "\u0158": 'Rcaron',
	      "\u0157": 'rcedil',
	      "\u0156": 'Rcedil',
	      "\uD835\uDD64": 'sopf',
	      "\uD835\uDCC8": 'sscr',
	      "\uD835\uDD30": 'sfr',
	      "\uD835\uDD4A": 'Sopf',
	      "\uD835\uDD16": 'Sfr',
	      "\uD835\uDCAE": 'Sscr',
	      "\u24C8": 'oS',
	      "\u015B": 'sacute',
	      "\u015A": 'Sacute',
	      "\u015D": 'scirc',
	      "\u015C": 'Scirc',
	      "\u0161": 'scaron',
	      "\u0160": 'Scaron',
	      "\u015F": 'scedil',
	      "\u015E": 'Scedil',
	      '\xDF': 'szlig',
	      "\uD835\uDD31": 'tfr',
	      "\uD835\uDCC9": 'tscr',
	      "\uD835\uDD65": 'topf',
	      "\uD835\uDCAF": 'Tscr',
	      "\uD835\uDD17": 'Tfr',
	      "\uD835\uDD4B": 'Topf',
	      "\u0165": 'tcaron',
	      "\u0164": 'Tcaron',
	      "\u0163": 'tcedil',
	      "\u0162": 'Tcedil',
	      "\u2122": 'trade',
	      "\u0167": 'tstrok',
	      "\u0166": 'Tstrok',
	      "\uD835\uDCCA": 'uscr',
	      "\uD835\uDD66": 'uopf',
	      "\uD835\uDD32": 'ufr',
	      "\uD835\uDD4C": 'Uopf',
	      "\uD835\uDD18": 'Ufr',
	      "\uD835\uDCB0": 'Uscr',
	      '\xFA': 'uacute',
	      '\xDA': 'Uacute',
	      '\xF9': 'ugrave',
	      '\xD9': 'Ugrave',
	      "\u016D": 'ubreve',
	      "\u016C": 'Ubreve',
	      '\xFB': 'ucirc',
	      '\xDB': 'Ucirc',
	      "\u016F": 'uring',
	      "\u016E": 'Uring',
	      '\xFC': 'uuml',
	      '\xDC': 'Uuml',
	      "\u0171": 'udblac',
	      "\u0170": 'Udblac',
	      "\u0169": 'utilde',
	      "\u0168": 'Utilde',
	      "\u0173": 'uogon',
	      "\u0172": 'Uogon',
	      "\u016B": 'umacr',
	      "\u016A": 'Umacr',
	      "\uD835\uDD33": 'vfr',
	      "\uD835\uDD67": 'vopf',
	      "\uD835\uDCCB": 'vscr',
	      "\uD835\uDD19": 'Vfr',
	      "\uD835\uDD4D": 'Vopf',
	      "\uD835\uDCB1": 'Vscr',
	      "\uD835\uDD68": 'wopf',
	      "\uD835\uDCCC": 'wscr',
	      "\uD835\uDD34": 'wfr',
	      "\uD835\uDCB2": 'Wscr',
	      "\uD835\uDD4E": 'Wopf',
	      "\uD835\uDD1A": 'Wfr',
	      "\u0175": 'wcirc',
	      "\u0174": 'Wcirc',
	      "\uD835\uDD35": 'xfr',
	      "\uD835\uDCCD": 'xscr',
	      "\uD835\uDD69": 'xopf',
	      "\uD835\uDD4F": 'Xopf',
	      "\uD835\uDD1B": 'Xfr',
	      "\uD835\uDCB3": 'Xscr',
	      "\uD835\uDD36": 'yfr',
	      "\uD835\uDCCE": 'yscr',
	      "\uD835\uDD6A": 'yopf',
	      "\uD835\uDCB4": 'Yscr',
	      "\uD835\uDD1C": 'Yfr',
	      "\uD835\uDD50": 'Yopf',
	      '\xFD': 'yacute',
	      '\xDD': 'Yacute',
	      "\u0177": 'ycirc',
	      "\u0176": 'Ycirc',
	      '\xFF': 'yuml',
	      "\u0178": 'Yuml',
	      "\uD835\uDCCF": 'zscr',
	      "\uD835\uDD37": 'zfr',
	      "\uD835\uDD6B": 'zopf',
	      "\u2128": 'Zfr',
	      "\u2124": 'Zopf',
	      "\uD835\uDCB5": 'Zscr',
	      "\u017A": 'zacute',
	      "\u0179": 'Zacute',
	      "\u017E": 'zcaron',
	      "\u017D": 'Zcaron',
	      "\u017C": 'zdot',
	      "\u017B": 'Zdot',
	      "\u01B5": 'imped',
	      '\xFE': 'thorn',
	      '\xDE': 'THORN',
	      "\u0149": 'napos',
	      "\u03B1": 'alpha',
	      "\u0391": 'Alpha',
	      "\u03B2": 'beta',
	      "\u0392": 'Beta',
	      "\u03B3": 'gamma',
	      "\u0393": 'Gamma',
	      "\u03B4": 'delta',
	      "\u0394": 'Delta',
	      "\u03B5": 'epsi',
	      "\u03F5": 'epsiv',
	      "\u0395": 'Epsilon',
	      "\u03DD": 'gammad',
	      "\u03DC": 'Gammad',
	      "\u03B6": 'zeta',
	      "\u0396": 'Zeta',
	      "\u03B7": 'eta',
	      "\u0397": 'Eta',
	      "\u03B8": 'theta',
	      "\u03D1": 'thetav',
	      "\u0398": 'Theta',
	      "\u03B9": 'iota',
	      "\u0399": 'Iota',
	      "\u03BA": 'kappa',
	      "\u03F0": 'kappav',
	      "\u039A": 'Kappa',
	      "\u03BB": 'lambda',
	      "\u039B": 'Lambda',
	      "\u03BC": 'mu',
	      '\xB5': 'micro',
	      "\u039C": 'Mu',
	      "\u03BD": 'nu',
	      "\u039D": 'Nu',
	      "\u03BE": 'xi',
	      "\u039E": 'Xi',
	      "\u03BF": 'omicron',
	      "\u039F": 'Omicron',
	      "\u03C0": 'pi',
	      "\u03D6": 'piv',
	      "\u03A0": 'Pi',
	      "\u03C1": 'rho',
	      "\u03F1": 'rhov',
	      "\u03A1": 'Rho',
	      "\u03C3": 'sigma',
	      "\u03A3": 'Sigma',
	      "\u03C2": 'sigmaf',
	      "\u03C4": 'tau',
	      "\u03A4": 'Tau',
	      "\u03C5": 'upsi',
	      "\u03A5": 'Upsilon',
	      "\u03D2": 'Upsi',
	      "\u03C6": 'phi',
	      "\u03D5": 'phiv',
	      "\u03A6": 'Phi',
	      "\u03C7": 'chi',
	      "\u03A7": 'Chi',
	      "\u03C8": 'psi',
	      "\u03A8": 'Psi',
	      "\u03C9": 'omega',
	      "\u03A9": 'ohm',
	      "\u0430": 'acy',
	      "\u0410": 'Acy',
	      "\u0431": 'bcy',
	      "\u0411": 'Bcy',
	      "\u0432": 'vcy',
	      "\u0412": 'Vcy',
	      "\u0433": 'gcy',
	      "\u0413": 'Gcy',
	      "\u0453": 'gjcy',
	      "\u0403": 'GJcy',
	      "\u0434": 'dcy',
	      "\u0414": 'Dcy',
	      "\u0452": 'djcy',
	      "\u0402": 'DJcy',
	      "\u0435": 'iecy',
	      "\u0415": 'IEcy',
	      "\u0451": 'iocy',
	      "\u0401": 'IOcy',
	      "\u0454": 'jukcy',
	      "\u0404": 'Jukcy',
	      "\u0436": 'zhcy',
	      "\u0416": 'ZHcy',
	      "\u0437": 'zcy',
	      "\u0417": 'Zcy',
	      "\u0455": 'dscy',
	      "\u0405": 'DScy',
	      "\u0438": 'icy',
	      "\u0418": 'Icy',
	      "\u0456": 'iukcy',
	      "\u0406": 'Iukcy',
	      "\u0457": 'yicy',
	      "\u0407": 'YIcy',
	      "\u0439": 'jcy',
	      "\u0419": 'Jcy',
	      "\u0458": 'jsercy',
	      "\u0408": 'Jsercy',
	      "\u043A": 'kcy',
	      "\u041A": 'Kcy',
	      "\u045C": 'kjcy',
	      "\u040C": 'KJcy',
	      "\u043B": 'lcy',
	      "\u041B": 'Lcy',
	      "\u0459": 'ljcy',
	      "\u0409": 'LJcy',
	      "\u043C": 'mcy',
	      "\u041C": 'Mcy',
	      "\u043D": 'ncy',
	      "\u041D": 'Ncy',
	      "\u045A": 'njcy',
	      "\u040A": 'NJcy',
	      "\u043E": 'ocy',
	      "\u041E": 'Ocy',
	      "\u043F": 'pcy',
	      "\u041F": 'Pcy',
	      "\u0440": 'rcy',
	      "\u0420": 'Rcy',
	      "\u0441": 'scy',
	      "\u0421": 'Scy',
	      "\u0442": 'tcy',
	      "\u0422": 'Tcy',
	      "\u045B": 'tshcy',
	      "\u040B": 'TSHcy',
	      "\u0443": 'ucy',
	      "\u0423": 'Ucy',
	      "\u045E": 'ubrcy',
	      "\u040E": 'Ubrcy',
	      "\u0444": 'fcy',
	      "\u0424": 'Fcy',
	      "\u0445": 'khcy',
	      "\u0425": 'KHcy',
	      "\u0446": 'tscy',
	      "\u0426": 'TScy',
	      "\u0447": 'chcy',
	      "\u0427": 'CHcy',
	      "\u045F": 'dzcy',
	      "\u040F": 'DZcy',
	      "\u0448": 'shcy',
	      "\u0428": 'SHcy',
	      "\u0449": 'shchcy',
	      "\u0429": 'SHCHcy',
	      "\u044A": 'hardcy',
	      "\u042A": 'HARDcy',
	      "\u044B": 'ycy',
	      "\u042B": 'Ycy',
	      "\u044C": 'softcy',
	      "\u042C": 'SOFTcy',
	      "\u044D": 'ecy',
	      "\u042D": 'Ecy',
	      "\u044E": 'yucy',
	      "\u042E": 'YUcy',
	      "\u044F": 'yacy',
	      "\u042F": 'YAcy',
	      "\u2135": 'aleph',
	      "\u2136": 'beth',
	      "\u2137": 'gimel',
	      "\u2138": 'daleth'
	    };
	    var regexEscape = /["&'<>`]/g;
	    var escapeMap = {
	      '"': '&quot;',
	      '&': '&amp;',
	      '\'': '&#x27;',
	      '<': '&lt;',
	      // See https://mathiasbynens.be/notes/ambiguous-ampersands: in HTML, the
	      // following is not strictly necessary unless it’s part of a tag or an
	      // unquoted attribute value. We’re only escaping it to support those
	      // situations, and for XML support.
	      '>': '&gt;',
	      // In Internet Explorer ≤ 8, the backtick character can be used
	      // to break out of (un)quoted attribute values or HTML comments.
	      // See http://html5sec.org/#102, http://html5sec.org/#108, and
	      // http://html5sec.org/#133.
	      '`': '&#x60;'
	    };
	    var regexInvalidEntity = /&#(?:[xX][^a-fA-F0-9]|[^0-9xX])/;
	    var regexInvalidRawCodePoint = /[\0-\x08\x0B\x0E-\x1F\x7F-\x9F\uFDD0-\uFDEF\uFFFE\uFFFF]|[\uD83F\uD87F\uD8BF\uD8FF\uD93F\uD97F\uD9BF\uD9FF\uDA3F\uDA7F\uDABF\uDAFF\uDB3F\uDB7F\uDBBF\uDBFF][\uDFFE\uDFFF]|[\uD800-\uDBFF](?![\uDC00-\uDFFF])|(?:[^\uD800-\uDBFF]|^)[\uDC00-\uDFFF]/;
	    var regexDecode = /&(CounterClockwiseContourIntegral|DoubleLongLeftRightArrow|ClockwiseContourIntegral|NotNestedGreaterGreater|NotSquareSupersetEqual|DiacriticalDoubleAcute|NotRightTriangleEqual|NotSucceedsSlantEqual|NotPrecedesSlantEqual|CloseCurlyDoubleQuote|NegativeVeryThinSpace|DoubleContourIntegral|FilledVerySmallSquare|CapitalDifferentialD|OpenCurlyDoubleQuote|EmptyVerySmallSquare|NestedGreaterGreater|DoubleLongRightArrow|NotLeftTriangleEqual|NotGreaterSlantEqual|ReverseUpEquilibrium|DoubleLeftRightArrow|NotSquareSubsetEqual|NotDoubleVerticalBar|RightArrowLeftArrow|NotGreaterFullEqual|NotRightTriangleBar|SquareSupersetEqual|DownLeftRightVector|DoubleLongLeftArrow|leftrightsquigarrow|LeftArrowRightArrow|NegativeMediumSpace|blacktriangleright|RightDownVectorBar|PrecedesSlantEqual|RightDoubleBracket|SucceedsSlantEqual|NotLeftTriangleBar|RightTriangleEqual|SquareIntersection|RightDownTeeVector|ReverseEquilibrium|NegativeThickSpace|longleftrightarrow|Longleftrightarrow|LongLeftRightArrow|DownRightTeeVector|DownRightVectorBar|GreaterSlantEqual|SquareSubsetEqual|LeftDownVectorBar|LeftDoubleBracket|VerticalSeparator|rightleftharpoons|NotGreaterGreater|NotSquareSuperset|blacktriangleleft|blacktriangledown|NegativeThinSpace|LeftDownTeeVector|NotLessSlantEqual|leftrightharpoons|DoubleUpDownArrow|DoubleVerticalBar|LeftTriangleEqual|FilledSmallSquare|twoheadrightarrow|NotNestedLessLess|DownLeftTeeVector|DownLeftVectorBar|RightAngleBracket|NotTildeFullEqual|NotReverseElement|RightUpDownVector|DiacriticalTilde|NotSucceedsTilde|circlearrowright|NotPrecedesEqual|rightharpoondown|DoubleRightArrow|NotSucceedsEqual|NonBreakingSpace|NotRightTriangle|LessEqualGreater|RightUpTeeVector|LeftAngleBracket|GreaterFullEqual|DownArrowUpArrow|RightUpVectorBar|twoheadleftarrow|GreaterEqualLess|downharpoonright|RightTriangleBar|ntrianglerighteq|NotSupersetEqual|LeftUpDownVector|DiacriticalAcute|rightrightarrows|vartriangleright|UpArrowDownArrow|DiacriticalGrave|UnderParenthesis|EmptySmallSquare|LeftUpVectorBar|leftrightarrows|DownRightVector|downharpoonleft|trianglerighteq|ShortRightArrow|OverParenthesis|DoubleLeftArrow|DoubleDownArrow|NotSquareSubset|bigtriangledown|ntrianglelefteq|UpperRightArrow|curvearrowright|vartriangleleft|NotLeftTriangle|nleftrightarrow|LowerRightArrow|NotHumpDownHump|NotGreaterTilde|rightthreetimes|LeftUpTeeVector|NotGreaterEqual|straightepsilon|LeftTriangleBar|rightsquigarrow|ContourIntegral|rightleftarrows|CloseCurlyQuote|RightDownVector|LeftRightVector|nLeftrightarrow|leftharpoondown|circlearrowleft|SquareSuperset|OpenCurlyQuote|hookrightarrow|HorizontalLine|DiacriticalDot|NotLessGreater|ntriangleright|DoubleRightTee|InvisibleComma|InvisibleTimes|LowerLeftArrow|DownLeftVector|NotSubsetEqual|curvearrowleft|trianglelefteq|NotVerticalBar|TildeFullEqual|downdownarrows|NotGreaterLess|RightTeeVector|ZeroWidthSpace|looparrowright|LongRightArrow|doublebarwedge|ShortLeftArrow|ShortDownArrow|RightVectorBar|GreaterGreater|ReverseElement|rightharpoonup|LessSlantEqual|leftthreetimes|upharpoonright|rightarrowtail|LeftDownVector|Longrightarrow|NestedLessLess|UpperLeftArrow|nshortparallel|leftleftarrows|leftrightarrow|Leftrightarrow|LeftRightArrow|longrightarrow|upharpoonleft|RightArrowBar|ApplyFunction|LeftTeeVector|leftarrowtail|NotEqualTilde|varsubsetneqq|varsupsetneqq|RightTeeArrow|SucceedsEqual|SucceedsTilde|LeftVectorBar|SupersetEqual|hookleftarrow|DifferentialD|VerticalTilde|VeryThinSpace|blacktriangle|bigtriangleup|LessFullEqual|divideontimes|leftharpoonup|UpEquilibrium|ntriangleleft|RightTriangle|measuredangle|shortparallel|longleftarrow|Longleftarrow|LongLeftArrow|DoubleLeftTee|Poincareplane|PrecedesEqual|triangleright|DoubleUpArrow|RightUpVector|fallingdotseq|looparrowleft|PrecedesTilde|NotTildeEqual|NotTildeTilde|smallsetminus|Proportional|triangleleft|triangledown|UnderBracket|NotHumpEqual|exponentiale|ExponentialE|NotLessTilde|HilbertSpace|RightCeiling|blacklozenge|varsupsetneq|HumpDownHump|GreaterEqual|VerticalLine|LeftTeeArrow|NotLessEqual|DownTeeArrow|LeftTriangle|varsubsetneq|Intersection|NotCongruent|DownArrow
	    var decodeMap = {
	      'aacute': '\xE1',
	      'Aacute': '\xC1',
	      'abreve': "\u0103",
	      'Abreve': "\u0102",
	      'ac': "\u223E",
	      'acd': "\u223F",
	      'acE': "\u223E\u0333",
	      'acirc': '\xE2',
	      'Acirc': '\xC2',
	      'acute': '\xB4',
	      'acy': "\u0430",
	      'Acy': "\u0410",
	      'aelig': '\xE6',
	      'AElig': '\xC6',
	      'af': "\u2061",
	      'afr': "\uD835\uDD1E",
	      'Afr': "\uD835\uDD04",
	      'agrave': '\xE0',
	      'Agrave': '\xC0',
	      'alefsym': "\u2135",
	      'aleph': "\u2135",
	      'alpha': "\u03B1",
	      'Alpha': "\u0391",
	      'amacr': "\u0101",
	      'Amacr': "\u0100",
	      'amalg': "\u2A3F",
	      'amp': '&',
	      'AMP': '&',
	      'and': "\u2227",
	      'And': "\u2A53",
	      'andand': "\u2A55",
	      'andd': "\u2A5C",
	      'andslope': "\u2A58",
	      'andv': "\u2A5A",
	      'ang': "\u2220",
	      'ange': "\u29A4",
	      'angle': "\u2220",
	      'angmsd': "\u2221",
	      'angmsdaa': "\u29A8",
	      'angmsdab': "\u29A9",
	      'angmsdac': "\u29AA",
	      'angmsdad': "\u29AB",
	      'angmsdae': "\u29AC",
	      'angmsdaf': "\u29AD",
	      'angmsdag': "\u29AE",
	      'angmsdah': "\u29AF",
	      'angrt': "\u221F",
	      'angrtvb': "\u22BE",
	      'angrtvbd': "\u299D",
	      'angsph': "\u2222",
	      'angst': '\xC5',
	      'angzarr': "\u237C",
	      'aogon': "\u0105",
	      'Aogon': "\u0104",
	      'aopf': "\uD835\uDD52",
	      'Aopf': "\uD835\uDD38",
	      'ap': "\u2248",
	      'apacir': "\u2A6F",
	      'ape': "\u224A",
	      'apE': "\u2A70",
	      'apid': "\u224B",
	      'apos': '\'',
	      'ApplyFunction': "\u2061",
	      'approx': "\u2248",
	      'approxeq': "\u224A",
	      'aring': '\xE5',
	      'Aring': '\xC5',
	      'ascr': "\uD835\uDCB6",
	      'Ascr': "\uD835\uDC9C",
	      'Assign': "\u2254",
	      'ast': '*',
	      'asymp': "\u2248",
	      'asympeq': "\u224D",
	      'atilde': '\xE3',
	      'Atilde': '\xC3',
	      'auml': '\xE4',
	      'Auml': '\xC4',
	      'awconint': "\u2233",
	      'awint': "\u2A11",
	      'backcong': "\u224C",
	      'backepsilon': "\u03F6",
	      'backprime': "\u2035",
	      'backsim': "\u223D",
	      'backsimeq': "\u22CD",
	      'Backslash': "\u2216",
	      'Barv': "\u2AE7",
	      'barvee': "\u22BD",
	      'barwed': "\u2305",
	      'Barwed': "\u2306",
	      'barwedge': "\u2305",
	      'bbrk': "\u23B5",
	      'bbrktbrk': "\u23B6",
	      'bcong': "\u224C",
	      'bcy': "\u0431",
	      'Bcy': "\u0411",
	      'bdquo': "\u201E",
	      'becaus': "\u2235",
	      'because': "\u2235",
	      'Because': "\u2235",
	      'bemptyv': "\u29B0",
	      'bepsi': "\u03F6",
	      'bernou': "\u212C",
	      'Bernoullis': "\u212C",
	      'beta': "\u03B2",
	      'Beta': "\u0392",
	      'beth': "\u2136",
	      'between': "\u226C",
	      'bfr': "\uD835\uDD1F",
	      'Bfr': "\uD835\uDD05",
	      'bigcap': "\u22C2",
	      'bigcirc': "\u25EF",
	      'bigcup': "\u22C3",
	      'bigodot': "\u2A00",
	      'bigoplus': "\u2A01",
	      'bigotimes': "\u2A02",
	      'bigsqcup': "\u2A06",
	      'bigstar': "\u2605",
	      'bigtriangledown': "\u25BD",
	      'bigtriangleup': "\u25B3",
	      'biguplus': "\u2A04",
	      'bigvee': "\u22C1",
	      'bigwedge': "\u22C0",
	      'bkarow': "\u290D",
	      'blacklozenge': "\u29EB",
	      'blacksquare': "\u25AA",
	      'blacktriangle': "\u25B4",
	      'blacktriangledown': "\u25BE",
	      'blacktriangleleft': "\u25C2",
	      'blacktriangleright': "\u25B8",
	      'blank': "\u2423",
	      'blk12': "\u2592",
	      'blk14': "\u2591",
	      'blk34': "\u2593",
	      'block': "\u2588",
	      'bne': "=\u20E5",
	      'bnequiv': "\u2261\u20E5",
	      'bnot': "\u2310",
	      'bNot': "\u2AED",
	      'bopf': "\uD835\uDD53",
	      'Bopf': "\uD835\uDD39",
	      'bot': "\u22A5",
	      'bottom': "\u22A5",
	      'bowtie': "\u22C8",
	      'boxbox': "\u29C9",
	      'boxdl': "\u2510",
	      'boxdL': "\u2555",
	      'boxDl': "\u2556",
	      'boxDL': "\u2557",
	      'boxdr': "\u250C",
	      'boxdR': "\u2552",
	      'boxDr': "\u2553",
	      'boxDR': "\u2554",
	      'boxh': "\u2500",
	      'boxH': "\u2550",
	      'boxhd': "\u252C",
	      'boxhD': "\u2565",
	      'boxHd': "\u2564",
	      'boxHD': "\u2566",
	      'boxhu': "\u2534",
	      'boxhU': "\u2568",
	      'boxHu': "\u2567",
	      'boxHU': "\u2569",
	      'boxminus': "\u229F",
	      'boxplus': "\u229E",
	      'boxtimes': "\u22A0",
	      'boxul': "\u2518",
	      'boxuL': "\u255B",
	      'boxUl': "\u255C",
	      'boxUL': "\u255D",
	      'boxur': "\u2514",
	      'boxuR': "\u2558",
	      'boxUr': "\u2559",
	      'boxUR': "\u255A",
	      'boxv': "\u2502",
	      'boxV': "\u2551",
	      'boxvh': "\u253C",
	      'boxvH': "\u256A",
	      'boxVh': "\u256B",
	      'boxVH': "\u256C",
	      'boxvl': "\u2524",
	      'boxvL': "\u2561",
	      'boxVl': "\u2562",
	      'boxVL': "\u2563",
	      'boxvr': "\u251C",
	      'boxvR': "\u255E",
	      'boxVr': "\u255F",
	      'boxVR': "\u2560",
	      'bprime': "\u2035",
	      'breve': "\u02D8",
	      'Breve': "\u02D8",
	      'brvbar': '\xA6',
	      'bscr': "\uD835\uDCB7",
	      'Bscr': "\u212C",
	      'bsemi': "\u204F",
	      'bsim': "\u223D",
	      'bsime': "\u22CD",
	      'bsol': '\\',
	      'bsolb': "\u29C5",
	      'bsolhsub': "\u27C8",
	      'bull': "\u2022",
	      'bullet': "\u2022",
	      'bump': "\u224E",
	      'bumpe': "\u224F",
	      'bumpE': "\u2AAE",
	      'bumpeq': "\u224F",
	      'Bumpeq': "\u224E",
	      'cacute': "\u0107",
	      'Cacute': "\u0106",
	      'cap': "\u2229",
	      'Cap': "\u22D2",
	      'capand': "\u2A44",
	      'capbrcup': "\u2A49",
	      'capcap': "\u2A4B",
	      'capcup': "\u2A47",
	      'capdot': "\u2A40",
	      'CapitalDifferentialD': "\u2145",
	      'caps': "\u2229\uFE00",
	      'caret': "\u2041",
	      'caron': "\u02C7",
	      'Cayleys': "\u212D",
	      'ccaps': "\u2A4D",
	      'ccaron': "\u010D",
	      'Ccaron': "\u010C",
	      'ccedil': '\xE7',
	      'Ccedil': '\xC7',
	      'ccirc': "\u0109",
	      'Ccirc': "\u0108",
	      'Cconint': "\u2230",
	      'ccups': "\u2A4C",
	      'ccupssm': "\u2A50",
	      'cdot': "\u010B",
	      'Cdot': "\u010A",
	      'cedil': '\xB8',
	      'Cedilla': '\xB8',
	      'cemptyv': "\u29B2",
	      'cent': '\xA2',
	      'centerdot': '\xB7',
	      'CenterDot': '\xB7',
	      'cfr': "\uD835\uDD20",
	      'Cfr': "\u212D",
	      'chcy': "\u0447",
	      'CHcy': "\u0427",
	      'check': "\u2713",
	      'checkmark': "\u2713",
	      'chi': "\u03C7",
	      'Chi': "\u03A7",
	      'cir': "\u25CB",
	      'circ': "\u02C6",
	      'circeq': "\u2257",
	      'circlearrowleft': "\u21BA",
	      'circlearrowright': "\u21BB",
	      'circledast': "\u229B",
	      'circledcirc': "\u229A",
	      'circleddash': "\u229D",
	      'CircleDot': "\u2299",
	      'circledR': '\xAE',
	      'circledS': "\u24C8",
	      'CircleMinus': "\u2296",
	      'CirclePlus': "\u2295",
	      'CircleTimes': "\u2297",
	      'cire': "\u2257",
	      'cirE': "\u29C3",
	      'cirfnint': "\u2A10",
	      'cirmid': "\u2AEF",
	      'cirscir': "\u29C2",
	      'ClockwiseContourIntegral': "\u2232",
	      'CloseCurlyDoubleQuote': "\u201D",
	      'CloseCurlyQuote': "\u2019",
	      'clubs': "\u2663",
	      'clubsuit': "\u2663",
	      'colon': ':',
	      'Colon': "\u2237",
	      'colone': "\u2254",
	      'Colone': "\u2A74",
	      'coloneq': "\u2254",
	      'comma': ',',
	      'commat': '@',
	      'comp': "\u2201",
	      'compfn': "\u2218",
	      'complement': "\u2201",
	      'complexes': "\u2102",
	      'cong': "\u2245",
	      'congdot': "\u2A6D",
	      'Congruent': "\u2261",
	      'conint': "\u222E",
	      'Conint': "\u222F",
	      'ContourIntegral': "\u222E",
	      'copf': "\uD835\uDD54",
	      'Copf': "\u2102",
	      'coprod': "\u2210",
	      'Coproduct': "\u2210",
	      'copy': '\xA9',
	      'COPY': '\xA9',
	      'copysr': "\u2117",
	      'CounterClockwiseContourIntegral': "\u2233",
	      'crarr': "\u21B5",
	      'cross': "\u2717",
	      'Cross': "\u2A2F",
	      'cscr': "\uD835\uDCB8",
	      'Cscr': "\uD835\uDC9E",
	      'csub': "\u2ACF",
	      'csube': "\u2AD1",
	      'csup': "\u2AD0",
	      'csupe': "\u2AD2",
	      'ctdot': "\u22EF",
	      'cudarrl': "\u2938",
	      'cudarrr': "\u2935",
	      'cuepr': "\u22DE",
	      'cuesc': "\u22DF",
	      'cularr': "\u21B6",
	      'cularrp': "\u293D",
	      'cup': "\u222A",
	      'Cup': "\u22D3",
	      'cupbrcap': "\u2A48",
	      'cupcap': "\u2A46",
	      'CupCap': "\u224D",
	      'cupcup': "\u2A4A",
	      'cupdot': "\u228D",
	      'cupor': "\u2A45",
	      'cups': "\u222A\uFE00",
	      'curarr': "\u21B7",
	      'curarrm': "\u293C",
	      'curlyeqprec': "\u22DE",
	      'curlyeqsucc': "\u22DF",
	      'curlyvee': "\u22CE",
	      'curlywedge': "\u22CF",
	      'curren': '\xA4',
	      'curvearrowleft': "\u21B6",
	      'curvearrowright': "\u21B7",
	      'cuvee': "\u22CE",
	      'cuwed': "\u22CF",
	      'cwconint': "\u2232",
	      'cwint': "\u2231",
	      'cylcty': "\u232D",
	      'dagger': "\u2020",
	      'Dagger': "\u2021",
	      'daleth': "\u2138",
	      'darr': "\u2193",
	      'dArr': "\u21D3",
	      'Darr': "\u21A1",
	      'dash': "\u2010",
	      'dashv': "\u22A3",
	      'Dashv': "\u2AE4",
	      'dbkarow': "\u290F",
	      'dblac': "\u02DD",
	      'dcaron': "\u010F",
	      'Dcaron': "\u010E",
	      'dcy': "\u0434",
	      'Dcy': "\u0414",
	      'dd': "\u2146",
	      'DD': "\u2145",
	      'ddagger': "\u2021",
	      'ddarr': "\u21CA",
	      'DDotrahd': "\u2911",
	      'ddotseq': "\u2A77",
	      'deg': '\xB0',
	      'Del': "\u2207",
	      'delta': "\u03B4",
	      'Delta': "\u0394",
	      'demptyv': "\u29B1",
	      'dfisht': "\u297F",
	      'dfr': "\uD835\uDD21",
	      'Dfr': "\uD835\uDD07",
	      'dHar': "\u2965",
	      'dharl': "\u21C3",
	      'dharr': "\u21C2",
	      'DiacriticalAcute': '\xB4',
	      'DiacriticalDot': "\u02D9",
	      'DiacriticalDoubleAcute': "\u02DD",
	      'DiacriticalGrave': '`',
	      'DiacriticalTilde': "\u02DC",
	      'diam': "\u22C4",
	      'diamond': "\u22C4",
	      'Diamond': "\u22C4",
	      'diamondsuit': "\u2666",
	      'diams': "\u2666",
	      'die': '\xA8',
	      'DifferentialD': "\u2146",
	      'digamma': "\u03DD",
	      'disin': "\u22F2",
	      'div': '\xF7',
	      'divide': '\xF7',
	      'divideontimes': "\u22C7",
	      'divonx': "\u22C7",
	      'djcy': "\u0452",
	      'DJcy': "\u0402",
	      'dlcorn': "\u231E",
	      'dlcrop': "\u230D",
	      'dollar': '$',
	      'dopf': "\uD835\uDD55",
	      'Dopf': "\uD835\uDD3B",
	      'dot': "\u02D9",
	      'Dot': '\xA8',
	      'DotDot': "\u20DC",
	      'doteq': "\u2250",
	      'doteqdot': "\u2251",
	      'DotEqual': "\u2250",
	      'dotminus': "\u2238",
	      'dotplus': "\u2214",
	      'dotsquare': "\u22A1",
	      'doublebarwedge': "\u2306",
	      'DoubleContourIntegral': "\u222F",
	      'DoubleDot': '\xA8',
	      'DoubleDownArrow': "\u21D3",
	      'DoubleLeftArrow': "\u21D0",
	      'DoubleLeftRightArrow': "\u21D4",
	      'DoubleLeftTee': "\u2AE4",
	      'DoubleLongLeftArrow': "\u27F8",
	      'DoubleLongLeftRightArrow': "\u27FA",
	      'DoubleLongRightArrow': "\u27F9",
	      'DoubleRightArrow': "\u21D2",
	      'DoubleRightTee': "\u22A8",
	      'DoubleUpArrow': "\u21D1",
	      'DoubleUpDownArrow': "\u21D5",
	      'DoubleVerticalBar': "\u2225",
	      'downarrow': "\u2193",
	      'Downarrow': "\u21D3",
	      'DownArrow': "\u2193",
	      'DownArrowBar': "\u2913",
	      'DownArrowUpArrow': "\u21F5",
	      'DownBreve': "\u0311",
	      'downdownarrows': "\u21CA",
	      'downharpoonleft': "\u21C3",
	      'downharpoonright': "\u21C2",
	      'DownLeftRightVector': "\u2950",
	      'DownLeftTeeVector': "\u295E",
	      'DownLeftVector': "\u21BD",
	      'DownLeftVectorBar': "\u2956",
	      'DownRightTeeVector': "\u295F",
	      'DownRightVector': "\u21C1",
	      'DownRightVectorBar': "\u2957",
	      'DownTee': "\u22A4",
	      'DownTeeArrow': "\u21A7",
	      'drbkarow': "\u2910",
	      'drcorn': "\u231F",
	      'drcrop': "\u230C",
	      'dscr': "\uD835\uDCB9",
	      'Dscr': "\uD835\uDC9F",
	      'dscy': "\u0455",
	      'DScy': "\u0405",
	      'dsol': "\u29F6",
	      'dstrok': "\u0111",
	      'Dstrok': "\u0110",
	      'dtdot': "\u22F1",
	      'dtri': "\u25BF",
	      'dtrif': "\u25BE",
	      'duarr': "\u21F5",
	      'duhar': "\u296F",
	      'dwangle': "\u29A6",
	      'dzcy': "\u045F",
	      'DZcy': "\u040F",
	      'dzigrarr': "\u27FF",
	      'eacute': '\xE9',
	      'Eacute': '\xC9',
	      'easter': "\u2A6E",
	      'ecaron': "\u011B",
	      'Ecaron': "\u011A",
	      'ecir': "\u2256",
	      'ecirc': '\xEA',
	      'Ecirc': '\xCA',
	      'ecolon': "\u2255",
	      'ecy': "\u044D",
	      'Ecy': "\u042D",
	      'eDDot': "\u2A77",
	      'edot': "\u0117",
	      'eDot': "\u2251",
	      'Edot': "\u0116",
	      'ee': "\u2147",
	      'efDot': "\u2252",
	      'efr': "\uD835\uDD22",
	      'Efr': "\uD835\uDD08",
	      'eg': "\u2A9A",
	      'egrave': '\xE8',
	      'Egrave': '\xC8',
	      'egs': "\u2A96",
	      'egsdot': "\u2A98",
	      'el': "\u2A99",
	      'Element': "\u2208",
	      'elinters': "\u23E7",
	      'ell': "\u2113",
	      'els': "\u2A95",
	      'elsdot': "\u2A97",
	      'emacr': "\u0113",
	      'Emacr': "\u0112",
	      'empty': "\u2205",
	      'emptyset': "\u2205",
	      'EmptySmallSquare': "\u25FB",
	      'emptyv': "\u2205",
	      'EmptyVerySmallSquare': "\u25AB",
	      'emsp': "\u2003",
	      'emsp13': "\u2004",
	      'emsp14': "\u2005",
	      'eng': "\u014B",
	      'ENG': "\u014A",
	      'ensp': "\u2002",
	      'eogon': "\u0119",
	      'Eogon': "\u0118",
	      'eopf': "\uD835\uDD56",
	      'Eopf': "\uD835\uDD3C",
	      'epar': "\u22D5",
	      'eparsl': "\u29E3",
	      'eplus': "\u2A71",
	      'epsi': "\u03B5",
	      'epsilon': "\u03B5",
	      'Epsilon': "\u0395",
	      'epsiv': "\u03F5",
	      'eqcirc': "\u2256",
	      'eqcolon': "\u2255",
	      'eqsim': "\u2242",
	      'eqslantgtr': "\u2A96",
	      'eqslantless': "\u2A95",
	      'Equal': "\u2A75",
	      'equals': '=',
	      'EqualTilde': "\u2242",
	      'equest': "\u225F",
	      'Equilibrium': "\u21CC",
	      'equiv': "\u2261",
	      'equivDD': "\u2A78",
	      'eqvparsl': "\u29E5",
	      'erarr': "\u2971",
	      'erDot': "\u2253",
	      'escr': "\u212F",
	      'Escr': "\u2130",
	      'esdot': "\u2250",
	      'esim': "\u2242",
	      'Esim': "\u2A73",
	      'eta': "\u03B7",
	      'Eta': "\u0397",
	      'eth': '\xF0',
	      'ETH': '\xD0',
	      'euml': '\xEB',
	      'Euml': '\xCB',
	      'euro': "\u20AC",
	      'excl': '!',
	      'exist': "\u2203",
	      'Exists': "\u2203",
	      'expectation': "\u2130",
	      'exponentiale': "\u2147",
	      'ExponentialE': "\u2147",
	      'fallingdotseq': "\u2252",
	      'fcy': "\u0444",
	      'Fcy': "\u0424",
	      'female': "\u2640",
	      'ffilig': "\uFB03",
	      'fflig': "\uFB00",
	      'ffllig': "\uFB04",
	      'ffr': "\uD835\uDD23",
	      'Ffr': "\uD835\uDD09",
	      'filig': "\uFB01",
	      'FilledSmallSquare': "\u25FC",
	      'FilledVerySmallSquare': "\u25AA",
	      'fjlig': 'fj',
	      'flat': "\u266D",
	      'fllig': "\uFB02",
	      'fltns': "\u25B1",
	      'fnof': "\u0192",
	      'fopf': "\uD835\uDD57",
	      'Fopf': "\uD835\uDD3D",
	      'forall': "\u2200",
	      'ForAll': "\u2200",
	      'fork': "\u22D4",
	      'forkv': "\u2AD9",
	      'Fouriertrf': "\u2131",
	      'fpartint': "\u2A0D",
	      'frac12': '\xBD',
	      'frac13': "\u2153",
	      'frac14': '\xBC',
	      'frac15': "\u2155",
	      'frac16': "\u2159",
	      'frac18': "\u215B",
	      'frac23': "\u2154",
	      'frac25': "\u2156",
	      'frac34': '\xBE',
	      'frac35': "\u2157",
	      'frac38': "\u215C",
	      'frac45': "\u2158",
	      'frac56': "\u215A",
	      'frac58': "\u215D",
	      'frac78': "\u215E",
	      'frasl': "\u2044",
	      'frown': "\u2322",
	      'fscr': "\uD835\uDCBB",
	      'Fscr': "\u2131",
	      'gacute': "\u01F5",
	      'gamma': "\u03B3",
	      'Gamma': "\u0393",
	      'gammad': "\u03DD",
	      'Gammad': "\u03DC",
	      'gap': "\u2A86",
	      'gbreve': "\u011F",
	      'Gbreve': "\u011E",
	      'Gcedil': "\u0122",
	      'gcirc': "\u011D",
	      'Gcirc': "\u011C",
	      'gcy': "\u0433",
	      'Gcy': "\u0413",
	      'gdot': "\u0121",
	      'Gdot': "\u0120",
	      'ge': "\u2265",
	      'gE': "\u2267",
	      'gel': "\u22DB",
	      'gEl': "\u2A8C",
	      'geq': "\u2265",
	      'geqq': "\u2267",
	      'geqslant': "\u2A7E",
	      'ges': "\u2A7E",
	      'gescc': "\u2AA9",
	      'gesdot': "\u2A80",
	      'gesdoto': "\u2A82",
	      'gesdotol': "\u2A84",
	      'gesl': "\u22DB\uFE00",
	      'gesles': "\u2A94",
	      'gfr': "\uD835\uDD24",
	      'Gfr': "\uD835\uDD0A",
	      'gg': "\u226B",
	      'Gg': "\u22D9",
	      'ggg': "\u22D9",
	      'gimel': "\u2137",
	      'gjcy': "\u0453",
	      'GJcy': "\u0403",
	      'gl': "\u2277",
	      'gla': "\u2AA5",
	      'glE': "\u2A92",
	      'glj': "\u2AA4",
	      'gnap': "\u2A8A",
	      'gnapprox': "\u2A8A",
	      'gne': "\u2A88",
	      'gnE': "\u2269",
	      'gneq': "\u2A88",
	      'gneqq': "\u2269",
	      'gnsim': "\u22E7",
	      'gopf': "\uD835\uDD58",
	      'Gopf': "\uD835\uDD3E",
	      'grave': '`',
	      'GreaterEqual': "\u2265",
	      'GreaterEqualLess': "\u22DB",
	      'GreaterFullEqual': "\u2267",
	      'GreaterGreater': "\u2AA2",
	      'GreaterLess': "\u2277",
	      'GreaterSlantEqual': "\u2A7E",
	      'GreaterTilde': "\u2273",
	      'gscr': "\u210A",
	      'Gscr': "\uD835\uDCA2",
	      'gsim': "\u2273",
	      'gsime': "\u2A8E",
	      'gsiml': "\u2A90",
	      'gt': '>',
	      'Gt': "\u226B",
	      'GT': '>',
	      'gtcc': "\u2AA7",
	      'gtcir': "\u2A7A",
	      'gtdot': "\u22D7",
	      'gtlPar': "\u2995",
	      'gtquest': "\u2A7C",
	      'gtrapprox': "\u2A86",
	      'gtrarr': "\u2978",
	      'gtrdot': "\u22D7",
	      'gtreqless': "\u22DB",
	      'gtreqqless': "\u2A8C",
	      'gtrless': "\u2277",
	      'gtrsim': "\u2273",
	      'gvertneqq': "\u2269\uFE00",
	      'gvnE': "\u2269\uFE00",
	      'Hacek': "\u02C7",
	      'hairsp': "\u200A",
	      'half': '\xBD',
	      'hamilt': "\u210B",
	      'hardcy': "\u044A",
	      'HARDcy': "\u042A",
	      'harr': "\u2194",
	      'hArr': "\u21D4",
	      'harrcir': "\u2948",
	      'harrw': "\u21AD",
	      'Hat': '^',
	      'hbar': "\u210F",
	      'hcirc': "\u0125",
	      'Hcirc': "\u0124",
	      'hearts': "\u2665",
	      'heartsuit': "\u2665",
	      'hellip': "\u2026",
	      'hercon': "\u22B9",
	      'hfr': "\uD835\uDD25",
	      'Hfr': "\u210C",
	      'HilbertSpace': "\u210B",
	      'hksearow': "\u2925",
	      'hkswarow': "\u2926",
	      'hoarr': "\u21FF",
	      'homtht': "\u223B",
	      'hookleftarrow': "\u21A9",
	      'hookrightarrow': "\u21AA",
	      'hopf': "\uD835\uDD59",
	      'Hopf': "\u210D",
	      'horbar': "\u2015",
	      'HorizontalLine': "\u2500",
	      'hscr': "\uD835\uDCBD",
	      'Hscr': "\u210B",
	      'hslash': "\u210F",
	      'hstrok': "\u0127",
	      'Hstrok': "\u0126",
	      'HumpDownHump': "\u224E",
	      'HumpEqual': "\u224F",
	      'hybull': "\u2043",
	      'hyphen': "\u2010",
	      'iacute': '\xED',
	      'Iacute': '\xCD',
	      'ic': "\u2063",
	      'icirc': '\xEE',
	      'Icirc': '\xCE',
	      'icy': "\u0438",
	      'Icy': "\u0418",
	      'Idot': "\u0130",
	      'iecy': "\u0435",
	      'IEcy': "\u0415",
	      'iexcl': '\xA1',
	      'iff': "\u21D4",
	      'ifr': "\uD835\uDD26",
	      'Ifr': "\u2111",
	      'igrave': '\xEC',
	      'Igrave': '\xCC',
	      'ii': "\u2148",
	      'iiiint': "\u2A0C",
	      'iiint': "\u222D",
	      'iinfin': "\u29DC",
	      'iiota': "\u2129",
	      'ijlig': "\u0133",
	      'IJlig': "\u0132",
	      'Im': "\u2111",
	      'imacr': "\u012B",
	      'Imacr': "\u012A",
	      'image': "\u2111",
	      'ImaginaryI': "\u2148",
	      'imagline': "\u2110",
	      'imagpart': "\u2111",
	      'imath': "\u0131",
	      'imof': "\u22B7",
	      'imped': "\u01B5",
	      'Implies': "\u21D2",
	      'in': "\u2208",
	      'incare': "\u2105",
	      'infin': "\u221E",
	      'infintie': "\u29DD",
	      'inodot': "\u0131",
	      'int': "\u222B",
	      'Int': "\u222C",
	      'intcal': "\u22BA",
	      'integers': "\u2124",
	      'Integral': "\u222B",
	      'intercal': "\u22BA",
	      'Intersection': "\u22C2",
	      'intlarhk': "\u2A17",
	      'intprod': "\u2A3C",
	      'InvisibleComma': "\u2063",
	      'InvisibleTimes': "\u2062",
	      'iocy': "\u0451",
	      'IOcy': "\u0401",
	      'iogon': "\u012F",
	      'Iogon': "\u012E",
	      'iopf': "\uD835\uDD5A",
	      'Iopf': "\uD835\uDD40",
	      'iota': "\u03B9",
	      'Iota': "\u0399",
	      'iprod': "\u2A3C",
	      'iquest': '\xBF',
	      'iscr': "\uD835\uDCBE",
	      'Iscr': "\u2110",
	      'isin': "\u2208",
	      'isindot': "\u22F5",
	      'isinE': "\u22F9",
	      'isins': "\u22F4",
	      'isinsv': "\u22F3",
	      'isinv': "\u2208",
	      'it': "\u2062",
	      'itilde': "\u0129",
	      'Itilde': "\u0128",
	      'iukcy': "\u0456",
	      'Iukcy': "\u0406",
	      'iuml': '\xEF',
	      'Iuml': '\xCF',
	      'jcirc': "\u0135",
	      'Jcirc': "\u0134",
	      'jcy': "\u0439",
	      'Jcy': "\u0419",
	      'jfr': "\uD835\uDD27",
	      'Jfr': "\uD835\uDD0D",
	      'jmath': "\u0237",
	      'jopf': "\uD835\uDD5B",
	      'Jopf': "\uD835\uDD41",
	      'jscr': "\uD835\uDCBF",
	      'Jscr': "\uD835\uDCA5",
	      'jsercy': "\u0458",
	      'Jsercy': "\u0408",
	      'jukcy': "\u0454",
	      'Jukcy': "\u0404",
	      'kappa': "\u03BA",
	      'Kappa': "\u039A",
	      'kappav': "\u03F0",
	      'kcedil': "\u0137",
	      'Kcedil': "\u0136",
	      'kcy': "\u043A",
	      'Kcy': "\u041A",
	      'kfr': "\uD835\uDD28",
	      'Kfr': "\uD835\uDD0E",
	      'kgreen': "\u0138",
	      'khcy': "\u0445",
	      'KHcy': "\u0425",
	      'kjcy': "\u045C",
	      'KJcy': "\u040C",
	      'kopf': "\uD835\uDD5C",
	      'Kopf': "\uD835\uDD42",
	      'kscr': "\uD835\uDCC0",
	      'Kscr': "\uD835\uDCA6",
	      'lAarr': "\u21DA",
	      'lacute': "\u013A",
	      'Lacute': "\u0139",
	      'laemptyv': "\u29B4",
	      'lagran': "\u2112",
	      'lambda': "\u03BB",
	      'Lambda': "\u039B",
	      'lang': "\u27E8",
	      'Lang': "\u27EA",
	      'langd': "\u2991",
	      'langle': "\u27E8",
	      'lap': "\u2A85",
	      'Laplacetrf': "\u2112",
	      'laquo': '\xAB',
	      'larr': "\u2190",
	      'lArr': "\u21D0",
	      'Larr': "\u219E",
	      'larrb': "\u21E4",
	      'larrbfs': "\u291F",
	      'larrfs': "\u291D",
	      'larrhk': "\u21A9",
	      'larrlp': "\u21AB",
	      'larrpl': "\u2939",
	      'larrsim': "\u2973",
	      'larrtl': "\u21A2",
	      'lat': "\u2AAB",
	      'latail': "\u2919",
	      'lAtail': "\u291B",
	      'late': "\u2AAD",
	      'lates': "\u2AAD\uFE00",
	      'lbarr': "\u290C",
	      'lBarr': "\u290E",
	      'lbbrk': "\u2772",
	      'lbrace': '{',
	      'lbrack': '[',
	      'lbrke': "\u298B",
	      'lbrksld': "\u298F",
	      'lbrkslu': "\u298D",
	      'lcaron': "\u013E",
	      'Lcaron': "\u013D",
	      'lcedil': "\u013C",
	      'Lcedil': "\u013B",
	      'lceil': "\u2308",
	      'lcub': '{',
	      'lcy': "\u043B",
	      'Lcy': "\u041B",
	      'ldca': "\u2936",
	      'ldquo': "\u201C",
	      'ldquor': "\u201E",
	      'ldrdhar': "\u2967",
	      'ldrushar': "\u294B",
	      'ldsh': "\u21B2",
	      'le': "\u2264",
	      'lE': "\u2266",
	      'LeftAngleBracket': "\u27E8",
	      'leftarrow': "\u2190",
	      'Leftarrow': "\u21D0",
	      'LeftArrow': "\u2190",
	      'LeftArrowBar': "\u21E4",
	      'LeftArrowRightArrow': "\u21C6",
	      'leftarrowtail': "\u21A2",
	      'LeftCeiling': "\u2308",
	      'LeftDoubleBracket': "\u27E6",
	      'LeftDownTeeVector': "\u2961",
	      'LeftDownVector': "\u21C3",
	      'LeftDownVectorBar': "\u2959",
	      'LeftFloor': "\u230A",
	      'leftharpoondown': "\u21BD",
	      'leftharpoonup': "\u21BC",
	      'leftleftarrows': "\u21C7",
	      'leftrightarrow': "\u2194",
	      'Leftrightarrow': "\u21D4",
	      'LeftRightArrow': "\u2194",
	      'leftrightarrows': "\u21C6",
	      'leftrightharpoons': "\u21CB",
	      'leftrightsquigarrow': "\u21AD",
	      'LeftRightVector': "\u294E",
	      'LeftTee': "\u22A3",
	      'LeftTeeArrow': "\u21A4",
	      'LeftTeeVector': "\u295A",
	      'leftthreetimes': "\u22CB",
	      'LeftTriangle': "\u22B2",
	      'LeftTriangleBar': "\u29CF",
	      'LeftTriangleEqual': "\u22B4",
	      'LeftUpDownVector': "\u2951",
	      'LeftUpTeeVector': "\u2960",
	      'LeftUpVector': "\u21BF",
	      'LeftUpVectorBar': "\u2958",
	      'LeftVector': "\u21BC",
	      'LeftVectorBar': "\u2952",
	      'leg': "\u22DA",
	      'lEg': "\u2A8B",
	      'leq': "\u2264",
	      'leqq': "\u2266",
	      'leqslant': "\u2A7D",
	      'les': "\u2A7D",
	      'lescc': "\u2AA8",
	      'lesdot': "\u2A7F",
	      'lesdoto': "\u2A81",
	      'lesdotor': "\u2A83",
	      'lesg': "\u22DA\uFE00",
	      'lesges': "\u2A93",
	      'lessapprox': "\u2A85",
	      'lessdot': "\u22D6",
	      'lesseqgtr': "\u22DA",
	      'lesseqqgtr': "\u2A8B",
	      'LessEqualGreater': "\u22DA",
	      'LessFullEqual': "\u2266",
	      'LessGreater': "\u2276",
	      'lessgtr': "\u2276",
	      'LessLess': "\u2AA1",
	      'lesssim': "\u2272",
	      'LessSlantEqual': "\u2A7D",
	      'LessTilde': "\u2272",
	      'lfisht': "\u297C",
	      'lfloor': "\u230A",
	      'lfr': "\uD835\uDD29",
	      'Lfr': "\uD835\uDD0F",
	      'lg': "\u2276",
	      'lgE': "\u2A91",
	      'lHar': "\u2962",
	      'lhard': "\u21BD",
	      'lharu': "\u21BC",
	      'lharul': "\u296A",
	      'lhblk': "\u2584",
	      'ljcy': "\u0459",
	      'LJcy': "\u0409",
	      'll': "\u226A",
	      'Ll': "\u22D8",
	      'llarr': "\u21C7",
	      'llcorner': "\u231E",
	      'Lleftarrow': "\u21DA",
	      'llhard': "\u296B",
	      'lltri': "\u25FA",
	      'lmidot': "\u0140",
	      'Lmidot': "\u013F",
	      'lmoust': "\u23B0",
	      'lmoustache': "\u23B0",
	      'lnap': "\u2A89",
	      'lnapprox': "\u2A89",
	      'lne': "\u2A87",
	      'lnE': "\u2268",
	      'lneq': "\u2A87",
	      'lneqq': "\u2268",
	      'lnsim': "\u22E6",
	      'loang': "\u27EC",
	      'loarr': "\u21FD",
	      'lobrk': "\u27E6",
	      'longleftarrow': "\u27F5",
	      'Longleftarrow': "\u27F8",
	      'LongLeftArrow': "\u27F5",
	      'longleftrightarrow': "\u27F7",
	      'Longleftrightarrow': "\u27FA",
	      'LongLeftRightArrow': "\u27F7",
	      'longmapsto': "\u27FC",
	      'longrightarrow': "\u27F6",
	      'Longrightarrow': "\u27F9",
	      'LongRightArrow': "\u27F6",
	      'looparrowleft': "\u21AB",
	      'looparrowright': "\u21AC",
	      'lopar': "\u2985",
	      'lopf': "\uD835\uDD5D",
	      'Lopf': "\uD835\uDD43",
	      'loplus': "\u2A2D",
	      'lotimes': "\u2A34",
	      'lowast': "\u2217",
	      'lowbar': '_',
	      'LowerLeftArrow': "\u2199",
	      'LowerRightArrow': "\u2198",
	      'loz': "\u25CA",
	      'lozenge': "\u25CA",
	      'lozf': "\u29EB",
	      'lpar': '(',
	      'lparlt': "\u2993",
	      'lrarr': "\u21C6",
	      'lrcorner': "\u231F",
	      'lrhar': "\u21CB",
	      'lrhard': "\u296D",
	      'lrm': "\u200E",
	      'lrtri': "\u22BF",
	      'lsaquo': "\u2039",
	      'lscr': "\uD835\uDCC1",
	      'Lscr': "\u2112",
	      'lsh': "\u21B0",
	      'Lsh': "\u21B0",
	      'lsim': "\u2272",
	      'lsime': "\u2A8D",
	      'lsimg': "\u2A8F",
	      'lsqb': '[',
	      'lsquo': "\u2018",
	      'lsquor': "\u201A",
	      'lstrok': "\u0142",
	      'Lstrok': "\u0141",
	      'lt': '<',
	      'Lt': "\u226A",
	      'LT': '<',
	      'ltcc': "\u2AA6",
	      'ltcir': "\u2A79",
	      'ltdot': "\u22D6",
	      'lthree': "\u22CB",
	      'ltimes': "\u22C9",
	      'ltlarr': "\u2976",
	      'ltquest': "\u2A7B",
	      'ltri': "\u25C3",
	      'ltrie': "\u22B4",
	      'ltrif': "\u25C2",
	      'ltrPar': "\u2996",
	      'lurdshar': "\u294A",
	      'luruhar': "\u2966",
	      'lvertneqq': "\u2268\uFE00",
	      'lvnE': "\u2268\uFE00",
	      'macr': '\xAF',
	      'male': "\u2642",
	      'malt': "\u2720",
	      'maltese': "\u2720",
	      'map': "\u21A6",
	      'Map': "\u2905",
	      'mapsto': "\u21A6",
	      'mapstodown': "\u21A7",
	      'mapstoleft': "\u21A4",
	      'mapstoup': "\u21A5",
	      'marker': "\u25AE",
	      'mcomma': "\u2A29",
	      'mcy': "\u043C",
	      'Mcy': "\u041C",
	      'mdash': "\u2014",
	      'mDDot': "\u223A",
	      'measuredangle': "\u2221",
	      'MediumSpace': "\u205F",
	      'Mellintrf': "\u2133",
	      'mfr': "\uD835\uDD2A",
	      'Mfr': "\uD835\uDD10",
	      'mho': "\u2127",
	      'micro': '\xB5',
	      'mid': "\u2223",
	      'midast': '*',
	      'midcir': "\u2AF0",
	      'middot': '\xB7',
	      'minus': "\u2212",
	      'minusb': "\u229F",
	      'minusd': "\u2238",
	      'minusdu': "\u2A2A",
	      'MinusPlus': "\u2213",
	      'mlcp': "\u2ADB",
	      'mldr': "\u2026",
	      'mnplus': "\u2213",
	      'models': "\u22A7",
	      'mopf': "\uD835\uDD5E",
	      'Mopf': "\uD835\uDD44",
	      'mp': "\u2213",
	      'mscr': "\uD835\uDCC2",
	      'Mscr': "\u2133",
	      'mstpos': "\u223E",
	      'mu': "\u03BC",
	      'Mu': "\u039C",
	      'multimap': "\u22B8",
	      'mumap': "\u22B8",
	      'nabla': "\u2207",
	      'nacute': "\u0144",
	      'Nacute': "\u0143",
	      'nang': "\u2220\u20D2",
	      'nap': "\u2249",
	      'napE': "\u2A70\u0338",
	      'napid': "\u224B\u0338",
	      'napos': "\u0149",
	      'napprox': "\u2249",
	      'natur': "\u266E",
	      'natural': "\u266E",
	      'naturals': "\u2115",
	      'nbsp': '\xA0',
	      'nbump': "\u224E\u0338",
	      'nbumpe': "\u224F\u0338",
	      'ncap': "\u2A43",
	      'ncaron': "\u0148",
	      'Ncaron': "\u0147",
	      'ncedil': "\u0146",
	      'Ncedil': "\u0145",
	      'ncong': "\u2247",
	      'ncongdot': "\u2A6D\u0338",
	      'ncup': "\u2A42",
	      'ncy': "\u043D",
	      'Ncy': "\u041D",
	      'ndash': "\u2013",
	      'ne': "\u2260",
	      'nearhk': "\u2924",
	      'nearr': "\u2197",
	      'neArr': "\u21D7",
	      'nearrow': "\u2197",
	      'nedot': "\u2250\u0338",
	      'NegativeMediumSpace': "\u200B",
	      'NegativeThickSpace': "\u200B",
	      'NegativeThinSpace': "\u200B",
	      'NegativeVeryThinSpace': "\u200B",
	      'nequiv': "\u2262",
	      'nesear': "\u2928",
	      'nesim': "\u2242\u0338",
	      'NestedGreaterGreater': "\u226B",
	      'NestedLessLess': "\u226A",
	      'NewLine': '\n',
	      'nexist': "\u2204",
	      'nexists': "\u2204",
	      'nfr': "\uD835\uDD2B",
	      'Nfr': "\uD835\uDD11",
	      'nge': "\u2271",
	      'ngE': "\u2267\u0338",
	      'ngeq': "\u2271",
	      'ngeqq': "\u2267\u0338",
	      'ngeqslant': "\u2A7E\u0338",
	      'nges': "\u2A7E\u0338",
	      'nGg': "\u22D9\u0338",
	      'ngsim': "\u2275",
	      'ngt': "\u226F",
	      'nGt': "\u226B\u20D2",
	      'ngtr': "\u226F",
	      'nGtv': "\u226B\u0338",
	      'nharr': "\u21AE",
	      'nhArr': "\u21CE",
	      'nhpar': "\u2AF2",
	      'ni': "\u220B",
	      'nis': "\u22FC",
	      'nisd': "\u22FA",
	      'niv': "\u220B",
	      'njcy': "\u045A",
	      'NJcy': "\u040A",
	      'nlarr': "\u219A",
	      'nlArr': "\u21CD",
	      'nldr': "\u2025",
	      'nle': "\u2270",
	      'nlE': "\u2266\u0338",
	      'nleftarrow': "\u219A",
	      'nLeftarrow': "\u21CD",
	      'nleftrightarrow': "\u21AE",
	      'nLeftrightarrow': "\u21CE",
	      'nleq': "\u2270",
	      'nleqq': "\u2266\u0338",
	      'nleqslant': "\u2A7D\u0338",
	      'nles': "\u2A7D\u0338",
	      'nless': "\u226E",
	      'nLl': "\u22D8\u0338",
	      'nlsim': "\u2274",
	      'nlt': "\u226E",
	      'nLt': "\u226A\u20D2",
	      'nltri': "\u22EA",
	      'nltrie': "\u22EC",
	      'nLtv': "\u226A\u0338",
	      'nmid': "\u2224",
	      'NoBreak': "\u2060",
	      'NonBreakingSpace': '\xA0',
	      'nopf': "\uD835\uDD5F",
	      'Nopf': "\u2115",
	      'not': '\xAC',
	      'Not': "\u2AEC",
	      'NotCongruent': "\u2262",
	      'NotCupCap': "\u226D",
	      'NotDoubleVerticalBar': "\u2226",
	      'NotElement': "\u2209",
	      'NotEqual': "\u2260",
	      'NotEqualTilde': "\u2242\u0338",
	      'NotExists': "\u2204",
	      'NotGreater': "\u226F",
	      'NotGreaterEqual': "\u2271",
	      'NotGreaterFullEqual': "\u2267\u0338",
	      'NotGreaterGreater': "\u226B\u0338",
	      'NotGreaterLess': "\u2279",
	      'NotGreaterSlantEqual': "\u2A7E\u0338",
	      'NotGreaterTilde': "\u2275",
	      'NotHumpDownHump': "\u224E\u0338",
	      'NotHumpEqual': "\u224F\u0338",
	      'notin': "\u2209",
	      'notindot': "\u22F5\u0338",
	      'notinE': "\u22F9\u0338",
	      'notinva': "\u2209",
	      'notinvb': "\u22F7",
	      'notinvc': "\u22F6",
	      'NotLeftTriangle': "\u22EA",
	      'NotLeftTriangleBar': "\u29CF\u0338",
	      'NotLeftTriangleEqual': "\u22EC",
	      'NotLess': "\u226E",
	      'NotLessEqual': "\u2270",
	      'NotLessGreater': "\u2278",
	      'NotLessLess': "\u226A\u0338",
	      'NotLessSlantEqual': "\u2A7D\u0338",
	      'NotLessTilde': "\u2274",
	      'NotNestedGreaterGreater': "\u2AA2\u0338",
	      'NotNestedLessLess': "\u2AA1\u0338",
	      'notni': "\u220C",
	      'notniva': "\u220C",
	      'notnivb': "\u22FE",
	      'notnivc': "\u22FD",
	      'NotPrecedes': "\u2280",
	      'NotPrecedesEqual': "\u2AAF\u0338",
	      'NotPrecedesSlantEqual': "\u22E0",
	      'NotReverseElement': "\u220C",
	      'NotRightTriangle': "\u22EB",
	      'NotRightTriangleBar': "\u29D0\u0338",
	      'NotRightTriangleEqual': "\u22ED",
	      'NotSquareSubset': "\u228F\u0338",
	      'NotSquareSubsetEqual': "\u22E2",
	      'NotSquareSuperset': "\u2290\u0338",
	      'NotSquareSupersetEqual': "\u22E3",
	      'NotSubset': "\u2282\u20D2",
	      'NotSubsetEqual': "\u2288",
	      'NotSucceeds': "\u2281",
	      'NotSucceedsEqual': "\u2AB0\u0338",
	      'NotSucceedsSlantEqual': "\u22E1",
	      'NotSucceedsTilde': "\u227F\u0338",
	      'NotSuperset': "\u2283\u20D2",
	      'NotSupersetEqual': "\u2289",
	      'NotTilde': "\u2241",
	      'NotTildeEqual': "\u2244",
	      'NotTildeFullEqual': "\u2247",
	      'NotTildeTilde': "\u2249",
	      'NotVerticalBar': "\u2224",
	      'npar': "\u2226",
	      'nparallel': "\u2226",
	      'nparsl': "\u2AFD\u20E5",
	      'npart': "\u2202\u0338",
	      'npolint': "\u2A14",
	      'npr': "\u2280",
	      'nprcue': "\u22E0",
	      'npre': "\u2AAF\u0338",
	      'nprec': "\u2280",
	      'npreceq': "\u2AAF\u0338",
	      'nrarr': "\u219B",
	      'nrArr': "\u21CF",
	      'nrarrc': "\u2933\u0338",
	      'nrarrw': "\u219D\u0338",
	      'nrightarrow': "\u219B",
	      'nRightarrow': "\u21CF",
	      'nrtri': "\u22EB",
	      'nrtrie': "\u22ED",
	      'nsc': "\u2281",
	      'nsccue': "\u22E1",
	      'nsce': "\u2AB0\u0338",
	      'nscr': "\uD835\uDCC3",
	      'Nscr': "\uD835\uDCA9",
	      'nshortmid': "\u2224",
	      'nshortparallel': "\u2226",
	      'nsim': "\u2241",
	      'nsime': "\u2244",
	      'nsimeq': "\u2244",
	      'nsmid': "\u2224",
	      'nspar': "\u2226",
	      'nsqsube': "\u22E2",
	      'nsqsupe': "\u22E3",
	      'nsub': "\u2284",
	      'nsube': "\u2288",
	      'nsubE': "\u2AC5\u0338",
	      'nsubset': "\u2282\u20D2",
	      'nsubseteq': "\u2288",
	      'nsubseteqq': "\u2AC5\u0338",
	      'nsucc': "\u2281",
	      'nsucceq': "\u2AB0\u0338",
	      'nsup': "\u2285",
	      'nsupe': "\u2289",
	      'nsupE': "\u2AC6\u0338",
	      'nsupset': "\u2283\u20D2",
	      'nsupseteq': "\u2289",
	      'nsupseteqq': "\u2AC6\u0338",
	      'ntgl': "\u2279",
	      'ntilde': '\xF1',
	      'Ntilde': '\xD1',
	      'ntlg': "\u2278",
	      'ntriangleleft': "\u22EA",
	      'ntrianglelefteq': "\u22EC",
	      'ntriangleright': "\u22EB",
	      'ntrianglerighteq': "\u22ED",
	      'nu': "\u03BD",
	      'Nu': "\u039D",
	      'num': '#',
	      'numero': "\u2116",
	      'numsp': "\u2007",
	      'nvap': "\u224D\u20D2",
	      'nvdash': "\u22AC",
	      'nvDash': "\u22AD",
	      'nVdash': "\u22AE",
	      'nVDash': "\u22AF",
	      'nvge': "\u2265\u20D2",
	      'nvgt': ">\u20D2",
	      'nvHarr': "\u2904",
	      'nvinfin': "\u29DE",
	      'nvlArr': "\u2902",
	      'nvle': "\u2264\u20D2",
	      'nvlt': "<\u20D2",
	      'nvltrie': "\u22B4\u20D2",
	      'nvrArr': "\u2903",
	      'nvrtrie': "\u22B5\u20D2",
	      'nvsim': "\u223C\u20D2",
	      'nwarhk': "\u2923",
	      'nwarr': "\u2196",
	      'nwArr': "\u21D6",
	      'nwarrow': "\u2196",
	      'nwnear': "\u2927",
	      'oacute': '\xF3',
	      'Oacute': '\xD3',
	      'oast': "\u229B",
	      'ocir': "\u229A",
	      'ocirc': '\xF4',
	      'Ocirc': '\xD4',
	      'ocy': "\u043E",
	      'Ocy': "\u041E",
	      'odash': "\u229D",
	      'odblac': "\u0151",
	      'Odblac': "\u0150",
	      'odiv': "\u2A38",
	      'odot': "\u2299",
	      'odsold': "\u29BC",
	      'oelig': "\u0153",
	      'OElig': "\u0152",
	      'ofcir': "\u29BF",
	      'ofr': "\uD835\uDD2C",
	      'Ofr': "\uD835\uDD12",
	      'ogon': "\u02DB",
	      'ograve': '\xF2',
	      'Ograve': '\xD2',
	      'ogt': "\u29C1",
	      'ohbar': "\u29B5",
	      'ohm': "\u03A9",
	      'oint': "\u222E",
	      'olarr': "\u21BA",
	      'olcir': "\u29BE",
	      'olcross': "\u29BB",
	      'oline': "\u203E",
	      'olt': "\u29C0",
	      'omacr': "\u014D",
	      'Omacr': "\u014C",
	      'omega': "\u03C9",
	      'Omega': "\u03A9",
	      'omicron': "\u03BF",
	      'Omicron': "\u039F",
	      'omid': "\u29B6",
	      'ominus': "\u2296",
	      'oopf': "\uD835\uDD60",
	      'Oopf': "\uD835\uDD46",
	      'opar': "\u29B7",
	      'OpenCurlyDoubleQuote': "\u201C",
	      'OpenCurlyQuote': "\u2018",
	      'operp': "\u29B9",
	      'oplus': "\u2295",
	      'or': "\u2228",
	      'Or': "\u2A54",
	      'orarr': "\u21BB",
	      'ord': "\u2A5D",
	      'order': "\u2134",
	      'orderof': "\u2134",
	      'ordf': '\xAA',
	      'ordm': '\xBA',
	      'origof': "\u22B6",
	      'oror': "\u2A56",
	      'orslope': "\u2A57",
	      'orv': "\u2A5B",
	      'oS': "\u24C8",
	      'oscr': "\u2134",
	      'Oscr': "\uD835\uDCAA",
	      'oslash': '\xF8',
	      'Oslash': '\xD8',
	      'osol': "\u2298",
	      'otilde': '\xF5',
	      'Otilde': '\xD5',
	      'otimes': "\u2297",
	      'Otimes': "\u2A37",
	      'otimesas': "\u2A36",
	      'ouml': '\xF6',
	      'Ouml': '\xD6',
	      'ovbar': "\u233D",
	      'OverBar': "\u203E",
	      'OverBrace': "\u23DE",
	      'OverBracket': "\u23B4",
	      'OverParenthesis': "\u23DC",
	      'par': "\u2225",
	      'para': '\xB6',
	      'parallel': "\u2225",
	      'parsim': "\u2AF3",
	      'parsl': "\u2AFD",
	      'part': "\u2202",
	      'PartialD': "\u2202",
	      'pcy': "\u043F",
	      'Pcy': "\u041F",
	      'percnt': '%',
	      'period': '.',
	      'permil': "\u2030",
	      'perp': "\u22A5",
	      'pertenk': "\u2031",
	      'pfr': "\uD835\uDD2D",
	      'Pfr': "\uD835\uDD13",
	      'phi': "\u03C6",
	      'Phi': "\u03A6",
	      'phiv': "\u03D5",
	      'phmmat': "\u2133",
	      'phone': "\u260E",
	      'pi': "\u03C0",
	      'Pi': "\u03A0",
	      'pitchfork': "\u22D4",
	      'piv': "\u03D6",
	      'planck': "\u210F",
	      'planckh': "\u210E",
	      'plankv': "\u210F",
	      'plus': '+',
	      'plusacir': "\u2A23",
	      'plusb': "\u229E",
	      'pluscir': "\u2A22",
	      'plusdo': "\u2214",
	      'plusdu': "\u2A25",
	      'pluse': "\u2A72",
	      'PlusMinus': '\xB1',
	      'plusmn': '\xB1',
	      'plussim': "\u2A26",
	      'plustwo': "\u2A27",
	      'pm': '\xB1',
	      'Poincareplane': "\u210C",
	      'pointint': "\u2A15",
	      'popf': "\uD835\uDD61",
	      'Popf': "\u2119",
	      'pound': '\xA3',
	      'pr': "\u227A",
	      'Pr': "\u2ABB",
	      'prap': "\u2AB7",
	      'prcue': "\u227C",
	      'pre': "\u2AAF",
	      'prE': "\u2AB3",
	      'prec': "\u227A",
	      'precapprox': "\u2AB7",
	      'preccurlyeq': "\u227C",
	      'Precedes': "\u227A",
	      'PrecedesEqual': "\u2AAF",
	      'PrecedesSlantEqual': "\u227C",
	      'PrecedesTilde': "\u227E",
	      'preceq': "\u2AAF",
	      'precnapprox': "\u2AB9",
	      'precneqq': "\u2AB5",
	      'precnsim': "\u22E8",
	      'precsim': "\u227E",
	      'prime': "\u2032",
	      'Prime': "\u2033",
	      'primes': "\u2119",
	      'prnap': "\u2AB9",
	      'prnE': "\u2AB5",
	      'prnsim': "\u22E8",
	      'prod': "\u220F",
	      'Product': "\u220F",
	      'profalar': "\u232E",
	      'profline': "\u2312",
	      'profsurf': "\u2313",
	      'prop': "\u221D",
	      'Proportion': "\u2237",
	      'Proportional': "\u221D",
	      'propto': "\u221D",
	      'prsim': "\u227E",
	      'prurel': "\u22B0",
	      'pscr': "\uD835\uDCC5",
	      'Pscr': "\uD835\uDCAB",
	      'psi': "\u03C8",
	      'Psi': "\u03A8",
	      'puncsp': "\u2008",
	      'qfr': "\uD835\uDD2E",
	      'Qfr': "\uD835\uDD14",
	      'qint': "\u2A0C",
	      'qopf': "\uD835\uDD62",
	      'Qopf': "\u211A",
	      'qprime': "\u2057",
	      'qscr': "\uD835\uDCC6",
	      'Qscr': "\uD835\uDCAC",
	      'quaternions': "\u210D",
	      'quatint': "\u2A16",
	      'quest': '?',
	      'questeq': "\u225F",
	      'quot': '"',
	      'QUOT': '"',
	      'rAarr': "\u21DB",
	      'race': "\u223D\u0331",
	      'racute': "\u0155",
	      'Racute': "\u0154",
	      'radic': "\u221A",
	      'raemptyv': "\u29B3",
	      'rang': "\u27E9",
	      'Rang': "\u27EB",
	      'rangd': "\u2992",
	      'range': "\u29A5",
	      'rangle': "\u27E9",
	      'raquo': '\xBB',
	      'rarr': "\u2192",
	      'rArr': "\u21D2",
	      'Rarr': "\u21A0",
	      'rarrap': "\u2975",
	      'rarrb': "\u21E5",
	      'rarrbfs': "\u2920",
	      'rarrc': "\u2933",
	      'rarrfs': "\u291E",
	      'rarrhk': "\u21AA",
	      'rarrlp': "\u21AC",
	      'rarrpl': "\u2945",
	      'rarrsim': "\u2974",
	      'rarrtl': "\u21A3",
	      'Rarrtl': "\u2916",
	      'rarrw': "\u219D",
	      'ratail': "\u291A",
	      'rAtail': "\u291C",
	      'ratio': "\u2236",
	      'rationals': "\u211A",
	      'rbarr': "\u290D",
	      'rBarr': "\u290F",
	      'RBarr': "\u2910",
	      'rbbrk': "\u2773",
	      'rbrace': '}',
	      'rbrack': ']',
	      'rbrke': "\u298C",
	      'rbrksld': "\u298E",
	      'rbrkslu': "\u2990",
	      'rcaron': "\u0159",
	      'Rcaron': "\u0158",
	      'rcedil': "\u0157",
	      'Rcedil': "\u0156",
	      'rceil': "\u2309",
	      'rcub': '}',
	      'rcy': "\u0440",
	      'Rcy': "\u0420",
	      'rdca': "\u2937",
	      'rdldhar': "\u2969",
	      'rdquo': "\u201D",
	      'rdquor': "\u201D",
	      'rdsh': "\u21B3",
	      'Re': "\u211C",
	      'real': "\u211C",
	      'realine': "\u211B",
	      'realpart': "\u211C",
	      'reals': "\u211D",
	      'rect': "\u25AD",
	      'reg': '\xAE',
	      'REG': '\xAE',
	      'ReverseElement': "\u220B",
	      'ReverseEquilibrium': "\u21CB",
	      'ReverseUpEquilibrium': "\u296F",
	      'rfisht': "\u297D",
	      'rfloor': "\u230B",
	      'rfr': "\uD835\uDD2F",
	      'Rfr': "\u211C",
	      'rHar': "\u2964",
	      'rhard': "\u21C1",
	      'rharu': "\u21C0",
	      'rharul': "\u296C",
	      'rho': "\u03C1",
	      'Rho': "\u03A1",
	      'rhov': "\u03F1",
	      'RightAngleBracket': "\u27E9",
	      'rightarrow': "\u2192",
	      'Rightarrow': "\u21D2",
	      'RightArrow': "\u2192",
	      'RightArrowBar': "\u21E5",
	      'RightArrowLeftArrow': "\u21C4",
	      'rightarrowtail': "\u21A3",
	      'RightCeiling': "\u2309",
	      'RightDoubleBracket': "\u27E7",
	      'RightDownTeeVector': "\u295D",
	      'RightDownVector': "\u21C2",
	      'RightDownVectorBar': "\u2955",
	      'RightFloor': "\u230B",
	      'rightharpoondown': "\u21C1",
	      'rightharpoonup': "\u21C0",
	      'rightleftarrows': "\u21C4",
	      'rightleftharpoons': "\u21CC",
	      'rightrightarrows': "\u21C9",
	      'rightsquigarrow': "\u219D",
	      'RightTee': "\u22A2",
	      'RightTeeArrow': "\u21A6",
	      'RightTeeVector': "\u295B",
	      'rightthreetimes': "\u22CC",
	      'RightTriangle': "\u22B3",
	      'RightTriangleBar': "\u29D0",
	      'RightTriangleEqual': "\u22B5",
	      'RightUpDownVector': "\u294F",
	      'RightUpTeeVector': "\u295C",
	      'RightUpVector': "\u21BE",
	      'RightUpVectorBar': "\u2954",
	      'RightVector': "\u21C0",
	      'RightVectorBar': "\u2953",
	      'ring': "\u02DA",
	      'risingdotseq': "\u2253",
	      'rlarr': "\u21C4",
	      'rlhar': "\u21CC",
	      'rlm': "\u200F",
	      'rmoust': "\u23B1",
	      'rmoustache': "\u23B1",
	      'rnmid': "\u2AEE",
	      'roang': "\u27ED",
	      'roarr': "\u21FE",
	      'robrk': "\u27E7",
	      'ropar': "\u2986",
	      'ropf': "\uD835\uDD63",
	      'Ropf': "\u211D",
	      'roplus': "\u2A2E",
	      'rotimes': "\u2A35",
	      'RoundImplies': "\u2970",
	      'rpar': ')',
	      'rpargt': "\u2994",
	      'rppolint': "\u2A12",
	      'rrarr': "\u21C9",
	      'Rrightarrow': "\u21DB",
	      'rsaquo': "\u203A",
	      'rscr': "\uD835\uDCC7",
	      'Rscr': "\u211B",
	      'rsh': "\u21B1",
	      'Rsh': "\u21B1",
	      'rsqb': ']',
	      'rsquo': "\u2019",
	      'rsquor': "\u2019",
	      'rthree': "\u22CC",
	      'rtimes': "\u22CA",
	      'rtri': "\u25B9",
	      'rtrie': "\u22B5",
	      'rtrif': "\u25B8",
	      'rtriltri': "\u29CE",
	      'RuleDelayed': "\u29F4",
	      'ruluhar': "\u2968",
	      'rx': "\u211E",
	      'sacute': "\u015B",
	      'Sacute': "\u015A",
	      'sbquo': "\u201A",
	      'sc': "\u227B",
	      'Sc': "\u2ABC",
	      'scap': "\u2AB8",
	      'scaron': "\u0161",
	      'Scaron': "\u0160",
	      'sccue': "\u227D",
	      'sce': "\u2AB0",
	      'scE': "\u2AB4",
	      'scedil': "\u015F",
	      'Scedil': "\u015E",
	      'scirc': "\u015D",
	      'Scirc': "\u015C",
	      'scnap': "\u2ABA",
	      'scnE': "\u2AB6",
	      'scnsim': "\u22E9",
	      'scpolint': "\u2A13",
	      'scsim': "\u227F",
	      'scy': "\u0441",
	      'Scy': "\u0421",
	      'sdot': "\u22C5",
	      'sdotb': "\u22A1",
	      'sdote': "\u2A66",
	      'searhk': "\u2925",
	      'searr': "\u2198",
	      'seArr': "\u21D8",
	      'searrow': "\u2198",
	      'sect': '\xA7',
	      'semi': ';',
	      'seswar': "\u2929",
	      'setminus': "\u2216",
	      'setmn': "\u2216",
	      'sext': "\u2736",
	      'sfr': "\uD835\uDD30",
	      'Sfr': "\uD835\uDD16",
	      'sfrown': "\u2322",
	      'sharp': "\u266F",
	      'shchcy': "\u0449",
	      'SHCHcy': "\u0429",
	      'shcy': "\u0448",
	      'SHcy': "\u0428",
	      'ShortDownArrow': "\u2193",
	      'ShortLeftArrow': "\u2190",
	      'shortmid': "\u2223",
	      'shortparallel': "\u2225",
	      'ShortRightArrow': "\u2192",
	      'ShortUpArrow': "\u2191",
	      'shy': '\xAD',
	      'sigma': "\u03C3",
	      'Sigma': "\u03A3",
	      'sigmaf': "\u03C2",
	      'sigmav': "\u03C2",
	      'sim': "\u223C",
	      'simdot': "\u2A6A",
	      'sime': "\u2243",
	      'simeq': "\u2243",
	      'simg': "\u2A9E",
	      'simgE': "\u2AA0",
	      'siml': "\u2A9D",
	      'simlE': "\u2A9F",
	      'simne': "\u2246",
	      'simplus': "\u2A24",
	      'simrarr': "\u2972",
	      'slarr': "\u2190",
	      'SmallCircle': "\u2218",
	      'smallsetminus': "\u2216",
	      'smashp': "\u2A33",
	      'smeparsl': "\u29E4",
	      'smid': "\u2223",
	      'smile': "\u2323",
	      'smt': "\u2AAA",
	      'smte': "\u2AAC",
	      'smtes': "\u2AAC\uFE00",
	      'softcy': "\u044C",
	      'SOFTcy': "\u042C",
	      'sol': '/',
	      'solb': "\u29C4",
	      'solbar': "\u233F",
	      'sopf': "\uD835\uDD64",
	      'Sopf': "\uD835\uDD4A",
	      'spades': "\u2660",
	      'spadesuit': "\u2660",
	      'spar': "\u2225",
	      'sqcap': "\u2293",
	      'sqcaps': "\u2293\uFE00",
	      'sqcup': "\u2294",
	      'sqcups': "\u2294\uFE00",
	      'Sqrt': "\u221A",
	      'sqsub': "\u228F",
	      'sqsube': "\u2291",
	      'sqsubset': "\u228F",
	      'sqsubseteq': "\u2291",
	      'sqsup': "\u2290",
	      'sqsupe': "\u2292",
	      'sqsupset': "\u2290",
	      'sqsupseteq': "\u2292",
	      'squ': "\u25A1",
	      'square': "\u25A1",
	      'Square': "\u25A1",
	      'SquareIntersection': "\u2293",
	      'SquareSubset': "\u228F",
	      'SquareSubsetEqual': "\u2291",
	      'SquareSuperset': "\u2290",
	      'SquareSupersetEqual': "\u2292",
	      'SquareUnion': "\u2294",
	      'squarf': "\u25AA",
	      'squf': "\u25AA",
	      'srarr': "\u2192",
	      'sscr': "\uD835\uDCC8",
	      'Sscr': "\uD835\uDCAE",
	      'ssetmn': "\u2216",
	      'ssmile': "\u2323",
	      'sstarf': "\u22C6",
	      'star': "\u2606",
	      'Star': "\u22C6",
	      'starf': "\u2605",
	      'straightepsilon': "\u03F5",
	      'straightphi': "\u03D5",
	      'strns': '\xAF',
	      'sub': "\u2282",
	      'Sub': "\u22D0",
	      'subdot': "\u2ABD",
	      'sube': "\u2286",
	      'subE': "\u2AC5",
	      'subedot': "\u2AC3",
	      'submult': "\u2AC1",
	      'subne': "\u228A",
	      'subnE': "\u2ACB",
	      'subplus': "\u2ABF",
	      'subrarr': "\u2979",
	      'subset': "\u2282",
	      'Subset': "\u22D0",
	      'subseteq': "\u2286",
	      'subseteqq': "\u2AC5",
	      'SubsetEqual': "\u2286",
	      'subsetneq': "\u228A",
	      'subsetneqq': "\u2ACB",
	      'subsim': "\u2AC7",
	      'subsub': "\u2AD5",
	      'subsup': "\u2AD3",
	      'succ': "\u227B",
	      'succapprox': "\u2AB8",
	      'succcurlyeq': "\u227D",
	      'Succeeds': "\u227B",
	      'SucceedsEqual': "\u2AB0",
	      'SucceedsSlantEqual': "\u227D",
	      'SucceedsTilde': "\u227F",
	      'succeq': "\u2AB0",
	      'succnapprox': "\u2ABA",
	      'succneqq': "\u2AB6",
	      'succnsim': "\u22E9",
	      'succsim': "\u227F",
	      'SuchThat': "\u220B",
	      'sum': "\u2211",
	      'Sum': "\u2211",
	      'sung': "\u266A",
	      'sup': "\u2283",
	      'Sup': "\u22D1",
	      'sup1': '\xB9',
	      'sup2': '\xB2',
	      'sup3': '\xB3',
	      'supdot': "\u2ABE",
	      'supdsub': "\u2AD8",
	      'supe': "\u2287",
	      'supE': "\u2AC6",
	      'supedot': "\u2AC4",
	      'Superset': "\u2283",
	      'SupersetEqual': "\u2287",
	      'suphsol': "\u27C9",
	      'suphsub': "\u2AD7",
	      'suplarr': "\u297B",
	      'supmult': "\u2AC2",
	      'supne': "\u228B",
	      'supnE': "\u2ACC",
	      'supplus': "\u2AC0",
	      'supset': "\u2283",
	      'Supset': "\u22D1",
	      'supseteq': "\u2287",
	      'supseteqq': "\u2AC6",
	      'supsetneq': "\u228B",
	      'supsetneqq': "\u2ACC",
	      'supsim': "\u2AC8",
	      'supsub': "\u2AD4",
	      'supsup': "\u2AD6",
	      'swarhk': "\u2926",
	      'swarr': "\u2199",
	      'swArr': "\u21D9",
	      'swarrow': "\u2199",
	      'swnwar': "\u292A",
	      'szlig': '\xDF',
	      'Tab': '\t',
	      'target': "\u2316",
	      'tau': "\u03C4",
	      'Tau': "\u03A4",
	      'tbrk': "\u23B4",
	      'tcaron': "\u0165",
	      'Tcaron': "\u0164",
	      'tcedil': "\u0163",
	      'Tcedil': "\u0162",
	      'tcy': "\u0442",
	      'Tcy': "\u0422",
	      'tdot': "\u20DB",
	      'telrec': "\u2315",
	      'tfr': "\uD835\uDD31",
	      'Tfr': "\uD835\uDD17",
	      'there4': "\u2234",
	      'therefore': "\u2234",
	      'Therefore': "\u2234",
	      'theta': "\u03B8",
	      'Theta': "\u0398",
	      'thetasym': "\u03D1",
	      'thetav': "\u03D1",
	      'thickapprox': "\u2248",
	      'thicksim': "\u223C",
	      'ThickSpace': "\u205F\u200A",
	      'thinsp': "\u2009",
	      'ThinSpace': "\u2009",
	      'thkap': "\u2248",
	      'thksim': "\u223C",
	      'thorn': '\xFE',
	      'THORN': '\xDE',
	      'tilde': "\u02DC",
	      'Tilde': "\u223C",
	      'TildeEqual': "\u2243",
	      'TildeFullEqual': "\u2245",
	      'TildeTilde': "\u2248",
	      'times': '\xD7',
	      'timesb': "\u22A0",
	      'timesbar': "\u2A31",
	      'timesd': "\u2A30",
	      'tint': "\u222D",
	      'toea': "\u2928",
	      'top': "\u22A4",
	      'topbot': "\u2336",
	      'topcir': "\u2AF1",
	      'topf': "\uD835\uDD65",
	      'Topf': "\uD835\uDD4B",
	      'topfork': "\u2ADA",
	      'tosa': "\u2929",
	      'tprime': "\u2034",
	      'trade': "\u2122",
	      'TRADE': "\u2122",
	      'triangle': "\u25B5",
	      'triangledown': "\u25BF",
	      'triangleleft': "\u25C3",
	      'trianglelefteq': "\u22B4",
	      'triangleq': "\u225C",
	      'triangleright': "\u25B9",
	      'trianglerighteq': "\u22B5",
	      'tridot': "\u25EC",
	      'trie': "\u225C",
	      'triminus': "\u2A3A",
	      'TripleDot': "\u20DB",
	      'triplus': "\u2A39",
	      'trisb': "\u29CD",
	      'tritime': "\u2A3B",
	      'trpezium': "\u23E2",
	      'tscr': "\uD835\uDCC9",
	      'Tscr': "\uD835\uDCAF",
	      'tscy': "\u0446",
	      'TScy': "\u0426",
	      'tshcy': "\u045B",
	      'TSHcy': "\u040B",
	      'tstrok': "\u0167",
	      'Tstrok': "\u0166",
	      'twixt': "\u226C",
	      'twoheadleftarrow': "\u219E",
	      'twoheadrightarrow': "\u21A0",
	      'uacute': '\xFA',
	      'Uacute': '\xDA',
	      'uarr': "\u2191",
	      'uArr': "\u21D1",
	      'Uarr': "\u219F",
	      'Uarrocir': "\u2949",
	      'ubrcy': "\u045E",
	      'Ubrcy': "\u040E",
	      'ubreve': "\u016D",
	      'Ubreve': "\u016C",
	      'ucirc': '\xFB',
	      'Ucirc': '\xDB',
	      'ucy': "\u0443",
	      'Ucy': "\u0423",
	      'udarr': "\u21C5",
	      'udblac': "\u0171",
	      'Udblac': "\u0170",
	      'udhar': "\u296E",
	      'ufisht': "\u297E",
	      'ufr': "\uD835\uDD32",
	      'Ufr': "\uD835\uDD18",
	      'ugrave': '\xF9',
	      'Ugrave': '\xD9',
	      'uHar': "\u2963",
	      'uharl': "\u21BF",
	      'uharr': "\u21BE",
	      'uhblk': "\u2580",
	      'ulcorn': "\u231C",
	      'ulcorner': "\u231C",
	      'ulcrop': "\u230F",
	      'ultri': "\u25F8",
	      'umacr': "\u016B",
	      'Umacr': "\u016A",
	      'uml': '\xA8',
	      'UnderBar': '_',
	      'UnderBrace': "\u23DF",
	      'UnderBracket': "\u23B5",
	      'UnderParenthesis': "\u23DD",
	      'Union': "\u22C3",
	      'UnionPlus': "\u228E",
	      'uogon': "\u0173",
	      'Uogon': "\u0172",
	      'uopf': "\uD835\uDD66",
	      'Uopf': "\uD835\uDD4C",
	      'uparrow': "\u2191",
	      'Uparrow': "\u21D1",
	      'UpArrow': "\u2191",
	      'UpArrowBar': "\u2912",
	      'UpArrowDownArrow': "\u21C5",
	      'updownarrow': "\u2195",
	      'Updownarrow': "\u21D5",
	      'UpDownArrow': "\u2195",
	      'UpEquilibrium': "\u296E",
	      'upharpoonleft': "\u21BF",
	      'upharpoonright': "\u21BE",
	      'uplus': "\u228E",
	      'UpperLeftArrow': "\u2196",
	      'UpperRightArrow': "\u2197",
	      'upsi': "\u03C5",
	      'Upsi': "\u03D2",
	      'upsih': "\u03D2",
	      'upsilon': "\u03C5",
	      'Upsilon': "\u03A5",
	      'UpTee': "\u22A5",
	      'UpTeeArrow': "\u21A5",
	      'upuparrows': "\u21C8",
	      'urcorn': "\u231D",
	      'urcorner': "\u231D",
	      'urcrop': "\u230E",
	      'uring': "\u016F",
	      'Uring': "\u016E",
	      'urtri': "\u25F9",
	      'uscr': "\uD835\uDCCA",
	      'Uscr': "\uD835\uDCB0",
	      'utdot': "\u22F0",
	      'utilde': "\u0169",
	      'Utilde': "\u0168",
	      'utri': "\u25B5",
	      'utrif': "\u25B4",
	      'uuarr': "\u21C8",
	      'uuml': '\xFC',
	      'Uuml': '\xDC',
	      'uwangle': "\u29A7",
	      'vangrt': "\u299C",
	      'varepsilon': "\u03F5",
	      'varkappa': "\u03F0",
	      'varnothing': "\u2205",
	      'varphi': "\u03D5",
	      'varpi': "\u03D6",
	      'varpropto': "\u221D",
	      'varr': "\u2195",
	      'vArr': "\u21D5",
	      'varrho': "\u03F1",
	      'varsigma': "\u03C2",
	      'varsubsetneq': "\u228A\uFE00",
	      'varsubsetneqq': "\u2ACB\uFE00",
	      'varsupsetneq': "\u228B\uFE00",
	      'varsupsetneqq': "\u2ACC\uFE00",
	      'vartheta': "\u03D1",
	      'vartriangleleft': "\u22B2",
	      'vartriangleright': "\u22B3",
	      'vBar': "\u2AE8",
	      'Vbar': "\u2AEB",
	      'vBarv': "\u2AE9",
	      'vcy': "\u0432",
	      'Vcy': "\u0412",
	      'vdash': "\u22A2",
	      'vDash': "\u22A8",
	      'Vdash': "\u22A9",
	      'VDash': "\u22AB",
	      'Vdashl': "\u2AE6",
	      'vee': "\u2228",
	      'Vee': "\u22C1",
	      'veebar': "\u22BB",
	      'veeeq': "\u225A",
	      'vellip': "\u22EE",
	      'verbar': '|',
	      'Verbar': "\u2016",
	      'vert': '|',
	      'Vert': "\u2016",
	      'VerticalBar': "\u2223",
	      'VerticalLine': '|',
	      'VerticalSeparator': "\u2758",
	      'VerticalTilde': "\u2240",
	      'VeryThinSpace': "\u200A",
	      'vfr': "\uD835\uDD33",
	      'Vfr': "\uD835\uDD19",
	      'vltri': "\u22B2",
	      'vnsub': "\u2282\u20D2",
	      'vnsup': "\u2283\u20D2",
	      'vopf': "\uD835\uDD67",
	      'Vopf': "\uD835\uDD4D",
	      'vprop': "\u221D",
	      'vrtri': "\u22B3",
	      'vscr': "\uD835\uDCCB",
	      'Vscr': "\uD835\uDCB1",
	      'vsubne': "\u228A\uFE00",
	      'vsubnE': "\u2ACB\uFE00",
	      'vsupne': "\u228B\uFE00",
	      'vsupnE': "\u2ACC\uFE00",
	      'Vvdash': "\u22AA",
	      'vzigzag': "\u299A",
	      'wcirc': "\u0175",
	      'Wcirc': "\u0174",
	      'wedbar': "\u2A5F",
	      'wedge': "\u2227",
	      'Wedge': "\u22C0",
	      'wedgeq': "\u2259",
	      'weierp': "\u2118",
	      'wfr': "\uD835\uDD34",
	      'Wfr': "\uD835\uDD1A",
	      'wopf': "\uD835\uDD68",
	      'Wopf': "\uD835\uDD4E",
	      'wp': "\u2118",
	      'wr': "\u2240",
	      'wreath': "\u2240",
	      'wscr': "\uD835\uDCCC",
	      'Wscr': "\uD835\uDCB2",
	      'xcap': "\u22C2",
	      'xcirc': "\u25EF",
	      'xcup': "\u22C3",
	      'xdtri': "\u25BD",
	      'xfr': "\uD835\uDD35",
	      'Xfr': "\uD835\uDD1B",
	      'xharr': "\u27F7",
	      'xhArr': "\u27FA",
	      'xi': "\u03BE",
	      'Xi': "\u039E",
	      'xlarr': "\u27F5",
	      'xlArr': "\u27F8",
	      'xmap': "\u27FC",
	      'xnis': "\u22FB",
	      'xodot': "\u2A00",
	      'xopf': "\uD835\uDD69",
	      'Xopf': "\uD835\uDD4F",
	      'xoplus': "\u2A01",
	      'xotime': "\u2A02",
	      'xrarr': "\u27F6",
	      'xrArr': "\u27F9",
	      'xscr': "\uD835\uDCCD",
	      'Xscr': "\uD835\uDCB3",
	      'xsqcup': "\u2A06",
	      'xuplus': "\u2A04",
	      'xutri': "\u25B3",
	      'xvee': "\u22C1",
	      'xwedge': "\u22C0",
	      'yacute': '\xFD',
	      'Yacute': '\xDD',
	      'yacy': "\u044F",
	      'YAcy': "\u042F",
	      'ycirc': "\u0177",
	      'Ycirc': "\u0176",
	      'ycy': "\u044B",
	      'Ycy': "\u042B",
	      'yen': '\xA5',
	      'yfr': "\uD835\uDD36",
	      'Yfr': "\uD835\uDD1C",
	      'yicy': "\u0457",
	      'YIcy': "\u0407",
	      'yopf': "\uD835\uDD6A",
	      'Yopf': "\uD835\uDD50",
	      'yscr': "\uD835\uDCCE",
	      'Yscr': "\uD835\uDCB4",
	      'yucy': "\u044E",
	      'YUcy': "\u042E",
	      'yuml': '\xFF',
	      'Yuml': "\u0178",
	      'zacute': "\u017A",
	      'Zacute': "\u0179",
	      'zcaron': "\u017E",
	      'Zcaron': "\u017D",
	      'zcy': "\u0437",
	      'Zcy': "\u0417",
	      'zdot': "\u017C",
	      'Zdot': "\u017B",
	      'zeetrf': "\u2128",
	      'ZeroWidthSpace': "\u200B",
	      'zeta': "\u03B6",
	      'Zeta': "\u0396",
	      'zfr': "\uD835\uDD37",
	      'Zfr': "\u2128",
	      'zhcy': "\u0436",
	      'ZHcy': "\u0416",
	      'zigrarr': "\u21DD",
	      'zopf': "\uD835\uDD6B",
	      'Zopf': "\u2124",
	      'zscr': "\uD835\uDCCF",
	      'Zscr': "\uD835\uDCB5",
	      'zwj': "\u200D",
	      'zwnj': "\u200C"
	    };
	    var decodeMapLegacy = {
	      'aacute': '\xE1',
	      'Aacute': '\xC1',
	      'acirc': '\xE2',
	      'Acirc': '\xC2',
	      'acute': '\xB4',
	      'aelig': '\xE6',
	      'AElig': '\xC6',
	      'agrave': '\xE0',
	      'Agrave': '\xC0',
	      'amp': '&',
	      'AMP': '&',
	      'aring': '\xE5',
	      'Aring': '\xC5',
	      'atilde': '\xE3',
	      'Atilde': '\xC3',
	      'auml': '\xE4',
	      'Auml': '\xC4',
	      'brvbar': '\xA6',
	      'ccedil': '\xE7',
	      'Ccedil': '\xC7',
	      'cedil': '\xB8',
	      'cent': '\xA2',
	      'copy': '\xA9',
	      'COPY': '\xA9',
	      'curren': '\xA4',
	      'deg': '\xB0',
	      'divide': '\xF7',
	      'eacute': '\xE9',
	      'Eacute': '\xC9',
	      'ecirc': '\xEA',
	      'Ecirc': '\xCA',
	      'egrave': '\xE8',
	      'Egrave': '\xC8',
	      'eth': '\xF0',
	      'ETH': '\xD0',
	      'euml': '\xEB',
	      'Euml': '\xCB',
	      'frac12': '\xBD',
	      'frac14': '\xBC',
	      'frac34': '\xBE',
	      'gt': '>',
	      'GT': '>',
	      'iacute': '\xED',
	      'Iacute': '\xCD',
	      'icirc': '\xEE',
	      'Icirc': '\xCE',
	      'iexcl': '\xA1',
	      'igrave': '\xEC',
	      'Igrave': '\xCC',
	      'iquest': '\xBF',
	      'iuml': '\xEF',
	      'Iuml': '\xCF',
	      'laquo': '\xAB',
	      'lt': '<',
	      'LT': '<',
	      'macr': '\xAF',
	      'micro': '\xB5',
	      'middot': '\xB7',
	      'nbsp': '\xA0',
	      'not': '\xAC',
	      'ntilde': '\xF1',
	      'Ntilde': '\xD1',
	      'oacute': '\xF3',
	      'Oacute': '\xD3',
	      'ocirc': '\xF4',
	      'Ocirc': '\xD4',
	      'ograve': '\xF2',
	      'Ograve': '\xD2',
	      'ordf': '\xAA',
	      'ordm': '\xBA',
	      'oslash': '\xF8',
	      'Oslash': '\xD8',
	      'otilde': '\xF5',
	      'Otilde': '\xD5',
	      'ouml': '\xF6',
	      'Ouml': '\xD6',
	      'para': '\xB6',
	      'plusmn': '\xB1',
	      'pound': '\xA3',
	      'quot': '"',
	      'QUOT': '"',
	      'raquo': '\xBB',
	      'reg': '\xAE',
	      'REG': '\xAE',
	      'sect': '\xA7',
	      'shy': '\xAD',
	      'sup1': '\xB9',
	      'sup2': '\xB2',
	      'sup3': '\xB3',
	      'szlig': '\xDF',
	      'thorn': '\xFE',
	      'THORN': '\xDE',
	      'times': '\xD7',
	      'uacute': '\xFA',
	      'Uacute': '\xDA',
	      'ucirc': '\xFB',
	      'Ucirc': '\xDB',
	      'ugrave': '\xF9',
	      'Ugrave': '\xD9',
	      'uml': '\xA8',
	      'uuml': '\xFC',
	      'Uuml': '\xDC',
	      'yacute': '\xFD',
	      'Yacute': '\xDD',
	      'yen': '\xA5',
	      'yuml': '\xFF'
	    };
	    var decodeMapNumeric = {
	      '0': "\uFFFD",
	      '128': "\u20AC",
	      '130': "\u201A",
	      '131': "\u0192",
	      '132': "\u201E",
	      '133': "\u2026",
	      '134': "\u2020",
	      '135': "\u2021",
	      '136': "\u02C6",
	      '137': "\u2030",
	      '138': "\u0160",
	      '139': "\u2039",
	      '140': "\u0152",
	      '142': "\u017D",
	      '145': "\u2018",
	      '146': "\u2019",
	      '147': "\u201C",
	      '148': "\u201D",
	      '149': "\u2022",
	      '150': "\u2013",
	      '151': "\u2014",
	      '152': "\u02DC",
	      '153': "\u2122",
	      '154': "\u0161",
	      '155': "\u203A",
	      '156': "\u0153",
	      '158': "\u017E",
	      '159': "\u0178"
	    };
	    var invalidReferenceCodePoints = [1, 2, 3, 4, 5, 6, 7, 8, 11, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 127, 128, 129, 130, 131, 132, 133, 134, 135, 136, 137, 138, 139, 140, 141, 142, 143, 144, 145, 146, 147, 148, 149, 150, 151, 152, 153, 154, 155, 156, 157, 158, 159, 64976, 64977, 64978, 64979, 64980, 64981, 64982, 64983, 64984, 64985, 64986, 64987, 64988, 64989, 64990, 64991, 64992, 64993, 64994, 64995, 64996, 64997, 64998, 64999, 65000, 65001, 65002, 65003, 65004, 65005, 65006, 65007, 65534, 65535, 131070, 131071, 196606, 196607, 262142, 262143, 327678, 327679, 393214, 393215, 458750, 458751, 524286, 524287, 589822, 589823, 655358, 655359, 720894, 720895, 786430, 786431, 851966, 851967, 917502, 917503, 983038, 983039, 1048574, 1048575, 1114110, 1114111];
	    /*--------------------------------------------------------------------------*/

	    var stringFromCharCode = String.fromCharCode;
	    var object = {};
	    var hasOwnProperty = object.hasOwnProperty;

	    var has = function has(object, propertyName) {
	      return hasOwnProperty.call(object, propertyName);
	    };

	    var contains = function contains(array, value) {
	      var index = -1;
	      var length = array.length;

	      while (++index < length) {
	        if (array[index] == value) {
	          return true;
	        }
	      }

	      return false;
	    };

	    var merge = function merge(options, defaults) {
	      if (!options) {
	        return defaults;
	      }

	      var result = {};
	      var key;

	      for (key in defaults) {
	        // A `hasOwnProperty` check is not needed here, since only recognized
	        // option names are used anyway. Any others are ignored.
	        result[key] = has(options, key) ? options[key] : defaults[key];
	      }

	      return result;
	    }; // Modified version of `ucs2encode`; see https://mths.be/punycode.


	    var codePointToSymbol = function codePointToSymbol(codePoint, strict) {
	      var output = '';

	      if (codePoint >= 0xD800 && codePoint <= 0xDFFF || codePoint > 0x10FFFF) {
	        // See issue #4:
	        // “Otherwise, if the number is in the range 0xD800 to 0xDFFF or is
	        // greater than 0x10FFFF, then this is a parse error. Return a U+FFFD
	        // REPLACEMENT CHARACTER.”
	        if (strict) {
	          parseError('character reference outside the permissible Unicode range');
	        }

	        return "\uFFFD";
	      }

	      if (has(decodeMapNumeric, codePoint)) {
	        if (strict) {
	          parseError('disallowed character reference');
	        }

	        return decodeMapNumeric[codePoint];
	      }

	      if (strict && contains(invalidReferenceCodePoints, codePoint)) {
	        parseError('disallowed character reference');
	      }

	      if (codePoint > 0xFFFF) {
	        codePoint -= 0x10000;
	        output += stringFromCharCode(codePoint >>> 10 & 0x3FF | 0xD800);
	        codePoint = 0xDC00 | codePoint & 0x3FF;
	      }

	      output += stringFromCharCode(codePoint);
	      return output;
	    };

	    var hexEscape = function hexEscape(codePoint) {
	      return '&#x' + codePoint.toString(16).toUpperCase() + ';';
	    };

	    var decEscape = function decEscape(codePoint) {
	      return '&#' + codePoint + ';';
	    };

	    var parseError = function parseError(message) {
	      throw Error('Parse error: ' + message);
	    };
	    /*--------------------------------------------------------------------------*/


	    var encode = function encode(string, options) {
	      options = merge(options, encode.options);
	      var strict = options.strict;

	      if (strict && regexInvalidRawCodePoint.test(string)) {
	        parseError('forbidden code point');
	      }

	      var encodeEverything = options.encodeEverything;
	      var useNamedReferences = options.useNamedReferences;
	      var allowUnsafeSymbols = options.allowUnsafeSymbols;
	      var escapeCodePoint = options.decimal ? decEscape : hexEscape;

	      var escapeBmpSymbol = function escapeBmpSymbol(symbol) {
	        return escapeCodePoint(symbol.charCodeAt(0));
	      };

	      if (encodeEverything) {
	        // Encode ASCII symbols.
	        string = string.replace(regexAsciiWhitelist, function (symbol) {
	          // Use named references if requested & possible.
	          if (useNamedReferences && has(encodeMap, symbol)) {
	            return '&' + encodeMap[symbol] + ';';
	          }

	          return escapeBmpSymbol(symbol);
	        }); // Shorten a few escapes that represent two symbols, of which at least one
	        // is within the ASCII range.

	        if (useNamedReferences) {
	          string = string.replace(/&gt;\u20D2/g, '&nvgt;').replace(/&lt;\u20D2/g, '&nvlt;').replace(/&#x66;&#x6A;/g, '&fjlig;');
	        } // Encode non-ASCII symbols.


	        if (useNamedReferences) {
	          // Encode non-ASCII symbols that can be replaced with a named reference.
	          string = string.replace(regexEncodeNonAscii, function (string) {
	            // Note: there is no need to check `has(encodeMap, string)` here.
	            return '&' + encodeMap[string] + ';';
	          });
	        } // Note: any remaining non-ASCII symbols are handled outside of the `if`.

	      } else if (useNamedReferences) {
	        // Apply named character references.
	        // Encode `<>"'&` using named character references.
	        if (!allowUnsafeSymbols) {
	          string = string.replace(regexEscape, function (string) {
	            return '&' + encodeMap[string] + ';'; // no need to check `has()` here
	          });
	        } // Shorten escapes that represent two symbols, of which at least one is
	        // `<>"'&`.


	        string = string.replace(/&gt;\u20D2/g, '&nvgt;').replace(/&lt;\u20D2/g, '&nvlt;'); // Encode non-ASCII symbols that can be replaced with a named reference.

	        string = string.replace(regexEncodeNonAscii, function (string) {
	          // Note: there is no need to check `has(encodeMap, string)` here.
	          return '&' + encodeMap[string] + ';';
	        });
	      } else if (!allowUnsafeSymbols) {
	        // Encode `<>"'&` using hexadecimal escapes, now that they’re not handled
	        // using named character references.
	        string = string.replace(regexEscape, escapeBmpSymbol);
	      }

	      return string // Encode astral symbols.
	      .replace(regexAstralSymbols, function ($0) {
	        // https://mathiasbynens.be/notes/javascript-encoding#surrogate-formulae
	        var high = $0.charCodeAt(0);
	        var low = $0.charCodeAt(1);
	        var codePoint = (high - 0xD800) * 0x400 + low - 0xDC00 + 0x10000;
	        return escapeCodePoint(codePoint);
	      }) // Encode any remaining BMP symbols that are not printable ASCII symbols
	      // using a hexadecimal escape.
	      .replace(regexBmpWhitelist, escapeBmpSymbol);
	    }; // Expose default options (so they can be overridden globally).


	    encode.options = {
	      'allowUnsafeSymbols': false,
	      'encodeEverything': false,
	      'strict': false,
	      'useNamedReferences': false,
	      'decimal': false
	    };

	    var decode = function decode(html, options) {
	      options = merge(options, decode.options);
	      var strict = options.strict;

	      if (strict && regexInvalidEntity.test(html)) {
	        parseError('malformed character reference');
	      }

	      return html.replace(regexDecode, function ($0, $1, $2, $3, $4, $5, $6, $7, $8) {
	        var codePoint;
	        var semicolon;
	        var decDigits;
	        var hexDigits;
	        var reference;
	        var next;

	        if ($1) {
	          reference = $1; // Note: there is no need to check `has(decodeMap, reference)`.

	          return decodeMap[reference];
	        }

	        if ($2) {
	          // Decode named character references without trailing `;`, e.g. `&amp`.
	          // This is only a parse error if it gets converted to `&`, or if it is
	          // followed by `=` in an attribute context.
	          reference = $2;
	          next = $3;

	          if (next && options.isAttributeValue) {
	            if (strict && next == '=') {
	              parseError('`&` did not start a character reference');
	            }

	            return $0;
	          } else {
	            if (strict) {
	              parseError('named character reference was not terminated by a semicolon');
	            } // Note: there is no need to check `has(decodeMapLegacy, reference)`.


	            return decodeMapLegacy[reference] + (next || '');
	          }
	        }

	        if ($4) {
	          // Decode decimal escapes, e.g. `&#119558;`.
	          decDigits = $4;
	          semicolon = $5;

	          if (strict && !semicolon) {
	            parseError('character reference was not terminated by a semicolon');
	          }

	          codePoint = parseInt(decDigits, 10);
	          return codePointToSymbol(codePoint, strict);
	        }

	        if ($6) {
	          // Decode hexadecimal escapes, e.g. `&#x1D306;`.
	          hexDigits = $6;
	          semicolon = $7;

	          if (strict && !semicolon) {
	            parseError('character reference was not terminated by a semicolon');
	          }

	          codePoint = parseInt(hexDigits, 16);
	          return codePointToSymbol(codePoint, strict);
	        } // If we’re still here, `if ($7)` is implied; it’s an ambiguous
	        // ampersand for sure. https://mths.be/notes/ambiguous-ampersands


	        if (strict) {
	          parseError('named character reference was not terminated by a semicolon');
	        }

	        return $0;
	      });
	    }; // Expose default options (so they can be overridden globally).


	    decode.options = {
	      'isAttributeValue': false,
	      'strict': false
	    };

	    var escape = function escape(string) {
	      return string.replace(regexEscape, function ($0) {
	        // Note: there is no need to check `has(escapeMap, $0)` here.
	        return escapeMap[$0];
	      });
	    };
	    /*--------------------------------------------------------------------------*/


	    var he = {
	      'version': '1.2.0',
	      'encode': encode,
	      'decode': decode,
	      'escape': escape,
	      'unescape': decode
	    }; // Some AMD build optimizers, like r.js, check for specific condition patterns
	    // like the following:

	    if (freeExports && !freeExports.nodeType) {
	      if (freeModule) {
	        // in Node.js, io.js, or RingoJS v0.8.0+
	        freeModule.exports = he;
	      } else {
	        // in Narwhal or RingoJS v0.7.0-
	        for (var key in he) {
	          has(he, key) && (freeExports[key] = he[key]);
	        }
	      }
	    } else {
	      // in Rhino or a web browser
	      root.he = he;
	    }
	  })(commonjsGlobal);
	});

	var format$1 = util.format;
	/**
	 * Contains error codes, factory functions to create throwable error objects,
	 * and warning/deprecation functions.
	 * @module
	 */

	/**
	 * process.emitWarning or a polyfill
	 * @see https://nodejs.org/api/process.html#process_process_emitwarning_warning_options
	 * @ignore
	 */

	var emitWarning$1 = function emitWarning(msg, type) {
	  if (process$1.emitWarning) {
	    process$1.emitWarning(msg, type);
	  } else {
	    nextTick(function () {
	      console.warn(type + ': ' + msg);
	    });
	  }
	};
	/**
	 * Show a deprecation warning. Each distinct message is only displayed once.
	 * Ignores empty messages.
	 *
	 * @param {string} [msg] - Warning to print
	 * @private
	 */


	var deprecate$1 = function deprecate(msg) {
	  msg = String(msg);

	  if (msg && !deprecate.cache[msg]) {
	    deprecate.cache[msg] = true;
	    emitWarning$1(msg, 'DeprecationWarning');
	  }
	};

	deprecate$1.cache = {};
	/**
	 * Show a generic warning.
	 * Ignores empty messages.
	 *
	 * @param {string} [msg] - Warning to print
	 * @private
	 */

	var warn = function warn(msg) {
	  if (msg) {
	    emitWarning$1(msg);
	  }
	};
	/**
	 * When Mocha throw exceptions (or otherwise errors), it attempts to assign a
	 * `code` property to the `Error` object, for easier handling.  These are the
	 * potential values of `code`.
	 */


	var constants = {
	  /**
	   * An unrecoverable error.
	   */
	  FATAL: 'ERR_MOCHA_FATAL',

	  /**
	   * The type of an argument to a function call is invalid
	   */
	  INVALID_ARG_TYPE: 'ERR_MOCHA_INVALID_ARG_TYPE',

	  /**
	   * The value of an argument to a function call is invalid
	   */
	  INVALID_ARG_VALUE: 'ERR_MOCHA_INVALID_ARG_VALUE',

	  /**
	   * Something was thrown, but it wasn't an `Error`
	   */
	  INVALID_EXCEPTION: 'ERR_MOCHA_INVALID_EXCEPTION',

	  /**
	   * An interface (e.g., `Mocha.interfaces`) is unknown or invalid
	   */
	  INVALID_INTERFACE: 'ERR_MOCHA_INVALID_INTERFACE',

	  /**
	   * A reporter (.e.g, `Mocha.reporters`) is unknown or invalid
	   */
	  INVALID_REPORTER: 'ERR_MOCHA_INVALID_REPORTER',

	  /**
	   * `done()` was called twice in a `Test` or `Hook` callback
	   */
	  MULTIPLE_DONE: 'ERR_MOCHA_MULTIPLE_DONE',

	  /**
	   * No files matched the pattern provided by the user
	   */
	  NO_FILES_MATCH_PATTERN: 'ERR_MOCHA_NO_FILES_MATCH_PATTERN',

	  /**
	   * Known, but unsupported behavior of some kind
	   */
	  UNSUPPORTED: 'ERR_MOCHA_UNSUPPORTED',

	  /**
	   * Invalid state transition occurring in `Mocha` instance
	   */
	  INSTANCE_ALREADY_RUNNING: 'ERR_MOCHA_INSTANCE_ALREADY_RUNNING',

	  /**
	   * Invalid state transition occurring in `Mocha` instance
	   */
	  INSTANCE_ALREADY_DISPOSED: 'ERR_MOCHA_INSTANCE_ALREADY_DISPOSED',

	  /**
	   * Use of `only()` w/ `--forbid-only` results in this error.
	   */
	  FORBIDDEN_EXCLUSIVITY: 'ERR_MOCHA_FORBIDDEN_EXCLUSIVITY',

	  /**
	   * To be thrown when a user-defined plugin implementation (e.g., `mochaHooks`) is invalid
	   */
	  INVALID_PLUGIN_IMPLEMENTATION: 'ERR_MOCHA_INVALID_PLUGIN_IMPLEMENTATION',

	  /**
	   * To be thrown when a builtin or third-party plugin definition (the _definition_ of `mochaHooks`) is invalid
	   */
	  INVALID_PLUGIN_DEFINITION: 'ERR_MOCHA_INVALID_PLUGIN_DEFINITION'
	};
	/**
	 * Creates an error object to be thrown when no files to be tested could be found using specified pattern.
	 *
	 * @public
	 * @param {string} message - Error message to be displayed.
	 * @param {string} pattern - User-specified argument value.
	 * @returns {Error} instance detailing the error condition
	 */

	function createNoFilesMatchPatternError(message, pattern) {
	  var err = new Error(message);
	  err.code = constants.NO_FILES_MATCH_PATTERN;
	  err.pattern = pattern;
	  return err;
	}
	/**
	 * Creates an error object to be thrown when the reporter specified in the options was not found.
	 *
	 * @public
	 * @param {string} message - Error message to be displayed.
	 * @param {string} reporter - User-specified reporter value.
	 * @returns {Error} instance detailing the error condition
	 */


	function createInvalidReporterError(message, reporter) {
	  var err = new TypeError(message);
	  err.code = constants.INVALID_REPORTER;
	  err.reporter = reporter;
	  return err;
	}
	/**
	 * Creates an error object to be thrown when the interface specified in the options was not found.
	 *
	 * @public
	 * @param {string} message - Error message to be displayed.
	 * @param {string} ui - User-specified interface value.
	 * @returns {Error} instance detailing the error condition
	 */


	function createInvalidInterfaceError(message, ui) {
	  var err = new Error(message);
	  err.code = constants.INVALID_INTERFACE;
	  err["interface"] = ui;
	  return err;
	}
	/**
	 * Creates an error object to be thrown when a behavior, option, or parameter is unsupported.
	 *
	 * @public
	 * @param {string} message - Error message to be displayed.
	 * @returns {Error} instance detailing the error condition
	 */


	function createUnsupportedError(message) {
	  var err = new Error(message);
	  err.code = constants.UNSUPPORTED;
	  return err;
	}
	/**
	 * Creates an error object to be thrown when an argument is missing.
	 *
	 * @public
	 * @param {string} message - Error message to be displayed.
	 * @param {string} argument - Argument name.
	 * @param {string} expected - Expected argument datatype.
	 * @returns {Error} instance detailing the error condition
	 */


	function createMissingArgumentError(message, argument, expected) {
	  return createInvalidArgumentTypeError(message, argument, expected);
	}
	/**
	 * Creates an error object to be thrown when an argument did not use the supported type
	 *
	 * @public
	 * @param {string} message - Error message to be displayed.
	 * @param {string} argument - Argument name.
	 * @param {string} expected - Expected argument datatype.
	 * @returns {Error} instance detailing the error condition
	 */


	function createInvalidArgumentTypeError(message, argument, expected) {
	  var err = new TypeError(message);
	  err.code = constants.INVALID_ARG_TYPE;
	  err.argument = argument;
	  err.expected = expected;
	  err.actual = _typeof(argument);
	  return err;
	}
	/**
	 * Creates an error object to be thrown when an argument did not use the supported value
	 *
	 * @public
	 * @param {string} message - Error message to be displayed.
	 * @param {string} argument - Argument name.
	 * @param {string} value - Argument value.
	 * @param {string} [reason] - Why value is invalid.
	 * @returns {Error} instance detailing the error condition
	 */


	function createInvalidArgumentValueError(message, argument, value, reason) {
	  var err = new TypeError(message);
	  err.code = constants.INVALID_ARG_VALUE;
	  err.argument = argument;
	  err.value = value;
	  err.reason = typeof reason !== 'undefined' ? reason : 'is invalid';
	  return err;
	}
	/**
	 * Creates an error object to be thrown when an exception was caught, but the `Error` is falsy or undefined.
	 *
	 * @public
	 * @param {string} message - Error message to be displayed.
	 * @returns {Error} instance detailing the error condition
	 */


	function createInvalidExceptionError(message, value) {
	  var err = new Error(message);
	  err.code = constants.INVALID_EXCEPTION;
	  err.valueType = _typeof(value);
	  err.value = value;
	  return err;
	}
	/**
	 * Creates an error object to be thrown when an unrecoverable error occurs.
	 *
	 * @public
	 * @param {string} message - Error message to be displayed.
	 * @returns {Error} instance detailing the error condition
	 */


	function createFatalError(message, value) {
	  var err = new Error(message);
	  err.code = constants.FATAL;
	  err.valueType = _typeof(value);
	  err.value = value;
	  return err;
	}
	/**
	 * Dynamically creates a plugin-type-specific error based on plugin type
	 * @param {string} message - Error message
	 * @param {"reporter"|"interface"} pluginType - Plugin type. Future: expand as needed
	 * @param {string} [pluginId] - Name/path of plugin, if any
	 * @throws When `pluginType` is not known
	 * @public
	 * @returns {Error}
	 */


	function createInvalidLegacyPluginError(message, pluginType, pluginId) {
	  switch (pluginType) {
	    case 'reporter':
	      return createInvalidReporterError(message, pluginId);

	    case 'interface':
	      return createInvalidInterfaceError(message, pluginId);

	    default:
	      throw new Error('unknown pluginType "' + pluginType + '"');
	  }
	}
	/**
	 * **DEPRECATED**.  Use {@link createInvalidLegacyPluginError} instead  Dynamically creates a plugin-type-specific error based on plugin type
	 * @deprecated
	 * @param {string} message - Error message
	 * @param {"reporter"|"interface"} pluginType - Plugin type. Future: expand as needed
	 * @param {string} [pluginId] - Name/path of plugin, if any
	 * @throws When `pluginType` is not known
	 * @public
	 * @returns {Error}
	 */


	function createInvalidPluginError() {
	  deprecate$1('Use createInvalidLegacyPluginError() instead');
	  return createInvalidLegacyPluginError.apply(void 0, arguments);
	}
	/**
	 * Creates an error object to be thrown when a mocha object's `run` method is executed while it is already disposed.
	 * @param {string} message The error message to be displayed.
	 * @param {boolean} cleanReferencesAfterRun the value of `cleanReferencesAfterRun`
	 * @param {Mocha} instance the mocha instance that throw this error
	 */


	function createMochaInstanceAlreadyDisposedError(message, cleanReferencesAfterRun, instance) {
	  var err = new Error(message);
	  err.code = constants.INSTANCE_ALREADY_DISPOSED;
	  err.cleanReferencesAfterRun = cleanReferencesAfterRun;
	  err.instance = instance;
	  return err;
	}
	/**
	 * Creates an error object to be thrown when a mocha object's `run` method is called while a test run is in progress.
	 * @param {string} message The error message to be displayed.
	 */


	function createMochaInstanceAlreadyRunningError(message, instance) {
	  var err = new Error(message);
	  err.code = constants.INSTANCE_ALREADY_RUNNING;
	  err.instance = instance;
	  return err;
	}
	/*
	 * Creates an error object to be thrown when done() is called multiple times in a test
	 *
	 * @public
	 * @param {Runnable} runnable - Original runnable
	 * @param {Error} [originalErr] - Original error, if any
	 * @returns {Error} instance detailing the error condition
	 */


	function createMultipleDoneError(runnable, originalErr) {
	  var title;

	  try {
	    title = format$1('<%s>', runnable.fullTitle());

	    if (runnable.parent.root) {
	      title += ' (of root suite)';
	    }
	  } catch (ignored) {
	    title = format$1('<%s> (of unknown suite)', runnable.title);
	  }

	  var message = format$1('done() called multiple times in %s %s', runnable.type ? runnable.type : 'unknown runnable', title);

	  if (runnable.file) {
	    message += format$1(' of file %s', runnable.file);
	  }

	  if (originalErr) {
	    message += format$1('; in addition, done() received error: %s', originalErr);
	  }

	  var err = new Error(message);
	  err.code = constants.MULTIPLE_DONE;
	  err.valueType = _typeof(originalErr);
	  err.value = originalErr;
	  return err;
	}
	/**
	 * Creates an error object to be thrown when `.only()` is used with
	 * `--forbid-only`.
	 * @public
	 * @param {Mocha} mocha - Mocha instance
	 * @returns {Error} Error with code {@link constants.FORBIDDEN_EXCLUSIVITY}
	 */


	function createForbiddenExclusivityError(mocha) {
	  var err = new Error(mocha.isWorker ? '`.only` is not supported in parallel mode' : '`.only` forbidden by --forbid-only');
	  err.code = constants.FORBIDDEN_EXCLUSIVITY;
	  return err;
	}
	/**
	 * Creates an error object to be thrown when a plugin definition is invalid
	 * @param {string} msg - Error message
	 * @param {PluginDefinition} [pluginDef] - Problematic plugin definition
	 * @public
	 * @returns {Error} Error with code {@link constants.INVALID_PLUGIN_DEFINITION}
	 */


	function createInvalidPluginDefinitionError(msg, pluginDef) {
	  var err = new Error(msg);
	  err.code = constants.INVALID_PLUGIN_DEFINITION;
	  err.pluginDef = pluginDef;
	  return err;
	}
	/**
	 * Creates an error object to be thrown when a plugin implementation (user code) is invalid
	 * @param {string} msg - Error message
	 * @param {Object} [opts] - Plugin definition and user-supplied implementation
	 * @param {PluginDefinition} [opts.pluginDef] - Plugin Definition
	 * @param {*} [opts.pluginImpl] - Plugin Implementation (user-supplied)
	 * @public
	 * @returns {Error} Error with code {@link constants.INVALID_PLUGIN_DEFINITION}
	 */


	function createInvalidPluginImplementationError(msg) {
	  var _ref = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {},
	      pluginDef = _ref.pluginDef,
	      pluginImpl = _ref.pluginImpl;

	  var err = new Error(msg);
	  err.code = constants.INVALID_PLUGIN_IMPLEMENTATION;
	  err.pluginDef = pluginDef;
	  err.pluginImpl = pluginImpl;
	  return err;
	}

	var errors = {
	  constants: constants,
	  createFatalError: createFatalError,
	  createForbiddenExclusivityError: createForbiddenExclusivityError,
	  createInvalidArgumentTypeError: createInvalidArgumentTypeError,
	  createInvalidArgumentValueError: createInvalidArgumentValueError,
	  createInvalidExceptionError: createInvalidExceptionError,
	  createInvalidInterfaceError: createInvalidInterfaceError,
	  createInvalidLegacyPluginError: createInvalidLegacyPluginError,
	  createInvalidPluginDefinitionError: createInvalidPluginDefinitionError,
	  createInvalidPluginError: createInvalidPluginError,
	  createInvalidPluginImplementationError: createInvalidPluginImplementationError,
	  createInvalidReporterError: createInvalidReporterError,
	  createMissingArgumentError: createMissingArgumentError,
	  createMochaInstanceAlreadyDisposedError: createMochaInstanceAlreadyDisposedError,
	  createMochaInstanceAlreadyRunningError: createMochaInstanceAlreadyRunningError,
	  createMultipleDoneError: createMultipleDoneError,
	  createNoFilesMatchPatternError: createNoFilesMatchPatternError,
	  createUnsupportedError: createUnsupportedError,
	  deprecate: deprecate$1,
	  warn: warn
	};

	var _nodeResolve_empty = {};

	var _nodeResolve_empty$1 = /*#__PURE__*/Object.freeze({
		__proto__: null,
		'default': _nodeResolve_empty
	});

	var require$$11 = getCjsExportFromNamespace(_nodeResolve_empty$1);

	var utils = createCommonjsModule(function (module, exports) {
	  /**
	   * Various utility functions used throughout Mocha's codebase.
	   * @module utils
	   */

	  /**
	   * Module dependencies.
	   */

	  var nanoid = nonSecure.nanoid;
	  var MOCHA_ID_PROP_NAME = '__mocha_id__';
	  /**
	   * Inherit the prototype methods from one constructor into another.
	   *
	   * @param {function} ctor - Constructor function which needs to inherit the
	   *     prototype.
	   * @param {function} superCtor - Constructor function to inherit prototype from.
	   * @throws {TypeError} if either constructor is null, or if super constructor
	   *     lacks a prototype.
	   */

	  exports.inherits = util.inherits;
	  /**
	   * Escape special characters in the given string of html.
	   *
	   * @private
	   * @param  {string} html
	   * @return {string}
	   */

	  exports.escape = function (html) {
	    return he.encode(String(html), {
	      useNamedReferences: false
	    });
	  };
	  /**
	   * Test if the given obj is type of string.
	   *
	   * @private
	   * @param {Object} obj
	   * @return {boolean}
	   */


	  exports.isString = function (obj) {
	    return typeof obj === 'string';
	  };
	  /**
	   * Compute a slug from the given `str`.
	   *
	   * @private
	   * @param {string} str
	   * @return {string}
	   */


	  exports.slug = function (str) {
	    return str.toLowerCase().replace(/\s+/g, '-').replace(/[^-\w]/g, '').replace(/-{2,}/g, '-');
	  };
	  /**
	   * Strip the function definition from `str`, and re-indent for pre whitespace.
	   *
	   * @param {string} str
	   * @return {string}
	   */


	  exports.clean = function (str) {
	    str = str.replace(/\r\n?|[\n\u2028\u2029]/g, '\n').replace(/^\uFEFF/, '') // (traditional)->  space/name     parameters    body     (lambda)-> parameters       body   multi-statement/single          keep body content
	    .replace(/^function(?:\s*|\s+[^(]*)\([^)]*\)\s*\{((?:.|\n)*?)\s*\}$|^\([^)]*\)\s*=>\s*(?:\{((?:.|\n)*?)\s*\}|((?:.|\n)*))$/, '$1$2$3');
	    var spaces = str.match(/^\n?( *)/)[1].length;
	    var tabs = str.match(/^\n?(\t*)/)[1].length;
	    var re = new RegExp('^\n?' + (tabs ? '\t' : ' ') + '{' + (tabs || spaces) + '}', 'gm');
	    str = str.replace(re, '');
	    return str.trim();
	  };
	  /**
	   * If a value could have properties, and has none, this function is called,
	   * which returns a string representation of the empty value.
	   *
	   * Functions w/ no properties return `'[Function]'`
	   * Arrays w/ length === 0 return `'[]'`
	   * Objects w/ no properties return `'{}'`
	   * All else: return result of `value.toString()`
	   *
	   * @private
	   * @param {*} value The value to inspect.
	   * @param {string} typeHint The type of the value
	   * @returns {string}
	   */


	  function emptyRepresentation(value, typeHint) {
	    switch (typeHint) {
	      case 'function':
	        return '[Function]';

	      case 'object':
	        return '{}';

	      case 'array':
	        return '[]';

	      default:
	        return value.toString();
	    }
	  }
	  /**
	   * Takes some variable and asks `Object.prototype.toString()` what it thinks it
	   * is.
	   *
	   * @private
	   * @see https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/toString
	   * @param {*} value The value to test.
	   * @returns {string} Computed type
	   * @example
	   * canonicalType({}) // 'object'
	   * canonicalType([]) // 'array'
	   * canonicalType(1) // 'number'
	   * canonicalType(false) // 'boolean'
	   * canonicalType(Infinity) // 'number'
	   * canonicalType(null) // 'null'
	   * canonicalType(new Date()) // 'date'
	   * canonicalType(/foo/) // 'regexp'
	   * canonicalType('type') // 'string'
	   * canonicalType(global) // 'global'
	   * canonicalType(new String('foo') // 'object'
	   * canonicalType(async function() {}) // 'asyncfunction'
	   * canonicalType(await import(name)) // 'module'
	   */


	  var canonicalType = exports.canonicalType = function canonicalType(value) {
	    if (value === undefined) {
	      return 'undefined';
	    } else if (value === null) {
	      return 'null';
	    } else if (isBuffer(value)) {
	      return 'buffer';
	    }

	    return Object.prototype.toString.call(value).replace(/^\[.+\s(.+?)]$/, '$1').toLowerCase();
	  };
	  /**
	   *
	   * Returns a general type or data structure of a variable
	   * @private
	   * @see https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures
	   * @param {*} value The value to test.
	   * @returns {string} One of undefined, boolean, number, string, bigint, symbol, object
	   * @example
	   * type({}) // 'object'
	   * type([]) // 'array'
	   * type(1) // 'number'
	   * type(false) // 'boolean'
	   * type(Infinity) // 'number'
	   * type(null) // 'null'
	   * type(new Date()) // 'object'
	   * type(/foo/) // 'object'
	   * type('type') // 'string'
	   * type(global) // 'object'
	   * type(new String('foo') // 'string'
	   */


	  exports.type = function type(value) {
	    // Null is special
	    if (value === null) return 'null';
	    var primitives = new Set(['undefined', 'boolean', 'number', 'string', 'bigint', 'symbol']);

	    var _type = _typeof(value);

	    if (_type === 'function') return _type;
	    if (primitives.has(_type)) return _type;
	    if (value instanceof String) return 'string';
	    if (value instanceof Error) return 'error';
	    if (Array.isArray(value)) return 'array';
	    return _type;
	  };
	  /**
	   * Stringify `value`. Different behavior depending on type of value:
	   *
	   * - If `value` is undefined or null, return `'[undefined]'` or `'[null]'`, respectively.
	   * - If `value` is not an object, function or array, return result of `value.toString()` wrapped in double-quotes.
	   * - If `value` is an *empty* object, function, or array, return result of function
	   *   {@link emptyRepresentation}.
	   * - If `value` has properties, call {@link exports.canonicalize} on it, then return result of
	   *   JSON.stringify().
	   *
	   * @private
	   * @see exports.type
	   * @param {*} value
	   * @return {string}
	   */


	  exports.stringify = function (value) {
	    var typeHint = canonicalType(value);

	    if (!~['object', 'array', 'function'].indexOf(typeHint)) {
	      if (typeHint === 'buffer') {
	        var json = Buffer.prototype.toJSON.call(value); // Based on the toJSON result

	        return jsonStringify(json.data && json.type ? json.data : json, 2).replace(/,(\n|$)/g, '$1');
	      } // IE7/IE8 has a bizarre String constructor; needs to be coerced
	      // into an array and back to obj.


	      if (typeHint === 'string' && _typeof(value) === 'object') {
	        value = value.split('').reduce(function (acc, _char, idx) {
	          acc[idx] = _char;
	          return acc;
	        }, {});
	        typeHint = 'object';
	      } else {
	        return jsonStringify(value);
	      }
	    }

	    for (var prop in value) {
	      if (Object.prototype.hasOwnProperty.call(value, prop)) {
	        return jsonStringify(exports.canonicalize(value, null, typeHint), 2).replace(/,(\n|$)/g, '$1');
	      }
	    }

	    return emptyRepresentation(value, typeHint);
	  };
	  /**
	   * like JSON.stringify but more sense.
	   *
	   * @private
	   * @param {Object}  object
	   * @param {number=} spaces
	   * @param {number=} depth
	   * @returns {*}
	   */


	  function jsonStringify(object, spaces, depth) {
	    if (typeof spaces === 'undefined') {
	      // primitive types
	      return _stringify(object);
	    }

	    depth = depth || 1;
	    var space = spaces * depth;
	    var str = Array.isArray(object) ? '[' : '{';
	    var end = Array.isArray(object) ? ']' : '}';
	    var length = typeof object.length === 'number' ? object.length : Object.keys(object).length; // `.repeat()` polyfill

	    function repeat(s, n) {
	      return new Array(n).join(s);
	    }

	    function _stringify(val) {
	      switch (canonicalType(val)) {
	        case 'null':
	        case 'undefined':
	          val = '[' + val + ']';
	          break;

	        case 'array':
	        case 'object':
	          val = jsonStringify(val, spaces, depth + 1);
	          break;

	        case 'boolean':
	        case 'regexp':
	        case 'symbol':
	        case 'number':
	          val = val === 0 && 1 / val === -Infinity // `-0`
	          ? '-0' : val.toString();
	          break;

	        case 'date':
	          var sDate = isNaN(val.getTime()) ? val.toString() : val.toISOString();
	          val = '[Date: ' + sDate + ']';
	          break;

	        case 'buffer':
	          var json = val.toJSON(); // Based on the toJSON result

	          json = json.data && json.type ? json.data : json;
	          val = '[Buffer: ' + jsonStringify(json, 2, depth + 1) + ']';
	          break;

	        default:
	          val = val === '[Function]' || val === '[Circular]' ? val : JSON.stringify(val);
	        // string
	      }

	      return val;
	    }

	    for (var i in object) {
	      if (!Object.prototype.hasOwnProperty.call(object, i)) {
	        continue; // not my business
	      }

	      --length;
	      str += '\n ' + repeat(' ', space) + (Array.isArray(object) ? '' : '"' + i + '": ') + // key
	      _stringify(object[i]) + ( // value
	      length ? ',' : ''); // comma
	    }

	    return str + ( // [], {}
	    str.length !== 1 ? '\n' + repeat(' ', --space) + end : end);
	  }
	  /**
	   * Return a new Thing that has the keys in sorted order. Recursive.
	   *
	   * If the Thing...
	   * - has already been seen, return string `'[Circular]'`
	   * - is `undefined`, return string `'[undefined]'`
	   * - is `null`, return value `null`
	   * - is some other primitive, return the value
	   * - is not a primitive or an `Array`, `Object`, or `Function`, return the value of the Thing's `toString()` method
	   * - is a non-empty `Array`, `Object`, or `Function`, return the result of calling this function again.
	   * - is an empty `Array`, `Object`, or `Function`, return the result of calling `emptyRepresentation()`
	   *
	   * @private
	   * @see {@link exports.stringify}
	   * @param {*} value Thing to inspect.  May or may not have properties.
	   * @param {Array} [stack=[]] Stack of seen values
	   * @param {string} [typeHint] Type hint
	   * @return {(Object|Array|Function|string|undefined)}
	   */


	  exports.canonicalize = function canonicalize(value, stack, typeHint) {
	    var canonicalizedObj;
	    /* eslint-disable no-unused-vars */

	    var prop;
	    /* eslint-enable no-unused-vars */

	    typeHint = typeHint || canonicalType(value);

	    function withStack(value, fn) {
	      stack.push(value);
	      fn();
	      stack.pop();
	    }

	    stack = stack || [];

	    if (stack.indexOf(value) !== -1) {
	      return '[Circular]';
	    }

	    switch (typeHint) {
	      case 'undefined':
	      case 'buffer':
	      case 'null':
	        canonicalizedObj = value;
	        break;

	      case 'array':
	        withStack(value, function () {
	          canonicalizedObj = value.map(function (item) {
	            return exports.canonicalize(item, stack);
	          });
	        });
	        break;

	      case 'function':
	        /* eslint-disable-next-line no-unused-vars */
	        for (prop in value) {
	          canonicalizedObj = {};
	          break;
	        }
	        /* eslint-enable guard-for-in */


	        if (!canonicalizedObj) {
	          canonicalizedObj = emptyRepresentation(value, typeHint);
	          break;
	        }

	      /* falls through */

	      case 'object':
	        canonicalizedObj = canonicalizedObj || {};
	        withStack(value, function () {
	          Object.keys(value).sort().forEach(function (key) {
	            canonicalizedObj[key] = exports.canonicalize(value[key], stack);
	          });
	        });
	        break;

	      case 'date':
	      case 'number':
	      case 'regexp':
	      case 'boolean':
	      case 'symbol':
	        canonicalizedObj = value;
	        break;

	      default:
	        canonicalizedObj = value + '';
	    }

	    return canonicalizedObj;
	  };
	  /**
	   * @summary
	   * This Filter based on `mocha-clean` module.(see: `github.com/rstacruz/mocha-clean`)
	   * @description
	   * When invoking this function you get a filter function that get the Error.stack as an input,
	   * and return a prettify output.
	   * (i.e: strip Mocha and internal node functions from stack trace).
	   * @returns {Function}
	   */


	  exports.stackTraceFilter = function () {
	    // TODO: Replace with `process.browser`
	    var is = typeof document === 'undefined' ? {
	      node: true
	    } : {
	      browser: true
	    };
	    var slash = path$1.sep;
	    var cwd;

	    if (is.node) {
	      cwd = exports.cwd() + slash;
	    } else {
	      cwd = (typeof location === 'undefined' ? window.location : location).href.replace(/\/[^/]*$/, '/');
	      slash = '/';
	    }

	    function isMochaInternal(line) {
	      return ~line.indexOf('node_modules' + slash + 'mocha' + slash) || ~line.indexOf(slash + 'mocha.js') || ~line.indexOf(slash + 'mocha.min.js');
	    }

	    function isNodeInternal(line) {
	      return ~line.indexOf('(timers.js:') || ~line.indexOf('(events.js:') || ~line.indexOf('(node.js:') || ~line.indexOf('(module.js:') || ~line.indexOf('GeneratorFunctionPrototype.next (native)') || false;
	    }

	    return function (stack) {
	      stack = stack.split('\n');
	      stack = stack.reduce(function (list, line) {
	        if (isMochaInternal(line)) {
	          return list;
	        }

	        if (is.node && isNodeInternal(line)) {
	          return list;
	        } // Clean up cwd(absolute)


	        if (/:\d+:\d+\)?$/.test(line)) {
	          line = line.replace('(' + cwd, '(');
	        }

	        list.push(line);
	        return list;
	      }, []);
	      return stack.join('\n');
	    };
	  };
	  /**
	   * Crude, but effective.
	   * @public
	   * @param {*} value
	   * @returns {boolean} Whether or not `value` is a Promise
	   */


	  exports.isPromise = function isPromise(value) {
	    return _typeof(value) === 'object' && value !== null && typeof value.then === 'function';
	  };
	  /**
	   * Clamps a numeric value to an inclusive range.
	   *
	   * @param {number} value - Value to be clamped.
	   * @param {number[]} range - Two element array specifying [min, max] range.
	   * @returns {number} clamped value
	   */


	  exports.clamp = function clamp(value, range) {
	    return Math.min(Math.max(value, range[0]), range[1]);
	  };
	  /**
	   * Single quote text by combining with undirectional ASCII quotation marks.
	   *
	   * @description
	   * Provides a simple means of markup for quoting text to be used in output.
	   * Use this to quote names of variables, methods, and packages.
	   *
	   * <samp>package 'foo' cannot be found</samp>
	   *
	   * @private
	   * @param {string} str - Value to be quoted.
	   * @returns {string} quoted value
	   * @example
	   * sQuote('n') // => 'n'
	   */


	  exports.sQuote = function (str) {
	    return "'" + str + "'";
	  };
	  /**
	   * Double quote text by combining with undirectional ASCII quotation marks.
	   *
	   * @description
	   * Provides a simple means of markup for quoting text to be used in output.
	   * Use this to quote names of datatypes, classes, pathnames, and strings.
	   *
	   * <samp>argument 'value' must be "string" or "number"</samp>
	   *
	   * @private
	   * @param {string} str - Value to be quoted.
	   * @returns {string} quoted value
	   * @example
	   * dQuote('number') // => "number"
	   */


	  exports.dQuote = function (str) {
	    return '"' + str + '"';
	  };
	  /**
	   * It's a noop.
	   * @public
	   */


	  exports.noop = function () {};
	  /**
	   * Creates a map-like object.
	   *
	   * @description
	   * A "map" is an object with no prototype, for our purposes. In some cases
	   * this would be more appropriate than a `Map`, especially if your environment
	   * doesn't support it. Recommended for use in Mocha's public APIs.
	   *
	   * @public
	   * @see {@link https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Map#Custom_and_Null_objects|MDN:Map}
	   * @see {@link https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/create#Custom_and_Null_objects|MDN:Object.create - Custom objects}
	   * @see {@link https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/assign#Custom_and_Null_objects|MDN:Object.assign}
	   * @param {...*} [obj] - Arguments to `Object.assign()`.
	   * @returns {Object} An object with no prototype, having `...obj` properties
	   */


	  exports.createMap = function (obj) {
	    return Object.assign.apply(null, [Object.create(null)].concat(Array.prototype.slice.call(arguments)));
	  };
	  /**
	   * Creates a read-only map-like object.
	   *
	   * @description
	   * This differs from {@link module:utils.createMap createMap} only in that
	   * the argument must be non-empty, because the result is frozen.
	   *
	   * @see {@link module:utils.createMap createMap}
	   * @param {...*} [obj] - Arguments to `Object.assign()`.
	   * @returns {Object} A frozen object with no prototype, having `...obj` properties
	   * @throws {TypeError} if argument is not a non-empty object.
	   */


	  exports.defineConstants = function (obj) {
	    if (canonicalType(obj) !== 'object' || !Object.keys(obj).length) {
	      throw new TypeError('Invalid argument; expected a non-empty object');
	    }

	    return Object.freeze(exports.createMap(obj));
	  };
	  /**
	   * Whether current version of Node support ES modules
	   *
	   * @description
	   * Versions prior to 10 did not support ES Modules, and version 10 has an old incompatible version of ESM.
	   * This function returns whether Node.JS has ES Module supports that is compatible with Mocha's needs,
	   * which is version >=12.11.
	   *
	   * @param {partialSupport} whether the full Node.js ESM support is available (>= 12) or just something that supports the runtime (>= 10)
	   *
	   * @returns {Boolean} whether the current version of Node.JS supports ES Modules in a way that is compatible with Mocha
	   */


	  exports.supportsEsModules = function (partialSupport) {
	    if (!exports.isBrowser() && process$1.versions && process$1.versions.node) {
	      var versionFields = process$1.versions.node.split('.');
	      var major = +versionFields[0];
	      var minor = +versionFields[1];

	      if (!partialSupport) {
	        return major >= 13 || major === 12 && minor >= 11;
	      } else {
	        return major >= 10;
	      }
	    }
	  };
	  /**
	   * Returns current working directory
	   *
	   * Wrapper around `process.cwd()` for isolation
	   * @private
	   */


	  exports.cwd = function cwd() {
	    return process$1.cwd();
	  };
	  /**
	   * Returns `true` if Mocha is running in a browser.
	   * Checks for `process.browser`.
	   * @returns {boolean}
	   * @private
	   */


	  exports.isBrowser = function isBrowser() {
	    return Boolean(browser$1);
	  };
	  /**
	   * Lookup file names at the given `path`.
	   *
	   * @description
	   * Filenames are returned in _traversal_ order by the OS/filesystem.
	   * **Make no assumption that the names will be sorted in any fashion.**
	   *
	   * @public
	   * @alias module:lib/cli.lookupFiles
	   * @param {string} filepath - Base path to start searching from.
	   * @param {string[]} [extensions=[]] - File extensions to look for.
	   * @param {boolean} [recursive=false] - Whether to recurse into subdirectories.
	   * @return {string[]} An array of paths.
	   * @throws {Error} if no files match pattern.
	   * @throws {TypeError} if `filepath` is directory and `extensions` not provided.
	   * @deprecated Moved to {@link module:lib/cli.lookupFiles}
	   */


	  exports.lookupFiles = function () {
	    if (exports.isBrowser()) {
	      throw errors.createUnsupportedError('lookupFiles() is only supported in Node.js!');
	    }

	    errors.deprecate('`lookupFiles()` in module `mocha/lib/utils` has moved to module `mocha/lib/cli` and will be removed in the next major revision of Mocha');
	    return require$$11.lookupFiles.apply(require$$11, arguments);
	  };
	  /*
	   * Casts `value` to an array; useful for optionally accepting array parameters
	   *
	   * It follows these rules, depending on `value`.  If `value` is...
	   * 1. `undefined`: return an empty Array
	   * 2. `null`: return an array with a single `null` element
	   * 3. Any other object: return the value of `Array.from()` _if_ the object is iterable
	   * 4. otherwise: return an array with a single element, `value`
	   * @param {*} value - Something to cast to an Array
	   * @returns {Array<*>}
	   */


	  exports.castArray = function castArray(value) {
	    if (value === undefined) {
	      return [];
	    }

	    if (value === null) {
	      return [null];
	    }

	    if (_typeof(value) === 'object' && (typeof value[Symbol.iterator] === 'function' || value.length !== undefined)) {
	      return Array.from(value);
	    }

	    return [value];
	  };

	  exports.constants = exports.defineConstants({
	    MOCHA_ID_PROP_NAME: MOCHA_ID_PROP_NAME
	  });
	  /**
	   * Creates a new unique identifier
	   * @returns {string} Unique identifier
	   */

	  exports.uniqueID = function () {
	    return nanoid();
	  };

	  exports.assignNewMochaID = function (obj) {
	    var id = exports.uniqueID();
	    Object.defineProperty(obj, MOCHA_ID_PROP_NAME, {
	      get: function get() {
	        return id;
	      }
	    });
	    return obj;
	  };
	  /**
	   * Retrieves a Mocha ID from an object, if present.
	   * @param {*} [obj] - Object
	   * @returns {string|void}
	   */


	  exports.getMochaID = function (obj) {
	    return obj && _typeof(obj) === 'object' ? obj[MOCHA_ID_PROP_NAME] : undefined;
	  };
	});

	// `Map` constructor
	// https://tc39.github.io/ecma262/#sec-map-objects
	var es_map = collection('Map', function (init) {
	  return function Map() { return init(this, arguments.length ? arguments[0] : undefined); };
	}, collectionStrong);

	/**
	 @module Pending
	*/

	var pending = Pending;
	/**
	 * Initialize a new `Pending` error with the given message.
	 *
	 * @param {string} message
	 */

	function Pending(message) {
	  this.message = message;
	}

	/**
	 * This is the common logic for both the Node.js and web browser
	 * implementations of `debug()`.
	 */

	function setup(env) {
	  createDebug.debug = createDebug;
	  createDebug["default"] = createDebug;
	  createDebug.coerce = coerce;
	  createDebug.disable = disable;
	  createDebug.enable = enable;
	  createDebug.enabled = enabled;
	  createDebug.humanize = ms;
	  Object.keys(env).forEach(function (key) {
	    createDebug[key] = env[key];
	  });
	  /**
	  * Active `debug` instances.
	  */

	  createDebug.instances = [];
	  /**
	  * The currently active debug mode names, and names to skip.
	  */

	  createDebug.names = [];
	  createDebug.skips = [];
	  /**
	  * Map of special "%n" handling functions, for the debug "format" argument.
	  *
	  * Valid key names are a single, lower or upper-case letter, i.e. "n" and "N".
	  */

	  createDebug.formatters = {};
	  /**
	  * Selects a color for a debug namespace
	  * @param {String} namespace The namespace string for the for the debug instance to be colored
	  * @return {Number|String} An ANSI color code for the given namespace
	  * @api private
	  */

	  function selectColor(namespace) {
	    var hash = 0;

	    for (var i = 0; i < namespace.length; i++) {
	      hash = (hash << 5) - hash + namespace.charCodeAt(i);
	      hash |= 0; // Convert to 32bit integer
	    }

	    return createDebug.colors[Math.abs(hash) % createDebug.colors.length];
	  }

	  createDebug.selectColor = selectColor;
	  /**
	  * Create a debugger with the given `namespace`.
	  *
	  * @param {String} namespace
	  * @return {Function}
	  * @api public
	  */

	  function createDebug(namespace) {
	    var prevTime;

	    function debug() {
	      for (var _len = arguments.length, args = new Array(_len), _key = 0; _key < _len; _key++) {
	        args[_key] = arguments[_key];
	      }

	      // Disabled?
	      if (!debug.enabled) {
	        return;
	      }

	      var self = debug; // Set `diff` timestamp

	      var curr = Number(new Date());
	      var ms = curr - (prevTime || curr);
	      self.diff = ms;
	      self.prev = prevTime;
	      self.curr = curr;
	      prevTime = curr;
	      args[0] = createDebug.coerce(args[0]);

	      if (typeof args[0] !== 'string') {
	        // Anything else let's inspect with %O
	        args.unshift('%O');
	      } // Apply any `formatters` transformations


	      var index = 0;
	      args[0] = args[0].replace(/%([a-zA-Z%])/g, function (match, format) {
	        // If we encounter an escaped % then don't increase the array index
	        if (match === '%%') {
	          return match;
	        }

	        index++;
	        var formatter = createDebug.formatters[format];

	        if (typeof formatter === 'function') {
	          var val = args[index];
	          match = formatter.call(self, val); // Now we need to remove `args[index]` since it's inlined in the `format`

	          args.splice(index, 1);
	          index--;
	        }

	        return match;
	      }); // Apply env-specific formatting (colors, etc.)

	      createDebug.formatArgs.call(self, args);
	      var logFn = self.log || createDebug.log;
	      logFn.apply(self, args);
	    }

	    debug.namespace = namespace;
	    debug.enabled = createDebug.enabled(namespace);
	    debug.useColors = createDebug.useColors();
	    debug.color = createDebug.selectColor(namespace);
	    debug.destroy = destroy;
	    debug.extend = extend; // Env-specific initialization logic for debug instances

	    if (typeof createDebug.init === 'function') {
	      createDebug.init(debug);
	    }

	    createDebug.instances.push(debug);
	    return debug;
	  }

	  function destroy() {
	    var index = createDebug.instances.indexOf(this);

	    if (index !== -1) {
	      createDebug.instances.splice(index, 1);
	      return true;
	    }

	    return false;
	  }

	  function extend(namespace, delimiter) {
	    var newDebug = createDebug(this.namespace + (typeof delimiter === 'undefined' ? ':' : delimiter) + namespace);
	    newDebug.log = this.log;
	    return newDebug;
	  }
	  /**
	  * Enables a debug mode by namespaces. This can include modes
	  * separated by a colon and wildcards.
	  *
	  * @param {String} namespaces
	  * @api public
	  */


	  function enable(namespaces) {
	    createDebug.save(namespaces);
	    createDebug.names = [];
	    createDebug.skips = [];
	    var i;
	    var split = (typeof namespaces === 'string' ? namespaces : '').split(/[\s,]+/);
	    var len = split.length;

	    for (i = 0; i < len; i++) {
	      if (!split[i]) {
	        // ignore empty strings
	        continue;
	      }

	      namespaces = split[i].replace(/\*/g, '.*?');

	      if (namespaces[0] === '-') {
	        createDebug.skips.push(new RegExp('^' + namespaces.substr(1) + '$'));
	      } else {
	        createDebug.names.push(new RegExp('^' + namespaces + '$'));
	      }
	    }

	    for (i = 0; i < createDebug.instances.length; i++) {
	      var instance = createDebug.instances[i];
	      instance.enabled = createDebug.enabled(instance.namespace);
	    }
	  }
	  /**
	  * Disable debug output.
	  *
	  * @return {String} namespaces
	  * @api public
	  */


	  function disable() {
	    var namespaces = [].concat(_toConsumableArray(createDebug.names.map(toNamespace)), _toConsumableArray(createDebug.skips.map(toNamespace).map(function (namespace) {
	      return '-' + namespace;
	    }))).join(',');
	    createDebug.enable('');
	    return namespaces;
	  }
	  /**
	  * Returns true if the given mode name is enabled, false otherwise.
	  *
	  * @param {String} name
	  * @return {Boolean}
	  * @api public
	  */


	  function enabled(name) {
	    if (name[name.length - 1] === '*') {
	      return true;
	    }

	    var i;
	    var len;

	    for (i = 0, len = createDebug.skips.length; i < len; i++) {
	      if (createDebug.skips[i].test(name)) {
	        return false;
	      }
	    }

	    for (i = 0, len = createDebug.names.length; i < len; i++) {
	      if (createDebug.names[i].test(name)) {
	        return true;
	      }
	    }

	    return false;
	  }
	  /**
	  * Convert regexp to namespace
	  *
	  * @param {RegExp} regxep
	  * @return {String} namespace
	  * @api private
	  */


	  function toNamespace(regexp) {
	    return regexp.toString().substring(2, regexp.toString().length - 2).replace(/\.\*\?$/, '*');
	  }
	  /**
	  * Coerce `val`.
	  *
	  * @param {Mixed} val
	  * @return {Mixed}
	  * @api private
	  */


	  function coerce(val) {
	    if (val instanceof Error) {
	      return val.stack || val.message;
	    }

	    return val;
	  }

	  createDebug.enable(createDebug.load());
	  return createDebug;
	}

	var common = setup;

	var browser$2 = createCommonjsModule(function (module, exports) {
	  /* eslint-env browser */

	  /**
	   * This is the web browser implementation of `debug()`.
	   */
	  exports.formatArgs = formatArgs;
	  exports.save = save;
	  exports.load = load;
	  exports.useColors = useColors;
	  exports.storage = localstorage();
	  /**
	   * Colors.
	   */

	  exports.colors = ['#0000CC', '#0000FF', '#0033CC', '#0033FF', '#0066CC', '#0066FF', '#0099CC', '#0099FF', '#00CC00', '#00CC33', '#00CC66', '#00CC99', '#00CCCC', '#00CCFF', '#3300CC', '#3300FF', '#3333CC', '#3333FF', '#3366CC', '#3366FF', '#3399CC', '#3399FF', '#33CC00', '#33CC33', '#33CC66', '#33CC99', '#33CCCC', '#33CCFF', '#6600CC', '#6600FF', '#6633CC', '#6633FF', '#66CC00', '#66CC33', '#9900CC', '#9900FF', '#9933CC', '#9933FF', '#99CC00', '#99CC33', '#CC0000', '#CC0033', '#CC0066', '#CC0099', '#CC00CC', '#CC00FF', '#CC3300', '#CC3333', '#CC3366', '#CC3399', '#CC33CC', '#CC33FF', '#CC6600', '#CC6633', '#CC9900', '#CC9933', '#CCCC00', '#CCCC33', '#FF0000', '#FF0033', '#FF0066', '#FF0099', '#FF00CC', '#FF00FF', '#FF3300', '#FF3333', '#FF3366', '#FF3399', '#FF33CC', '#FF33FF', '#FF6600', '#FF6633', '#FF9900', '#FF9933', '#FFCC00', '#FFCC33'];
	  /**
	   * Currently only WebKit-based Web Inspectors, Firefox >= v31,
	   * and the Firebug extension (any Firefox version) are known
	   * to support "%c" CSS customizations.
	   *
	   * TODO: add a `localStorage` variable to explicitly enable/disable colors
	   */
	  // eslint-disable-next-line complexity

	  function useColors() {
	    // NB: In an Electron preload script, document will be defined but not fully
	    // initialized. Since we know we're in Chrome, we'll just detect this case
	    // explicitly
	    if (typeof window !== 'undefined' && window.process && (window.process.type === 'renderer' || window.process.__nwjs)) {
	      return true;
	    } // Internet Explorer and Edge do not support colors.


	    if (typeof navigator !== 'undefined' && navigator.userAgent && navigator.userAgent.toLowerCase().match(/(edge|trident)\/(\d+)/)) {
	      return false;
	    } // Is webkit? http://stackoverflow.com/a/16459606/376773
	    // document is undefined in react-native: https://github.com/facebook/react-native/pull/1632


	    return typeof document !== 'undefined' && document.documentElement && document.documentElement.style && document.documentElement.style.WebkitAppearance || // Is firebug? http://stackoverflow.com/a/398120/376773
	    typeof window !== 'undefined' && window.console && (window.console.firebug || window.console.exception && window.console.table) || // Is firefox >= v31?
	    // https://developer.mozilla.org/en-US/docs/Tools/Web_Console#Styling_messages
	    typeof navigator !== 'undefined' && navigator.userAgent && navigator.userAgent.toLowerCase().match(/firefox\/(\d+)/) && parseInt(RegExp.$1, 10) >= 31 || // Double check webkit in userAgent just in case we are in a worker
	    typeof navigator !== 'undefined' && navigator.userAgent && navigator.userAgent.toLowerCase().match(/applewebkit\/(\d+)/);
	  }
	  /**
	   * Colorize log arguments if enabled.
	   *
	   * @api public
	   */


	  function formatArgs(args) {
	    args[0] = (this.useColors ? '%c' : '') + this.namespace + (this.useColors ? ' %c' : ' ') + args[0] + (this.useColors ? '%c ' : ' ') + '+' + module.exports.humanize(this.diff);

	    if (!this.useColors) {
	      return;
	    }

	    var c = 'color: ' + this.color;
	    args.splice(1, 0, c, 'color: inherit'); // The final "%c" is somewhat tricky, because there could be other
	    // arguments passed either before or after the %c, so we need to
	    // figure out the correct index to insert the CSS into

	    var index = 0;
	    var lastC = 0;
	    args[0].replace(/%[a-zA-Z%]/g, function (match) {
	      if (match === '%%') {
	        return;
	      }

	      index++;

	      if (match === '%c') {
	        // We only are interested in the *last* %c
	        // (the user may have provided their own)
	        lastC = index;
	      }
	    });
	    args.splice(lastC, 0, c);
	  }
	  /**
	   * Invokes `console.debug()` when available.
	   * No-op when `console.debug` is not a "function".
	   * If `console.debug` is not available, falls back
	   * to `console.log`.
	   *
	   * @api public
	   */


	  exports.log = console.debug || console.log || function () {};
	  /**
	   * Save `namespaces`.
	   *
	   * @param {String} namespaces
	   * @api private
	   */


	  function save(namespaces) {
	    try {
	      if (namespaces) {
	        exports.storage.setItem('debug', namespaces);
	      } else {
	        exports.storage.removeItem('debug');
	      }
	    } catch (error) {// Swallow
	      // XXX (@Qix-) should we be logging these?
	    }
	  }
	  /**
	   * Load `namespaces`.
	   *
	   * @return {String} returns the previously persisted debug modes
	   * @api private
	   */


	  function load() {
	    var r;

	    try {
	      r = exports.storage.getItem('debug');
	    } catch (error) {// Swallow
	      // XXX (@Qix-) should we be logging these?
	    } // If debug isn't set in LS, and we're in Electron, try to load $DEBUG


	    if (!r && typeof process$1 !== 'undefined' && 'env' in process$1) {
	      r = process$1.env.DEBUG;
	    }

	    return r;
	  }
	  /**
	   * Localstorage attempts to return the localstorage.
	   *
	   * This is necessary because safari throws
	   * when a user disables cookies/localstorage
	   * and you attempt to access it.
	   *
	   * @return {LocalStorage}
	   * @api private
	   */


	  function localstorage() {
	    try {
	      // TVMLKit (Apple TV JS Runtime) does not have a window object, just localStorage in the global context
	      // The Browser also has localStorage in the global context.
	      return localStorage;
	    } catch (error) {// Swallow
	      // XXX (@Qix-) should we be logging these?
	    }
	  }

	  module.exports = common(exports);
	  var formatters = module.exports.formatters;
	  /**
	   * Map %j to `JSON.stringify()`, since no Web Inspectors do that by default.
	   */

	  formatters.j = function (v) {
	    try {
	      return JSON.stringify(v);
	    } catch (error) {
	      return '[UnexpectedJSONParseError]: ' + error.message;
	    }
	  };
	});

	var EventEmitter$1 = EventEmitter.EventEmitter;
	var debug$1 = browser$2('mocha:runnable');
	var createInvalidExceptionError$1 = errors.createInvalidExceptionError;
	var createMultipleDoneError$1 = errors.createMultipleDoneError;
	/**
	 * Save timer references to avoid Sinon interfering (see GH-237).
	 * @private
	 */

	var Date$1 = commonjsGlobal.Date;
	var setTimeout$1 = commonjsGlobal.setTimeout;
	var clearTimeout$1 = commonjsGlobal.clearTimeout;
	var toString$4 = Object.prototype.toString;
	var runnable = Runnable;
	/**
	 * Initialize a new `Runnable` with the given `title` and callback `fn`.
	 *
	 * @class
	 * @extends external:EventEmitter
	 * @public
	 * @param {String} title
	 * @param {Function} fn
	 */

	function Runnable(title, fn) {
	  this.title = title;
	  this.fn = fn;
	  this.body = (fn || '').toString();
	  this.async = fn && fn.length;
	  this.sync = !this.async;
	  this._timeout = 2000;
	  this._slow = 75;
	  this._retries = -1;
	  utils.assignNewMochaID(this);
	  Object.defineProperty(this, 'id', {
	    get: function get() {
	      return utils.getMochaID(this);
	    }
	  });
	  this.reset();
	}
	/**
	 * Inherit from `EventEmitter.prototype`.
	 */


	utils.inherits(Runnable, EventEmitter$1);
	/**
	 * Resets the state initially or for a next run.
	 */

	Runnable.prototype.reset = function () {
	  this.timedOut = false;
	  this._currentRetry = 0;
	  this.pending = false;
	  delete this.state;
	  delete this.err;
	};
	/**
	 * Get current timeout value in msecs.
	 *
	 * @private
	 * @returns {number} current timeout threshold value
	 */

	/**
	 * @summary
	 * Set timeout threshold value (msecs).
	 *
	 * @description
	 * A string argument can use shorthand (e.g., "2s") and will be converted.
	 * The value will be clamped to range [<code>0</code>, <code>2^<sup>31</sup>-1</code>].
	 * If clamped value matches either range endpoint, timeouts will be disabled.
	 *
	 * @private
	 * @see {@link https://developer.mozilla.org/en-US/docs/Web/API/WindowOrWorkerGlobalScope/setTimeout#Maximum_delay_value}
	 * @param {number|string} ms - Timeout threshold value.
	 * @returns {Runnable} this
	 * @chainable
	 */


	Runnable.prototype.timeout = function (ms$1) {
	  if (!arguments.length) {
	    return this._timeout;
	  }

	  if (typeof ms$1 === 'string') {
	    ms$1 = ms(ms$1);
	  } // Clamp to range


	  var INT_MAX = Math.pow(2, 31) - 1;
	  var range = [0, INT_MAX];
	  ms$1 = utils.clamp(ms$1, range); // see #1652 for reasoning

	  if (ms$1 === range[0] || ms$1 === range[1]) {
	    this._timeout = 0;
	  } else {
	    this._timeout = ms$1;
	  }

	  debug$1('timeout %d', this._timeout);

	  if (this.timer) {
	    this.resetTimeout();
	  }

	  return this;
	};
	/**
	 * Set or get slow `ms`.
	 *
	 * @private
	 * @param {number|string} ms
	 * @return {Runnable|number} ms or Runnable instance.
	 */


	Runnable.prototype.slow = function (ms$1) {
	  if (!arguments.length || typeof ms$1 === 'undefined') {
	    return this._slow;
	  }

	  if (typeof ms$1 === 'string') {
	    ms$1 = ms(ms$1);
	  }

	  debug$1('slow %d', ms$1);
	  this._slow = ms$1;
	  return this;
	};
	/**
	 * Halt and mark as pending.
	 *
	 * @memberof Mocha.Runnable
	 * @public
	 */


	Runnable.prototype.skip = function () {
	  this.pending = true;
	  throw new pending('sync skip; aborting execution');
	};
	/**
	 * Check if this runnable or its parent suite is marked as pending.
	 *
	 * @private
	 */


	Runnable.prototype.isPending = function () {
	  return this.pending || this.parent && this.parent.isPending();
	};
	/**
	 * Return `true` if this Runnable has failed.
	 * @return {boolean}
	 * @private
	 */


	Runnable.prototype.isFailed = function () {
	  return !this.isPending() && this.state === constants$1.STATE_FAILED;
	};
	/**
	 * Return `true` if this Runnable has passed.
	 * @return {boolean}
	 * @private
	 */


	Runnable.prototype.isPassed = function () {
	  return !this.isPending() && this.state === constants$1.STATE_PASSED;
	};
	/**
	 * Set or get number of retries.
	 *
	 * @private
	 */


	Runnable.prototype.retries = function (n) {
	  if (!arguments.length) {
	    return this._retries;
	  }

	  this._retries = n;
	};
	/**
	 * Set or get current retry
	 *
	 * @private
	 */


	Runnable.prototype.currentRetry = function (n) {
	  if (!arguments.length) {
	    return this._currentRetry;
	  }

	  this._currentRetry = n;
	};
	/**
	 * Return the full title generated by recursively concatenating the parent's
	 * full title.
	 *
	 * @memberof Mocha.Runnable
	 * @public
	 * @return {string}
	 */


	Runnable.prototype.fullTitle = function () {
	  return this.titlePath().join(' ');
	};
	/**
	 * Return the title path generated by concatenating the parent's title path with the title.
	 *
	 * @memberof Mocha.Runnable
	 * @public
	 * @return {string}
	 */


	Runnable.prototype.titlePath = function () {
	  return this.parent.titlePath().concat([this.title]);
	};
	/**
	 * Clear the timeout.
	 *
	 * @private
	 */


	Runnable.prototype.clearTimeout = function () {
	  clearTimeout$1(this.timer);
	};
	/**
	 * Reset the timeout.
	 *
	 * @private
	 */


	Runnable.prototype.resetTimeout = function () {
	  var self = this;
	  var ms = this.timeout();

	  if (ms === 0) {
	    return;
	  }

	  this.clearTimeout();
	  this.timer = setTimeout$1(function () {
	    if (self.timeout() === 0) {
	      return;
	    }

	    self.callback(self._timeoutError(ms));
	    self.timedOut = true;
	  }, ms);
	};
	/**
	 * Set or get a list of whitelisted globals for this test run.
	 *
	 * @private
	 * @param {string[]} globals
	 */


	Runnable.prototype.globals = function (globals) {
	  if (!arguments.length) {
	    return this._allowedGlobals;
	  }

	  this._allowedGlobals = globals;
	};
	/**
	 * Run the test and invoke `fn(err)`.
	 *
	 * @param {Function} fn
	 * @private
	 */


	Runnable.prototype.run = function (fn) {
	  var self = this;
	  var start = new Date$1();
	  var ctx = this.ctx;
	  var finished;
	  var errorWasHandled = false;
	  if (this.isPending()) return fn(); // Sometimes the ctx exists, but it is not runnable

	  if (ctx && ctx.runnable) {
	    ctx.runnable(this);
	  } // called multiple times


	  function multiple(err) {
	    if (errorWasHandled) {
	      return;
	    }

	    errorWasHandled = true;
	    self.emit('error', createMultipleDoneError$1(self, err));
	  } // finished


	  function done(err) {
	    var ms = self.timeout();

	    if (self.timedOut) {
	      return;
	    }

	    if (finished) {
	      return multiple(err);
	    }

	    self.clearTimeout();
	    self.duration = new Date$1() - start;
	    finished = true;

	    if (!err && self.duration > ms && ms > 0) {
	      err = self._timeoutError(ms);
	    }

	    fn(err);
	  } // for .resetTimeout() and Runner#uncaught()


	  this.callback = done;

	  if (this.fn && typeof this.fn.call !== 'function') {
	    done(new TypeError('A runnable must be passed a function as its second argument.'));
	    return;
	  } // explicit async with `done` argument


	  if (this.async) {
	    this.resetTimeout(); // allows skip() to be used in an explicit async context

	    this.skip = function asyncSkip() {
	      this.pending = true;
	      done(); // halt execution, the uncaught handler will ignore the failure.

	      throw new pending('async skip; aborting execution');
	    };

	    try {
	      callFnAsync(this.fn);
	    } catch (err) {
	      // handles async runnables which actually run synchronously
	      errorWasHandled = true;

	      if (err instanceof pending) {
	        return; // done() is already called in this.skip()
	      } else if (this.allowUncaught) {
	        throw err;
	      }

	      done(Runnable.toValueOrError(err));
	    }

	    return;
	  } // sync or promise-returning


	  try {
	    callFn(this.fn);
	  } catch (err) {
	    errorWasHandled = true;

	    if (err instanceof pending) {
	      return done();
	    } else if (this.allowUncaught) {
	      throw err;
	    }

	    done(Runnable.toValueOrError(err));
	  }

	  function callFn(fn) {
	    var result = fn.call(ctx);

	    if (result && typeof result.then === 'function') {
	      self.resetTimeout();
	      result.then(function () {
	        done(); // Return null so libraries like bluebird do not warn about
	        // subsequently constructed Promises.

	        return null;
	      }, function (reason) {
	        done(reason || new Error('Promise rejected with no or falsy reason'));
	      });
	    } else {
	      if (self.asyncOnly) {
	        return done(new Error('--async-only option in use without declaring `done()` or returning a promise'));
	      }

	      done();
	    }
	  }

	  function callFnAsync(fn) {
	    var result = fn.call(ctx, function (err) {
	      if (err instanceof Error || toString$4.call(err) === '[object Error]') {
	        return done(err);
	      }

	      if (err) {
	        if (Object.prototype.toString.call(err) === '[object Object]') {
	          return done(new Error('done() invoked with non-Error: ' + JSON.stringify(err)));
	        }

	        return done(new Error('done() invoked with non-Error: ' + err));
	      }

	      if (result && utils.isPromise(result)) {
	        return done(new Error('Resolution method is overspecified. Specify a callback *or* return a Promise; not both.'));
	      }

	      done();
	    });
	  }
	};
	/**
	 * Instantiates a "timeout" error
	 *
	 * @param {number} ms - Timeout (in milliseconds)
	 * @returns {Error} a "timeout" error
	 * @private
	 */


	Runnable.prototype._timeoutError = function (ms) {
	  var msg = 'Timeout of ' + ms + 'ms exceeded. For async tests and hooks, ensure "done()" is called; if returning a Promise, ensure it resolves.';

	  if (this.file) {
	    msg += ' (' + this.file + ')';
	  }

	  return new Error(msg);
	};

	var constants$1 = utils.defineConstants(
	/**
	 * {@link Runnable}-related constants.
	 * @public
	 * @memberof Runnable
	 * @readonly
	 * @static
	 * @alias constants
	 * @enum {string}
	 */
	{
	  /**
	   * Value of `state` prop when a `Runnable` has failed
	   */
	  STATE_FAILED: 'failed',

	  /**
	   * Value of `state` prop when a `Runnable` has passed
	   */
	  STATE_PASSED: 'passed',

	  /**
	   * Value of `state` prop when a `Runnable` has been skipped by user
	   */
	  STATE_PENDING: 'pending'
	});
	/**
	 * Given `value`, return identity if truthy, otherwise create an "invalid exception" error and return that.
	 * @param {*} [value] - Value to return, if present
	 * @returns {*|Error} `value`, otherwise an `Error`
	 * @private
	 */

	Runnable.toValueOrError = function (value) {
	  return value || createInvalidExceptionError$1('Runnable failed with falsy or undefined exception. Please throw an Error instead.', value);
	};

	Runnable.constants = constants$1;

	var $some$1 = arrayIteration.some;



	var STRICT_METHOD$5 = arrayMethodIsStrict('some');
	var USES_TO_LENGTH$9 = arrayMethodUsesToLength('some');

	// `Array.prototype.some` method
	// https://tc39.github.io/ecma262/#sec-array.prototype.some
	_export({ target: 'Array', proto: true, forced: !STRICT_METHOD$5 || !USES_TO_LENGTH$9 }, {
	  some: function some(callbackfn /* , thisArg */) {
	    return $some$1(this, callbackfn, arguments.length > 1 ? arguments[1] : undefined);
	  }
	});

	var inherits$3 = utils.inherits,
	    constants$2 = utils.constants;
	var MOCHA_ID_PROP_NAME = constants$2.MOCHA_ID_PROP_NAME;
	/**
	 * Expose `Hook`.
	 */

	var hook = Hook;
	/**
	 * Initialize a new `Hook` with the given `title` and callback `fn`
	 *
	 * @class
	 * @extends Runnable
	 * @param {String} title
	 * @param {Function} fn
	 */

	function Hook(title, fn) {
	  runnable.call(this, title, fn);
	  this.type = 'hook';
	}
	/**
	 * Inherit from `Runnable.prototype`.
	 */


	inherits$3(Hook, runnable);
	/**
	 * Resets the state for a next run.
	 */

	Hook.prototype.reset = function () {
	  runnable.prototype.reset.call(this);
	  delete this._error;
	};
	/**
	 * Get or set the test `err`.
	 *
	 * @memberof Hook
	 * @public
	 * @param {Error} err
	 * @return {Error}
	 */


	Hook.prototype.error = function (err) {
	  if (!arguments.length) {
	    err = this._error;
	    this._error = null;
	    return err;
	  }

	  this._error = err;
	};
	/**
	 * Returns an object suitable for IPC.
	 * Functions are represented by keys beginning with `$$`.
	 * @private
	 * @returns {Object}
	 */


	Hook.prototype.serialize = function serialize() {
	  return _defineProperty({
	    $$isPending: this.isPending(),
	    $$titlePath: this.titlePath(),
	    ctx: this.ctx && this.ctx.currentTest ? {
	      currentTest: _defineProperty({
	        title: this.ctx.currentTest.title
	      }, MOCHA_ID_PROP_NAME, this.ctx.currentTest.id)
	    } : {},
	    parent: _defineProperty({}, MOCHA_ID_PROP_NAME, this.parent.id),
	    title: this.title,
	    type: this.type
	  }, MOCHA_ID_PROP_NAME, this.id);
	};

	var suite = createCommonjsModule(function (module, exports) {
	  /**
	   * Module dependencies.
	   * @private
	   */

	  var EventEmitter$1 = EventEmitter.EventEmitter;
	  var assignNewMochaID = utils.assignNewMochaID,
	      clamp = utils.clamp,
	      utilsConstants = utils.constants,
	      createMap = utils.createMap,
	      defineConstants = utils.defineConstants,
	      getMochaID = utils.getMochaID,
	      inherits = utils.inherits,
	      isString = utils.isString;
	  var debug = browser$2('mocha:suite');
	  var MOCHA_ID_PROP_NAME = utilsConstants.MOCHA_ID_PROP_NAME;
	  /**
	   * Expose `Suite`.
	   */

	  exports = module.exports = Suite;
	  /**
	   * Create a new `Suite` with the given `title` and parent `Suite`.
	   *
	   * @public
	   * @param {Suite} parent - Parent suite (required!)
	   * @param {string} title - Title
	   * @return {Suite}
	   */

	  Suite.create = function (parent, title) {
	    var suite = new Suite(title, parent.ctx);
	    suite.parent = parent;
	    title = suite.fullTitle();
	    parent.addSuite(suite);
	    return suite;
	  };
	  /**
	   * Constructs a new `Suite` instance with the given `title`, `ctx`, and `isRoot`.
	   *
	   * @public
	   * @class
	   * @extends EventEmitter
	   * @see {@link https://nodejs.org/api/events.html#events_class_eventemitter|EventEmitter}
	   * @param {string} title - Suite title.
	   * @param {Context} parentContext - Parent context instance.
	   * @param {boolean} [isRoot=false] - Whether this is the root suite.
	   */


	  function Suite(title, parentContext, isRoot) {
	    if (!isString(title)) {
	      throw errors.createInvalidArgumentTypeError('Suite argument "title" must be a string. Received type "' + _typeof(title) + '"', 'title', 'string');
	    }

	    this.title = title;

	    function Context() {}

	    Context.prototype = parentContext;
	    this.ctx = new Context();
	    this.suites = [];
	    this.tests = [];
	    this.root = isRoot === true;
	    this.pending = false;
	    this._retries = -1;
	    this._beforeEach = [];
	    this._beforeAll = [];
	    this._afterEach = [];
	    this._afterAll = [];
	    this._timeout = 2000;
	    this._slow = 75;
	    this._bail = false;
	    this._onlyTests = [];
	    this._onlySuites = [];
	    assignNewMochaID(this);
	    Object.defineProperty(this, 'id', {
	      get: function get() {
	        return getMochaID(this);
	      }
	    });
	    this.reset();
	    this.on('newListener', function (event) {
	      if (deprecatedEvents[event]) {
	        errors.deprecate('Event "' + event + '" is deprecated.  Please let the Mocha team know about your use case: https://git.io/v6Lwm');
	      }
	    });
	  }
	  /**
	   * Inherit from `EventEmitter.prototype`.
	   */


	  inherits(Suite, EventEmitter$1);
	  /**
	   * Resets the state initially or for a next run.
	   */

	  Suite.prototype.reset = function () {
	    this.delayed = false;

	    function doReset(thingToReset) {
	      thingToReset.reset();
	    }

	    this.suites.forEach(doReset);
	    this.tests.forEach(doReset);

	    this._beforeEach.forEach(doReset);

	    this._afterEach.forEach(doReset);

	    this._beforeAll.forEach(doReset);

	    this._afterAll.forEach(doReset);
	  };
	  /**
	   * Return a clone of this `Suite`.
	   *
	   * @private
	   * @return {Suite}
	   */


	  Suite.prototype.clone = function () {
	    var suite = new Suite(this.title);
	    debug('clone');
	    suite.ctx = this.ctx;
	    suite.root = this.root;
	    suite.timeout(this.timeout());
	    suite.retries(this.retries());
	    suite.slow(this.slow());
	    suite.bail(this.bail());
	    return suite;
	  };
	  /**
	   * Set or get timeout `ms` or short-hand such as "2s".
	   *
	   * @private
	   * @todo Do not attempt to set value if `ms` is undefined
	   * @param {number|string} ms
	   * @return {Suite|number} for chaining
	   */


	  Suite.prototype.timeout = function (ms$1) {
	    if (!arguments.length) {
	      return this._timeout;
	    }

	    if (typeof ms$1 === 'string') {
	      ms$1 = ms(ms$1);
	    } // Clamp to range


	    var INT_MAX = Math.pow(2, 31) - 1;
	    var range = [0, INT_MAX];
	    ms$1 = clamp(ms$1, range);
	    debug('timeout %d', ms$1);
	    this._timeout = parseInt(ms$1, 10);
	    return this;
	  };
	  /**
	   * Set or get number of times to retry a failed test.
	   *
	   * @private
	   * @param {number|string} n
	   * @return {Suite|number} for chaining
	   */


	  Suite.prototype.retries = function (n) {
	    if (!arguments.length) {
	      return this._retries;
	    }

	    debug('retries %d', n);
	    this._retries = parseInt(n, 10) || 0;
	    return this;
	  };
	  /**
	   * Set or get slow `ms` or short-hand such as "2s".
	   *
	   * @private
	   * @param {number|string} ms
	   * @return {Suite|number} for chaining
	   */


	  Suite.prototype.slow = function (ms$1) {
	    if (!arguments.length) {
	      return this._slow;
	    }

	    if (typeof ms$1 === 'string') {
	      ms$1 = ms(ms$1);
	    }

	    debug('slow %d', ms$1);
	    this._slow = ms$1;
	    return this;
	  };
	  /**
	   * Set or get whether to bail after first error.
	   *
	   * @private
	   * @param {boolean} bail
	   * @return {Suite|number} for chaining
	   */


	  Suite.prototype.bail = function (bail) {
	    if (!arguments.length) {
	      return this._bail;
	    }

	    debug('bail %s', bail);
	    this._bail = bail;
	    return this;
	  };
	  /**
	   * Check if this suite or its parent suite is marked as pending.
	   *
	   * @private
	   */


	  Suite.prototype.isPending = function () {
	    return this.pending || this.parent && this.parent.isPending();
	  };
	  /**
	   * Generic hook-creator.
	   * @private
	   * @param {string} title - Title of hook
	   * @param {Function} fn - Hook callback
	   * @returns {Hook} A new hook
	   */


	  Suite.prototype._createHook = function (title, fn) {
	    var hook$1 = new hook(title, fn);
	    hook$1.parent = this;
	    hook$1.timeout(this.timeout());
	    hook$1.retries(this.retries());
	    hook$1.slow(this.slow());
	    hook$1.ctx = this.ctx;
	    hook$1.file = this.file;
	    return hook$1;
	  };
	  /**
	   * Run `fn(test[, done])` before running tests.
	   *
	   * @private
	   * @param {string} title
	   * @param {Function} fn
	   * @return {Suite} for chaining
	   */


	  Suite.prototype.beforeAll = function (title, fn) {
	    if (this.isPending()) {
	      return this;
	    }

	    if (typeof title === 'function') {
	      fn = title;
	      title = fn.name;
	    }

	    title = '"before all" hook' + (title ? ': ' + title : '');

	    var hook = this._createHook(title, fn);

	    this._beforeAll.push(hook);

	    this.emit(constants.EVENT_SUITE_ADD_HOOK_BEFORE_ALL, hook);
	    return this;
	  };
	  /**
	   * Run `fn(test[, done])` after running tests.
	   *
	   * @private
	   * @param {string} title
	   * @param {Function} fn
	   * @return {Suite} for chaining
	   */


	  Suite.prototype.afterAll = function (title, fn) {
	    if (this.isPending()) {
	      return this;
	    }

	    if (typeof title === 'function') {
	      fn = title;
	      title = fn.name;
	    }

	    title = '"after all" hook' + (title ? ': ' + title : '');

	    var hook = this._createHook(title, fn);

	    this._afterAll.push(hook);

	    this.emit(constants.EVENT_SUITE_ADD_HOOK_AFTER_ALL, hook);
	    return this;
	  };
	  /**
	   * Run `fn(test[, done])` before each test case.
	   *
	   * @private
	   * @param {string} title
	   * @param {Function} fn
	   * @return {Suite} for chaining
	   */


	  Suite.prototype.beforeEach = function (title, fn) {
	    if (this.isPending()) {
	      return this;
	    }

	    if (typeof title === 'function') {
	      fn = title;
	      title = fn.name;
	    }

	    title = '"before each" hook' + (title ? ': ' + title : '');

	    var hook = this._createHook(title, fn);

	    this._beforeEach.push(hook);

	    this.emit(constants.EVENT_SUITE_ADD_HOOK_BEFORE_EACH, hook);
	    return this;
	  };
	  /**
	   * Run `fn(test[, done])` after each test case.
	   *
	   * @private
	   * @param {string} title
	   * @param {Function} fn
	   * @return {Suite} for chaining
	   */


	  Suite.prototype.afterEach = function (title, fn) {
	    if (this.isPending()) {
	      return this;
	    }

	    if (typeof title === 'function') {
	      fn = title;
	      title = fn.name;
	    }

	    title = '"after each" hook' + (title ? ': ' + title : '');

	    var hook = this._createHook(title, fn);

	    this._afterEach.push(hook);

	    this.emit(constants.EVENT_SUITE_ADD_HOOK_AFTER_EACH, hook);
	    return this;
	  };
	  /**
	   * Add a test `suite`.
	   *
	   * @private
	   * @param {Suite} suite
	   * @return {Suite} for chaining
	   */


	  Suite.prototype.addSuite = function (suite) {
	    suite.parent = this;
	    suite.root = false;
	    suite.timeout(this.timeout());
	    suite.retries(this.retries());
	    suite.slow(this.slow());
	    suite.bail(this.bail());
	    this.suites.push(suite);
	    this.emit(constants.EVENT_SUITE_ADD_SUITE, suite);
	    return this;
	  };
	  /**
	   * Add a `test` to this suite.
	   *
	   * @private
	   * @param {Test} test
	   * @return {Suite} for chaining
	   */


	  Suite.prototype.addTest = function (test) {
	    test.parent = this;
	    test.timeout(this.timeout());
	    test.retries(this.retries());
	    test.slow(this.slow());
	    test.ctx = this.ctx;
	    this.tests.push(test);
	    this.emit(constants.EVENT_SUITE_ADD_TEST, test);
	    return this;
	  };
	  /**
	   * Return the full title generated by recursively concatenating the parent's
	   * full title.
	   *
	   * @memberof Suite
	   * @public
	   * @return {string}
	   */


	  Suite.prototype.fullTitle = function () {
	    return this.titlePath().join(' ');
	  };
	  /**
	   * Return the title path generated by recursively concatenating the parent's
	   * title path.
	   *
	   * @memberof Suite
	   * @public
	   * @return {string}
	   */


	  Suite.prototype.titlePath = function () {
	    var result = [];

	    if (this.parent) {
	      result = result.concat(this.parent.titlePath());
	    }

	    if (!this.root) {
	      result.push(this.title);
	    }

	    return result;
	  };
	  /**
	   * Return the total number of tests.
	   *
	   * @memberof Suite
	   * @public
	   * @return {number}
	   */


	  Suite.prototype.total = function () {
	    return this.suites.reduce(function (sum, suite) {
	      return sum + suite.total();
	    }, 0) + this.tests.length;
	  };
	  /**
	   * Iterates through each suite recursively to find all tests. Applies a
	   * function in the format `fn(test)`.
	   *
	   * @private
	   * @param {Function} fn
	   * @return {Suite}
	   */


	  Suite.prototype.eachTest = function (fn) {
	    this.tests.forEach(fn);
	    this.suites.forEach(function (suite) {
	      suite.eachTest(fn);
	    });
	    return this;
	  };
	  /**
	   * This will run the root suite if we happen to be running in delayed mode.
	   * @private
	   */


	  Suite.prototype.run = function run() {
	    if (this.root) {
	      this.emit(constants.EVENT_ROOT_SUITE_RUN);
	    }
	  };
	  /**
	   * Determines whether a suite has an `only` test or suite as a descendant.
	   *
	   * @private
	   * @returns {Boolean}
	   */


	  Suite.prototype.hasOnly = function hasOnly() {
	    return this._onlyTests.length > 0 || this._onlySuites.length > 0 || this.suites.some(function (suite) {
	      return suite.hasOnly();
	    });
	  };
	  /**
	   * Filter suites based on `isOnly` logic.
	   *
	   * @private
	   * @returns {Boolean}
	   */


	  Suite.prototype.filterOnly = function filterOnly() {
	    if (this._onlyTests.length) {
	      // If the suite contains `only` tests, run those and ignore any nested suites.
	      this.tests = this._onlyTests;
	      this.suites = [];
	    } else {
	      // Otherwise, do not run any of the tests in this suite.
	      this.tests = [];

	      this._onlySuites.forEach(function (onlySuite) {
	        // If there are other `only` tests/suites nested in the current `only` suite, then filter that `only` suite.
	        // Otherwise, all of the tests on this `only` suite should be run, so don't filter it.
	        if (onlySuite.hasOnly()) {
	          onlySuite.filterOnly();
	        }
	      }); // Run the `only` suites, as well as any other suites that have `only` tests/suites as descendants.


	      var onlySuites = this._onlySuites;
	      this.suites = this.suites.filter(function (childSuite) {
	        return onlySuites.indexOf(childSuite) !== -1 || childSuite.filterOnly();
	      });
	    } // Keep the suite only if there is something to run


	    return this.tests.length > 0 || this.suites.length > 0;
	  };
	  /**
	   * Adds a suite to the list of subsuites marked `only`.
	   *
	   * @private
	   * @param {Suite} suite
	   */


	  Suite.prototype.appendOnlySuite = function (suite) {
	    this._onlySuites.push(suite);
	  };
	  /**
	   * Marks a suite to be `only`.
	   *
	   * @private
	   */


	  Suite.prototype.markOnly = function () {
	    this.parent && this.parent.appendOnlySuite(this);
	  };
	  /**
	   * Adds a test to the list of tests marked `only`.
	   *
	   * @private
	   * @param {Test} test
	   */


	  Suite.prototype.appendOnlyTest = function (test) {
	    this._onlyTests.push(test);
	  };
	  /**
	   * Returns the array of hooks by hook name; see `HOOK_TYPE_*` constants.
	   * @private
	   */


	  Suite.prototype.getHooks = function getHooks(name) {
	    return this['_' + name];
	  };
	  /**
	   * cleans all references from this suite and all child suites.
	   */


	  Suite.prototype.dispose = function () {
	    this.suites.forEach(function (suite) {
	      suite.dispose();
	    });
	    this.cleanReferences();
	  };
	  /**
	   * Cleans up the references to all the deferred functions
	   * (before/after/beforeEach/afterEach) and tests of a Suite.
	   * These must be deleted otherwise a memory leak can happen,
	   * as those functions may reference variables from closures,
	   * thus those variables can never be garbage collected as long
	   * as the deferred functions exist.
	   *
	   * @private
	   */


	  Suite.prototype.cleanReferences = function cleanReferences() {
	    function cleanArrReferences(arr) {
	      for (var i = 0; i < arr.length; i++) {
	        delete arr[i].fn;
	      }
	    }

	    if (Array.isArray(this._beforeAll)) {
	      cleanArrReferences(this._beforeAll);
	    }

	    if (Array.isArray(this._beforeEach)) {
	      cleanArrReferences(this._beforeEach);
	    }

	    if (Array.isArray(this._afterAll)) {
	      cleanArrReferences(this._afterAll);
	    }

	    if (Array.isArray(this._afterEach)) {
	      cleanArrReferences(this._afterEach);
	    }

	    for (var i = 0; i < this.tests.length; i++) {
	      delete this.tests[i].fn;
	    }
	  };
	  /**
	   * Returns an object suitable for IPC.
	   * Functions are represented by keys beginning with `$$`.
	   * @private
	   * @returns {Object}
	   */


	  Suite.prototype.serialize = function serialize() {
	    return {
	      _bail: this._bail,
	      $$fullTitle: this.fullTitle(),
	      $$isPending: this.isPending(),
	      root: this.root,
	      title: this.title,
	      id: this.id,
	      parent: this.parent ? _defineProperty({}, MOCHA_ID_PROP_NAME, this.parent.id) : null
	    };
	  };

	  var constants = defineConstants(
	  /**
	   * {@link Suite}-related constants.
	   * @public
	   * @memberof Suite
	   * @alias constants
	   * @readonly
	   * @static
	   * @enum {string}
	   */
	  {
	    /**
	     * Event emitted after a test file has been loaded Not emitted in browser.
	     */
	    EVENT_FILE_POST_REQUIRE: 'post-require',

	    /**
	     * Event emitted before a test file has been loaded. In browser, this is emitted once an interface has been selected.
	     */
	    EVENT_FILE_PRE_REQUIRE: 'pre-require',

	    /**
	     * Event emitted immediately after a test file has been loaded. Not emitted in browser.
	     */
	    EVENT_FILE_REQUIRE: 'require',

	    /**
	     * Event emitted when `global.run()` is called (use with `delay` option)
	     */
	    EVENT_ROOT_SUITE_RUN: 'run',

	    /**
	     * Namespace for collection of a `Suite`'s "after all" hooks
	     */
	    HOOK_TYPE_AFTER_ALL: 'afterAll',

	    /**
	     * Namespace for collection of a `Suite`'s "after each" hooks
	     */
	    HOOK_TYPE_AFTER_EACH: 'afterEach',

	    /**
	     * Namespace for collection of a `Suite`'s "before all" hooks
	     */
	    HOOK_TYPE_BEFORE_ALL: 'beforeAll',

	    /**
	     * Namespace for collection of a `Suite`'s "before all" hooks
	     */
	    HOOK_TYPE_BEFORE_EACH: 'beforeEach',
	    // the following events are all deprecated

	    /**
	     * Emitted after an "after all" `Hook` has been added to a `Suite`. Deprecated
	     */
	    EVENT_SUITE_ADD_HOOK_AFTER_ALL: 'afterAll',

	    /**
	     * Emitted after an "after each" `Hook` has been added to a `Suite` Deprecated
	     */
	    EVENT_SUITE_ADD_HOOK_AFTER_EACH: 'afterEach',

	    /**
	     * Emitted after an "before all" `Hook` has been added to a `Suite` Deprecated
	     */
	    EVENT_SUITE_ADD_HOOK_BEFORE_ALL: 'beforeAll',

	    /**
	     * Emitted after an "before each" `Hook` has been added to a `Suite` Deprecated
	     */
	    EVENT_SUITE_ADD_HOOK_BEFORE_EACH: 'beforeEach',

	    /**
	     * Emitted after a child `Suite` has been added to a `Suite`. Deprecated
	     */
	    EVENT_SUITE_ADD_SUITE: 'suite',

	    /**
	     * Emitted after a `Test` has been added to a `Suite`. Deprecated
	     */
	    EVENT_SUITE_ADD_TEST: 'test'
	  });
	  /**
	   * @summary There are no known use cases for these events.
	   * @desc This is a `Set`-like object having all keys being the constant's string value and the value being `true`.
	   * @todo Remove eventually
	   * @type {Object<string,boolean>}
	   * @ignore
	   */

	  var deprecatedEvents = Object.keys(constants).filter(function (constant) {
	    return constant.substring(0, 15) === 'EVENT_SUITE_ADD';
	  }).reduce(function (acc, constant) {
	    acc[constants[constant]] = true;
	    return acc;
	  }, createMap());
	  Suite.constants = constants;
	});

	/**
	 * Module dependencies.
	 * @private
	 */


	var EventEmitter$2 = EventEmitter.EventEmitter;
	var debug$2 = browser$2('mocha:runner');
	var HOOK_TYPE_BEFORE_EACH = suite.constants.HOOK_TYPE_BEFORE_EACH;
	var HOOK_TYPE_AFTER_EACH = suite.constants.HOOK_TYPE_AFTER_EACH;
	var HOOK_TYPE_AFTER_ALL = suite.constants.HOOK_TYPE_AFTER_ALL;
	var HOOK_TYPE_BEFORE_ALL = suite.constants.HOOK_TYPE_BEFORE_ALL;
	var EVENT_ROOT_SUITE_RUN = suite.constants.EVENT_ROOT_SUITE_RUN;
	var STATE_FAILED = runnable.constants.STATE_FAILED;
	var STATE_PASSED = runnable.constants.STATE_PASSED;
	var STATE_PENDING = runnable.constants.STATE_PENDING;
	var dQuote = utils.dQuote;
	var sQuote = utils.sQuote;
	var stackFilter = utils.stackTraceFilter();
	var stringify = utils.stringify;
	var createInvalidExceptionError$2 = errors.createInvalidExceptionError;
	var createUnsupportedError$1 = errors.createUnsupportedError;
	var createFatalError$1 = errors.createFatalError;
	/**
	 * Non-enumerable globals.
	 * @private
	 * @readonly
	 */

	var globals = ['setTimeout', 'clearTimeout', 'setInterval', 'clearInterval', 'XMLHttpRequest', 'Date', 'setImmediate', 'clearImmediate'];
	var constants$3 = utils.defineConstants(
	/**
	 * {@link Runner}-related constants.
	 * @public
	 * @memberof Runner
	 * @readonly
	 * @alias constants
	 * @static
	 * @enum {string}
	 */
	{
	  /**
	   * Emitted when {@link Hook} execution begins
	   */
	  EVENT_HOOK_BEGIN: 'hook',

	  /**
	   * Emitted when {@link Hook} execution ends
	   */
	  EVENT_HOOK_END: 'hook end',

	  /**
	   * Emitted when Root {@link Suite} execution begins (all files have been parsed and hooks/tests are ready for execution)
	   */
	  EVENT_RUN_BEGIN: 'start',

	  /**
	   * Emitted when Root {@link Suite} execution has been delayed via `delay` option
	   */
	  EVENT_DELAY_BEGIN: 'waiting',

	  /**
	   * Emitted when delayed Root {@link Suite} execution is triggered by user via `global.run()`
	   */
	  EVENT_DELAY_END: 'ready',

	  /**
	   * Emitted when Root {@link Suite} execution ends
	   */
	  EVENT_RUN_END: 'end',

	  /**
	   * Emitted when {@link Suite} execution begins
	   */
	  EVENT_SUITE_BEGIN: 'suite',

	  /**
	   * Emitted when {@link Suite} execution ends
	   */
	  EVENT_SUITE_END: 'suite end',

	  /**
	   * Emitted when {@link Test} execution begins
	   */
	  EVENT_TEST_BEGIN: 'test',

	  /**
	   * Emitted when {@link Test} execution ends
	   */
	  EVENT_TEST_END: 'test end',

	  /**
	   * Emitted when {@link Test} execution fails
	   */
	  EVENT_TEST_FAIL: 'fail',

	  /**
	   * Emitted when {@link Test} execution succeeds
	   */
	  EVENT_TEST_PASS: 'pass',

	  /**
	   * Emitted when {@link Test} becomes pending
	   */
	  EVENT_TEST_PENDING: 'pending',

	  /**
	   * Emitted when {@link Test} execution has failed, but will retry
	   */
	  EVENT_TEST_RETRY: 'retry',

	  /**
	   * Initial state of Runner
	   */
	  STATE_IDLE: 'idle',

	  /**
	   * State set to this value when the Runner has started running
	   */
	  STATE_RUNNING: 'running',

	  /**
	   * State set to this value when the Runner has stopped
	   */
	  STATE_STOPPED: 'stopped'
	});

	var Runner = /*#__PURE__*/function (_EventEmitter) {
	  _inherits(Runner, _EventEmitter);

	  var _super = _createSuper(Runner);

	  /**
	   * Initialize a `Runner` at the Root {@link Suite}, which represents a hierarchy of {@link Suite|Suites} and {@link Test|Tests}.
	   *
	   * @extends external:EventEmitter
	   * @public
	   * @class
	   * @param {Suite} suite - Root suite
	   * @param {Object|boolean} [opts] - Options. If `boolean`, whether or not to delay execution of root suite until ready (for backwards compatibility).
	   * @param {boolean} [opts.delay] - Whether to delay execution of root suite until ready.
	   * @param {boolean} [opts.cleanReferencesAfterRun] - Whether to clean references to test fns and hooks when a suite is done.
	   */
	  function Runner(suite, opts) {
	    var _this;

	    _classCallCheck(this, Runner);

	    _this = _super.call(this);

	    if (opts === undefined) {
	      opts = {};
	    }

	    if (typeof opts === 'boolean') {
	      // TODO: deprecate this
	      _this._delay = opts;
	      opts = {};
	    } else {
	      _this._delay = opts.delay;
	    }

	    var self = _assertThisInitialized(_this);

	    _this._globals = [];
	    _this._abort = false;
	    _this.suite = suite;
	    _this._opts = opts;
	    _this.state = constants$3.STATE_IDLE;
	    _this.total = suite.total();
	    _this.failures = 0;
	    /**
	     * @type {Map<EventEmitter,Map<string,Set<EventListener>>>}
	     */

	    _this._eventListeners = new Map();

	    _this.on(constants$3.EVENT_TEST_END, function (test) {
	      if (test.type === 'test' && test.retriedTest() && test.parent) {
	        var idx = test.parent.tests && test.parent.tests.indexOf(test.retriedTest());
	        if (idx > -1) test.parent.tests[idx] = test;
	      }

	      self.checkGlobals(test);
	    });

	    _this.on(constants$3.EVENT_HOOK_END, function (hook) {
	      self.checkGlobals(hook);
	    });

	    _this._defaultGrep = /.*/;

	    _this.grep(_this._defaultGrep);

	    _this.globals(_this.globalProps());

	    _this.uncaught = _this._uncaught.bind(_assertThisInitialized(_this));
	    return _this;
	  }

	  return Runner;
	}(EventEmitter$2);
	/**
	 * Wrapper for setImmediate, process.nextTick, or browser polyfill.
	 *
	 * @param {Function} fn
	 * @private
	 */


	Runner.immediately = commonjsGlobal.setImmediate || nextTick;
	/**
	 * Replacement for `target.on(eventName, listener)` that does bookkeeping to remove them when this runner instance is disposed.
	 * @param {EventEmitter} target - The `EventEmitter`
	 * @param {string} eventName - The event name
	 * @param {string} fn - Listener function
	 * @private
	 */

	Runner.prototype._addEventListener = function (target, eventName, listener) {
	  debug$2('_addEventListener(): adding for event %s; %d current listeners', eventName, target.listenerCount(eventName));
	  /* istanbul ignore next */

	  if (this._eventListeners.has(target) && this._eventListeners.get(target).has(eventName) && this._eventListeners.get(target).get(eventName).has(listener)) {
	    debug$2('warning: tried to attach duplicate event listener for %s', eventName);
	    return;
	  }

	  target.on(eventName, listener);
	  var targetListeners = this._eventListeners.has(target) ? this._eventListeners.get(target) : new Map();
	  var targetEventListeners = targetListeners.has(eventName) ? targetListeners.get(eventName) : new Set();
	  targetEventListeners.add(listener);
	  targetListeners.set(eventName, targetEventListeners);

	  this._eventListeners.set(target, targetListeners);
	};
	/**
	 * Replacement for `target.removeListener(eventName, listener)` that also updates the bookkeeping.
	 * @param {EventEmitter} target - The `EventEmitter`
	 * @param {string} eventName - The event name
	 * @param {function} listener - Listener function
	 * @private
	 */


	Runner.prototype._removeEventListener = function (target, eventName, listener) {
	  target.removeListener(eventName, listener);

	  if (this._eventListeners.has(target)) {
	    var targetListeners = this._eventListeners.get(target);

	    if (targetListeners.has(eventName)) {
	      var targetEventListeners = targetListeners.get(eventName);
	      targetEventListeners["delete"](listener);

	      if (!targetEventListeners.size) {
	        targetListeners["delete"](eventName);
	      }
	    }

	    if (!targetListeners.size) {
	      this._eventListeners["delete"](target);
	    }
	  } else {
	    debug$2('trying to remove listener for untracked object %s', target);
	  }
	};
	/**
	 * Removes all event handlers set during a run on this instance.
	 * Remark: this does _not_ clean/dispose the tests or suites themselves.
	 */


	Runner.prototype.dispose = function () {
	  this.removeAllListeners();

	  this._eventListeners.forEach(function (targetListeners, target) {
	    targetListeners.forEach(function (targetEventListeners, eventName) {
	      targetEventListeners.forEach(function (listener) {
	        target.removeListener(eventName, listener);
	      });
	    });
	  });

	  this._eventListeners.clear();
	};
	/**
	 * Run tests with full titles matching `re`. Updates runner.total
	 * with number of tests matched.
	 *
	 * @public
	 * @memberof Runner
	 * @param {RegExp} re
	 * @param {boolean} invert
	 * @return {Runner} Runner instance.
	 */


	Runner.prototype.grep = function (re, invert) {
	  debug$2('grep(): setting to %s', re);
	  this._grep = re;
	  this._invert = invert;
	  this.total = this.grepTotal(this.suite);
	  return this;
	};
	/**
	 * Returns the number of tests matching the grep search for the
	 * given suite.
	 *
	 * @memberof Runner
	 * @public
	 * @param {Suite} suite
	 * @return {number}
	 */


	Runner.prototype.grepTotal = function (suite) {
	  var self = this;
	  var total = 0;
	  suite.eachTest(function (test) {
	    var match = self._grep.test(test.fullTitle());

	    if (self._invert) {
	      match = !match;
	    }

	    if (match) {
	      total++;
	    }
	  });
	  return total;
	};
	/**
	 * Return a list of global properties.
	 *
	 * @return {Array}
	 * @private
	 */


	Runner.prototype.globalProps = function () {
	  var props = Object.keys(commonjsGlobal); // non-enumerables

	  for (var i = 0; i < globals.length; ++i) {
	    if (~props.indexOf(globals[i])) {
	      continue;
	    }

	    props.push(globals[i]);
	  }

	  return props;
	};
	/**
	 * Allow the given `arr` of globals.
	 *
	 * @public
	 * @memberof Runner
	 * @param {Array} arr
	 * @return {Runner} Runner instance.
	 */


	Runner.prototype.globals = function (arr) {
	  if (!arguments.length) {
	    return this._globals;
	  }

	  debug$2('globals(): setting to %O', arr);
	  this._globals = this._globals.concat(arr);
	  return this;
	};
	/**
	 * Check for global variable leaks.
	 *
	 * @private
	 */


	Runner.prototype.checkGlobals = function (test) {
	  if (!this.checkLeaks) {
	    return;
	  }

	  var ok = this._globals;
	  var globals = this.globalProps();
	  var leaks;

	  if (test) {
	    ok = ok.concat(test._allowedGlobals || []);
	  }

	  if (this.prevGlobalsLength === globals.length) {
	    return;
	  }

	  this.prevGlobalsLength = globals.length;
	  leaks = filterLeaks(ok, globals);
	  this._globals = this._globals.concat(leaks);

	  if (leaks.length) {
	    var msg = 'global leak(s) detected: %s';
	    var error = new Error(util.format(msg, leaks.map(sQuote).join(', ')));
	    this.fail(test, error);
	  }
	};
	/**
	 * Fail the given `test`.
	 *
	 * If `test` is a hook, failures work in the following pattern:
	 * - If bail, run corresponding `after each` and `after` hooks,
	 *   then exit
	 * - Failed `before` hook skips all tests in a suite and subsuites,
	 *   but jumps to corresponding `after` hook
	 * - Failed `before each` hook skips remaining tests in a
	 *   suite and jumps to corresponding `after each` hook,
	 *   which is run only once
	 * - Failed `after` hook does not alter execution order
	 * - Failed `after each` hook skips remaining tests in a
	 *   suite and subsuites, but executes other `after each`
	 *   hooks
	 *
	 * @private
	 * @param {Runnable} test
	 * @param {Error} err
	 * @param {boolean} [force=false] - Whether to fail a pending test.
	 */


	Runner.prototype.fail = function (test, err, force) {
	  force = force === true;

	  if (test.isPending() && !force) {
	    return;
	  }

	  if (this.state === constants$3.STATE_STOPPED) {
	    if (err.code === errors.constants.MULTIPLE_DONE) {
	      throw err;
	    }

	    throw createFatalError$1('Test failed after root suite execution completed!', err);
	  }

	  ++this.failures;
	  debug$2('total number of failures: %d', this.failures);
	  test.state = STATE_FAILED;

	  if (!isError$1(err)) {
	    err = thrown2Error(err);
	  }

	  try {
	    err.stack = this.fullStackTrace || !err.stack ? err.stack : stackFilter(err.stack);
	  } catch (ignore) {// some environments do not take kindly to monkeying with the stack
	  }

	  this.emit(constants$3.EVENT_TEST_FAIL, test, err);
	};
	/**
	 * Run hook `name` callbacks and then invoke `fn()`.
	 *
	 * @private
	 * @param {string} name
	 * @param {Function} fn
	 */


	Runner.prototype.hook = function (name, fn) {
	  var suite = this.suite;
	  var hooks = suite.getHooks(name);
	  var self = this;

	  function next(i) {
	    var hook = hooks[i];

	    if (!hook) {
	      return fn();
	    }

	    self.currentRunnable = hook;

	    if (name === HOOK_TYPE_BEFORE_ALL) {
	      hook.ctx.currentTest = hook.parent.tests[0];
	    } else if (name === HOOK_TYPE_AFTER_ALL) {
	      hook.ctx.currentTest = hook.parent.tests[hook.parent.tests.length - 1];
	    } else {
	      hook.ctx.currentTest = self.test;
	    }

	    setHookTitle(hook);
	    hook.allowUncaught = self.allowUncaught;
	    self.emit(constants$3.EVENT_HOOK_BEGIN, hook);

	    if (!hook.listeners('error').length) {
	      self._addEventListener(hook, 'error', function (err) {
	        self.fail(hook, err);
	      });
	    }

	    hook.run(function cbHookRun(err) {
	      var testError = hook.error();

	      if (testError) {
	        self.fail(self.test, testError);
	      } // conditional skip


	      if (hook.pending) {
	        if (name === HOOK_TYPE_AFTER_EACH) {
	          // TODO define and implement use case
	          if (self.test) {
	            self.test.pending = true;
	          }
	        } else if (name === HOOK_TYPE_BEFORE_EACH) {
	          if (self.test) {
	            self.test.pending = true;
	          }

	          self.emit(constants$3.EVENT_HOOK_END, hook);
	          hook.pending = false; // activates hook for next test

	          return fn(new Error('abort hookDown'));
	        } else if (name === HOOK_TYPE_BEFORE_ALL) {
	          suite.tests.forEach(function (test) {
	            test.pending = true;
	          });
	          suite.suites.forEach(function (suite) {
	            suite.pending = true;
	          });
	          hooks = [];
	        } else {
	          hook.pending = false;
	          var errForbid = createUnsupportedError$1('`this.skip` forbidden');
	          self.fail(hook, errForbid);
	          return fn(errForbid);
	        }
	      } else if (err) {
	        self.fail(hook, err); // stop executing hooks, notify callee of hook err

	        return fn(err);
	      }

	      self.emit(constants$3.EVENT_HOOK_END, hook);
	      delete hook.ctx.currentTest;
	      setHookTitle(hook);
	      next(++i);
	    });

	    function setHookTitle(hook) {
	      hook.originalTitle = hook.originalTitle || hook.title;

	      if (hook.ctx && hook.ctx.currentTest) {
	        hook.title = hook.originalTitle + ' for ' + dQuote(hook.ctx.currentTest.title);
	      } else {
	        var parentTitle;

	        if (hook.parent.title) {
	          parentTitle = hook.parent.title;
	        } else {
	          parentTitle = hook.parent.root ? '{root}' : '';
	        }

	        hook.title = hook.originalTitle + ' in ' + dQuote(parentTitle);
	      }
	    }
	  }

	  Runner.immediately(function () {
	    next(0);
	  });
	};
	/**
	 * Run hook `name` for the given array of `suites`
	 * in order, and callback `fn(err, errSuite)`.
	 *
	 * @private
	 * @param {string} name
	 * @param {Array} suites
	 * @param {Function} fn
	 */


	Runner.prototype.hooks = function (name, suites, fn) {
	  var self = this;
	  var orig = this.suite;

	  function next(suite) {
	    self.suite = suite;

	    if (!suite) {
	      self.suite = orig;
	      return fn();
	    }

	    self.hook(name, function (err) {
	      if (err) {
	        var errSuite = self.suite;
	        self.suite = orig;
	        return fn(err, errSuite);
	      }

	      next(suites.pop());
	    });
	  }

	  next(suites.pop());
	};
	/**
	 * Run hooks from the top level down.
	 *
	 * @param {String} name
	 * @param {Function} fn
	 * @private
	 */


	Runner.prototype.hookUp = function (name, fn) {
	  var suites = [this.suite].concat(this.parents()).reverse();
	  this.hooks(name, suites, fn);
	};
	/**
	 * Run hooks from the bottom up.
	 *
	 * @param {String} name
	 * @param {Function} fn
	 * @private
	 */


	Runner.prototype.hookDown = function (name, fn) {
	  var suites = [this.suite].concat(this.parents());
	  this.hooks(name, suites, fn);
	};
	/**
	 * Return an array of parent Suites from
	 * closest to furthest.
	 *
	 * @return {Array}
	 * @private
	 */


	Runner.prototype.parents = function () {
	  var suite = this.suite;
	  var suites = [];

	  while (suite.parent) {
	    suite = suite.parent;
	    suites.push(suite);
	  }

	  return suites;
	};
	/**
	 * Run the current test and callback `fn(err)`.
	 *
	 * @param {Function} fn
	 * @private
	 */


	Runner.prototype.runTest = function (fn) {
	  var self = this;
	  var test = this.test;

	  if (!test) {
	    return;
	  }

	  if (this.asyncOnly) {
	    test.asyncOnly = true;
	  }

	  this._addEventListener(test, 'error', function (err) {
	    self.fail(test, err);
	  });

	  if (this.allowUncaught) {
	    test.allowUncaught = true;
	    return test.run(fn);
	  }

	  try {
	    test.run(fn);
	  } catch (err) {
	    fn(err);
	  }
	};
	/**
	 * Run tests in the given `suite` and invoke the callback `fn()` when complete.
	 *
	 * @private
	 * @param {Suite} suite
	 * @param {Function} fn
	 */


	Runner.prototype.runTests = function (suite, fn) {
	  var self = this;
	  var tests = suite.tests.slice();
	  var test;

	  function hookErr(_, errSuite, after) {
	    // before/after Each hook for errSuite failed:
	    var orig = self.suite; // for failed 'after each' hook start from errSuite parent,
	    // otherwise start from errSuite itself

	    self.suite = after ? errSuite.parent : errSuite;

	    if (self.suite) {
	      // call hookUp afterEach
	      self.hookUp(HOOK_TYPE_AFTER_EACH, function (err2, errSuite2) {
	        self.suite = orig; // some hooks may fail even now

	        if (err2) {
	          return hookErr(err2, errSuite2, true);
	        } // report error suite


	        fn(errSuite);
	      });
	    } else {
	      // there is no need calling other 'after each' hooks
	      self.suite = orig;
	      fn(errSuite);
	    }
	  }

	  function next(err, errSuite) {
	    // if we bail after first err
	    if (self.failures && suite._bail) {
	      tests = [];
	    }

	    if (self._abort) {
	      return fn();
	    }

	    if (err) {
	      return hookErr(err, errSuite, true);
	    } // next test


	    test = tests.shift(); // all done

	    if (!test) {
	      return fn();
	    } // grep


	    var match = self._grep.test(test.fullTitle());

	    if (self._invert) {
	      match = !match;
	    }

	    if (!match) {
	      // Run immediately only if we have defined a grep. When we
	      // define a grep — It can cause maximum callstack error if
	      // the grep is doing a large recursive loop by neglecting
	      // all tests. The run immediately function also comes with
	      // a performance cost. So we don't want to run immediately
	      // if we run the whole test suite, because running the whole
	      // test suite don't do any immediate recursive loops. Thus,
	      // allowing a JS runtime to breathe.
	      if (self._grep !== self._defaultGrep) {
	        Runner.immediately(next);
	      } else {
	        next();
	      }

	      return;
	    } // static skip, no hooks are executed


	    if (test.isPending()) {
	      if (self.forbidPending) {
	        self.fail(test, new Error('Pending test forbidden'), true);
	      } else {
	        test.state = STATE_PENDING;
	        self.emit(constants$3.EVENT_TEST_PENDING, test);
	      }

	      self.emit(constants$3.EVENT_TEST_END, test);
	      return next();
	    } // execute test and hook(s)


	    self.emit(constants$3.EVENT_TEST_BEGIN, self.test = test);
	    self.hookDown(HOOK_TYPE_BEFORE_EACH, function (err, errSuite) {
	      // conditional skip within beforeEach
	      if (test.isPending()) {
	        if (self.forbidPending) {
	          self.fail(test, new Error('Pending test forbidden'), true);
	        } else {
	          test.state = STATE_PENDING;
	          self.emit(constants$3.EVENT_TEST_PENDING, test);
	        }

	        self.emit(constants$3.EVENT_TEST_END, test); // skip inner afterEach hooks below errSuite level

	        var origSuite = self.suite;
	        self.suite = errSuite || self.suite;
	        return self.hookUp(HOOK_TYPE_AFTER_EACH, function (e, eSuite) {
	          self.suite = origSuite;
	          next(e, eSuite);
	        });
	      }

	      if (err) {
	        return hookErr(err, errSuite, false);
	      }

	      self.currentRunnable = self.test;
	      self.runTest(function (err) {
	        test = self.test; // conditional skip within it

	        if (test.pending) {
	          if (self.forbidPending) {
	            self.fail(test, new Error('Pending test forbidden'), true);
	          } else {
	            test.state = STATE_PENDING;
	            self.emit(constants$3.EVENT_TEST_PENDING, test);
	          }

	          self.emit(constants$3.EVENT_TEST_END, test);
	          return self.hookUp(HOOK_TYPE_AFTER_EACH, next);
	        } else if (err) {
	          var retry = test.currentRetry();

	          if (retry < test.retries()) {
	            var clonedTest = test.clone();
	            clonedTest.currentRetry(retry + 1);
	            tests.unshift(clonedTest);
	            self.emit(constants$3.EVENT_TEST_RETRY, test, err); // Early return + hook trigger so that it doesn't
	            // increment the count wrong

	            return self.hookUp(HOOK_TYPE_AFTER_EACH, next);
	          } else {
	            self.fail(test, err);
	          }

	          self.emit(constants$3.EVENT_TEST_END, test);
	          return self.hookUp(HOOK_TYPE_AFTER_EACH, next);
	        }

	        test.state = STATE_PASSED;
	        self.emit(constants$3.EVENT_TEST_PASS, test);
	        self.emit(constants$3.EVENT_TEST_END, test);
	        self.hookUp(HOOK_TYPE_AFTER_EACH, next);
	      });
	    });
	  }

	  this.next = next;
	  this.hookErr = hookErr;
	  next();
	};
	/**
	 * Run the given `suite` and invoke the callback `fn()` when complete.
	 *
	 * @private
	 * @param {Suite} suite
	 * @param {Function} fn
	 */


	Runner.prototype.runSuite = function (suite, fn) {
	  var i = 0;
	  var self = this;
	  var total = this.grepTotal(suite);
	  debug$2('runSuite(): running %s', suite.fullTitle());

	  if (!total || self.failures && suite._bail) {
	    debug$2('runSuite(): bailing');
	    return fn();
	  }

	  this.emit(constants$3.EVENT_SUITE_BEGIN, this.suite = suite);

	  function next(errSuite) {
	    if (errSuite) {
	      // current suite failed on a hook from errSuite
	      if (errSuite === suite) {
	        // if errSuite is current suite
	        // continue to the next sibling suite
	        return done();
	      } // errSuite is among the parents of current suite
	      // stop execution of errSuite and all sub-suites


	      return done(errSuite);
	    }

	    if (self._abort) {
	      return done();
	    }

	    var curr = suite.suites[i++];

	    if (!curr) {
	      return done();
	    } // Avoid grep neglecting large number of tests causing a
	    // huge recursive loop and thus a maximum call stack error.
	    // See comment in `this.runTests()` for more information.


	    if (self._grep !== self._defaultGrep) {
	      Runner.immediately(function () {
	        self.runSuite(curr, next);
	      });
	    } else {
	      self.runSuite(curr, next);
	    }
	  }

	  function done(errSuite) {
	    self.suite = suite;
	    self.nextSuite = next; // remove reference to test

	    delete self.test;
	    self.hook(HOOK_TYPE_AFTER_ALL, function () {
	      self.emit(constants$3.EVENT_SUITE_END, suite);
	      fn(errSuite);
	    });
	  }

	  this.nextSuite = next;
	  this.hook(HOOK_TYPE_BEFORE_ALL, function (err) {
	    if (err) {
	      return done();
	    }

	    self.runTests(suite, next);
	  });
	};
	/**
	 * Handle uncaught exceptions within runner.
	 *
	 * This function is bound to the instance as `Runner#uncaught` at instantiation
	 * time. It's intended to be listening on the `Process.uncaughtException` event.
	 * In order to not leak EE listeners, we need to ensure no more than a single
	 * `uncaughtException` listener exists per `Runner`.  The only way to do
	 * this--because this function needs the context (and we don't have lambdas)--is
	 * to use `Function.prototype.bind`. We need strict equality to unregister and
	 * _only_ unregister the _one_ listener we set from the
	 * `Process.uncaughtException` event; would be poor form to just remove
	 * everything. See {@link Runner#run} for where the event listener is registered
	 * and unregistered.
	 * @param {Error} err - Some uncaught error
	 * @private
	 */


	Runner.prototype._uncaught = function (err) {
	  // this is defensive to prevent future developers from mis-calling this function.
	  // it's more likely that it'd be called with the incorrect context--say, the global
	  // `process` object--than it would to be called with a context that is not a "subclass"
	  // of `Runner`.
	  if (!(this instanceof Runner)) {
	    throw createFatalError$1('Runner#uncaught() called with invalid context', this);
	  }

	  if (err instanceof pending) {
	    debug$2('uncaught(): caught a Pending');
	    return;
	  } // browser does not exit script when throwing in global.onerror()


	  if (this.allowUncaught && !utils.isBrowser()) {
	    debug$2('uncaught(): bubbling exception due to --allow-uncaught');
	    throw err;
	  }

	  if (this.state === constants$3.STATE_STOPPED) {
	    debug$2('uncaught(): throwing after run has completed!');
	    throw err;
	  }

	  if (err) {
	    debug$2('uncaught(): got truthy exception %O', err);
	  } else {
	    debug$2('uncaught(): undefined/falsy exception');
	    err = createInvalidExceptionError$2('Caught falsy/undefined exception which would otherwise be uncaught. No stack trace found; try a debugger', err);
	  }

	  if (!isError$1(err)) {
	    err = thrown2Error(err);
	    debug$2('uncaught(): converted "error" %o to Error', err);
	  }

	  err.uncaught = true;
	  var runnable$1 = this.currentRunnable;

	  if (!runnable$1) {
	    runnable$1 = new runnable('Uncaught error outside test suite');
	    debug$2('uncaught(): no current Runnable; created a phony one');
	    runnable$1.parent = this.suite;

	    if (this.state === constants$3.STATE_RUNNING) {
	      debug$2('uncaught(): failing gracefully');
	      this.fail(runnable$1, err);
	    } else {
	      // Can't recover from this failure
	      debug$2('uncaught(): test run has not yet started; unrecoverable');
	      this.emit(constants$3.EVENT_RUN_BEGIN);
	      this.fail(runnable$1, err);
	      this.emit(constants$3.EVENT_RUN_END);
	    }

	    return;
	  }

	  runnable$1.clearTimeout();

	  if (runnable$1.isFailed()) {
	    debug$2('uncaught(): Runnable has already failed'); // Ignore error if already failed

	    return;
	  } else if (runnable$1.isPending()) {
	    debug$2('uncaught(): pending Runnable wound up failing!'); // report 'pending test' retrospectively as failed

	    this.fail(runnable$1, err, true);
	    return;
	  } // we cannot recover gracefully if a Runnable has already passed
	  // then fails asynchronously


	  if (runnable$1.isPassed()) {
	    debug$2('uncaught(): Runnable has already passed; bailing gracefully');
	    this.fail(runnable$1, err);
	    this.abort();
	  } else {
	    debug$2('uncaught(): forcing Runnable to complete with Error');
	    return runnable$1.callback(err);
	  }
	};
	/**
	 * Run the root suite and invoke `fn(failures)`
	 * on completion.
	 *
	 * @public
	 * @memberof Runner
	 * @param {Function} fn - Callback when finished
	 * @param {{files: string[], options: Options}} [opts] - For subclasses
	 * @returns {Runner} Runner instance.
	 */


	Runner.prototype.run = function (fn) {
	  var _this2 = this;

	  var opts = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
	  var rootSuite = this.suite;
	  var options = opts.options || {};
	  debug$2('run(): got options: %O', options);

	  fn = fn || function () {};

	  var end = function end() {
	    debug$2('run(): root suite completed; emitting %s', constants$3.EVENT_RUN_END);

	    _this2.emit(constants$3.EVENT_RUN_END);
	  };

	  var begin = function begin() {
	    debug$2('run(): emitting %s', constants$3.EVENT_RUN_BEGIN);

	    _this2.emit(constants$3.EVENT_RUN_BEGIN);

	    debug$2('run(): emitted %s', constants$3.EVENT_RUN_BEGIN);

	    _this2.runSuite(rootSuite, /*#__PURE__*/_asyncToGenerator( /*#__PURE__*/regeneratorRuntime.mark(function _callee() {
	      return regeneratorRuntime.wrap(function _callee$(_context) {
	        while (1) {
	          switch (_context.prev = _context.next) {
	            case 0:
	              end();

	            case 1:
	            case "end":
	              return _context.stop();
	          }
	        }
	      }, _callee);
	    })));
	  };

	  var prepare = function prepare() {
	    debug$2('run(): starting'); // If there is an `only` filter

	    if (rootSuite.hasOnly()) {
	      rootSuite.filterOnly();
	      debug$2('run(): filtered exclusive Runnables');
	    }

	    _this2.state = constants$3.STATE_RUNNING;

	    if (_this2._delay) {
	      _this2.emit(constants$3.EVENT_DELAY_END);

	      debug$2('run(): "delay" ended');
	    }

	    return begin();
	  }; // references cleanup to avoid memory leaks


	  if (this._opts.cleanReferencesAfterRun) {
	    this.on(constants$3.EVENT_SUITE_END, function (suite) {
	      suite.cleanReferences();
	    });
	  } // callback


	  this.on(constants$3.EVENT_RUN_END, function () {
	    this.state = constants$3.STATE_STOPPED;
	    debug$2('run(): emitted %s', constants$3.EVENT_RUN_END);
	    fn(this.failures);
	  });

	  this._removeEventListener(process$1, 'uncaughtException', this.uncaught);

	  this._removeEventListener(process$1, 'unhandledRejection', this.uncaught);

	  this._addEventListener(process$1, 'uncaughtException', this.uncaught);

	  this._addEventListener(process$1, 'unhandledRejection', this.uncaught);

	  if (this._delay) {
	    // for reporters, I guess.
	    // might be nice to debounce some dots while we wait.
	    this.emit(constants$3.EVENT_DELAY_BEGIN, rootSuite);
	    rootSuite.once(EVENT_ROOT_SUITE_RUN, prepare);
	    debug$2('run(): waiting for green light due to --delay');
	  } else {
	    Runner.immediately(prepare);
	  }

	  return this;
	};
	/**
	 * Toggle partial object linking behavior; used for building object references from
	 * unique ID's. Does nothing in serial mode, because the object references already exist.
	 * Subclasses can implement this (e.g., `ParallelBufferedRunner`)
	 * @abstract
	 * @param {boolean} [value] - If `true`, enable partial object linking, otherwise disable
	 * @returns {Runner}
	 * @chainable
	 * @public
	 * @example
	 * // this reporter needs proper object references when run in parallel mode
	 * class MyReporter() {
	 *   constructor(runner) {
	 *     this.runner.linkPartialObjects(true)
	 *       .on(EVENT_SUITE_BEGIN, suite => {
	           // this Suite may be the same object...
	 *       })
	 *       .on(EVENT_TEST_BEGIN, test => {
	 *         // ...as the `test.parent` property
	 *       });
	 *   }
	 * }
	 */


	Runner.prototype.linkPartialObjects = function (value) {
	  return this;
	};
	/*
	 * Like {@link Runner#run}, but does not accept a callback and returns a `Promise` instead of a `Runner`.
	 * This function cannot reject; an `unhandledRejection` event will bubble up to the `process` object instead.
	 * @public
	 * @memberof Runner
	 * @param {Object} [opts] - Options for {@link Runner#run}
	 * @returns {Promise<number>} Failure count
	 */


	Runner.prototype.runAsync = /*#__PURE__*/function () {
	  var _runAsync = _asyncToGenerator( /*#__PURE__*/regeneratorRuntime.mark(function _callee2() {
	    var _this3 = this;

	    var opts,
	        _args2 = arguments;
	    return regeneratorRuntime.wrap(function _callee2$(_context2) {
	      while (1) {
	        switch (_context2.prev = _context2.next) {
	          case 0:
	            opts = _args2.length > 0 && _args2[0] !== undefined ? _args2[0] : {};
	            return _context2.abrupt("return", new Promise(function (resolve) {
	              _this3.run(resolve, opts);
	            }));

	          case 2:
	          case "end":
	            return _context2.stop();
	        }
	      }
	    }, _callee2);
	  }));

	  function runAsync() {
	    return _runAsync.apply(this, arguments);
	  }

	  return runAsync;
	}();
	/**
	 * Cleanly abort execution.
	 *
	 * @memberof Runner
	 * @public
	 * @return {Runner} Runner instance.
	 */


	Runner.prototype.abort = function () {
	  debug$2('abort(): aborting');
	  this._abort = true;
	  return this;
	};
	/**
	 * Returns `true` if Mocha is running in parallel mode.  For reporters.
	 *
	 * Subclasses should return an appropriate value.
	 * @public
	 * @returns {false}
	 */


	Runner.prototype.isParallelMode = function isParallelMode() {
	  return false;
	};
	/**
	 * Configures an alternate reporter for worker processes to use. Subclasses
	 * using worker processes should implement this.
	 * @public
	 * @param {string} path - Absolute path to alternate reporter for worker processes to use
	 * @returns {Runner}
	 * @throws When in serial mode
	 * @chainable
	 * @abstract
	 */


	Runner.prototype.workerReporter = function () {
	  throw createUnsupportedError$1('workerReporter() not supported in serial mode');
	};
	/**
	 * Filter leaks with the given globals flagged as `ok`.
	 *
	 * @private
	 * @param {Array} ok
	 * @param {Array} globals
	 * @return {Array}
	 */


	function filterLeaks(ok, globals) {
	  return globals.filter(function (key) {
	    // Firefox and Chrome exposes iframes as index inside the window object
	    if (/^\d+/.test(key)) {
	      return false;
	    } // in firefox
	    // if runner runs in an iframe, this iframe's window.getInterface method
	    // not init at first it is assigned in some seconds


	    if (commonjsGlobal.navigator && /^getInterface/.test(key)) {
	      return false;
	    } // an iframe could be approached by window[iframeIndex]
	    // in ie6,7,8 and opera, iframeIndex is enumerable, this could cause leak


	    if (commonjsGlobal.navigator && /^\d+/.test(key)) {
	      return false;
	    } // Opera and IE expose global variables for HTML element IDs (issue #243)


	    if (/^mocha-/.test(key)) {
	      return false;
	    }

	    var matched = ok.filter(function (ok) {
	      if (~ok.indexOf('*')) {
	        return key.indexOf(ok.split('*')[0]) === 0;
	      }

	      return key === ok;
	    });
	    return !matched.length && (!commonjsGlobal.navigator || key !== 'onerror');
	  });
	}
	/**
	 * Check if argument is an instance of Error object or a duck-typed equivalent.
	 *
	 * @private
	 * @param {Object} err - object to check
	 * @param {string} err.message - error message
	 * @returns {boolean}
	 */


	function isError$1(err) {
	  return err instanceof Error || err && typeof err.message === 'string';
	}
	/**
	 *
	 * Converts thrown non-extensible type into proper Error.
	 *
	 * @private
	 * @param {*} thrown - Non-extensible type thrown by code
	 * @return {Error}
	 */


	function thrown2Error(err) {
	  return new Error("the ".concat(utils.canonicalType(err), " ").concat(stringify(err), " was thrown, throw an Error :)"));
	}

	Runner.constants = constants$3;
	/**
	 * Node.js' `EventEmitter`
	 * @external EventEmitter
	 * @see {@link https://nodejs.org/api/events.html#events_class_eventemitter}
	 */

	var runner$1 = Runner;

	var base = createCommonjsModule(function (module, exports) {
	  /**
	   * @module Base
	   */

	  /**
	   * Module dependencies.
	   */

	  var constants = runner$1.constants;
	  var EVENT_TEST_PASS = constants.EVENT_TEST_PASS;
	  var EVENT_TEST_FAIL = constants.EVENT_TEST_FAIL;
	  var isBrowser = utils.isBrowser();

	  function getBrowserWindowSize() {
	    if ('innerHeight' in commonjsGlobal) {
	      return [commonjsGlobal.innerHeight, commonjsGlobal.innerWidth];
	    } // In a Web Worker, the DOM Window is not available.


	    return [640, 480];
	  }
	  /**
	   * Expose `Base`.
	   */


	  exports = module.exports = Base;
	  /**
	   * Check if both stdio streams are associated with a tty.
	   */

	  var isatty = isBrowser || process$1.stdout.isTTY && process$1.stderr.isTTY;
	  /**
	   * Save log references to avoid tests interfering (see GH-3604).
	   */

	  var consoleLog = console.log;
	  /**
	   * Enable coloring by default, except in the browser interface.
	   */

	  exports.useColors = !isBrowser && (require$$11.stdout || process$1.env.MOCHA_COLORS !== undefined);
	  /**
	   * Inline diffs instead of +/-
	   */

	  exports.inlineDiffs = false;
	  /**
	   * Default color map.
	   */

	  exports.colors = {
	    pass: 90,
	    fail: 31,
	    'bright pass': 92,
	    'bright fail': 91,
	    'bright yellow': 93,
	    pending: 36,
	    suite: 0,
	    'error title': 0,
	    'error message': 31,
	    'error stack': 90,
	    checkmark: 32,
	    fast: 90,
	    medium: 33,
	    slow: 31,
	    green: 32,
	    light: 90,
	    'diff gutter': 90,
	    'diff added': 32,
	    'diff removed': 31,
	    'diff added inline': '30;42',
	    'diff removed inline': '30;41'
	  };
	  /**
	   * Default symbol map.
	   */

	  exports.symbols = {
	    ok: '✓',
	    err: '✖',
	    dot: '․',
	    comma: ',',
	    bang: '!'
	  }; // With node.js on Windows: use symbols available in terminal default fonts

	  if (process$1.platform === 'win32') {
	    exports.symbols.ok = "\u221A";
	    exports.symbols.err = "\xD7";
	    exports.symbols.dot = '.';
	  }
	  /**
	   * Color `str` with the given `type`,
	   * allowing colors to be disabled,
	   * as well as user-defined color
	   * schemes.
	   *
	   * @private
	   * @param {string} type
	   * @param {string} str
	   * @return {string}
	   */


	  var color = exports.color = function (type, str) {
	    if (!exports.useColors) {
	      return String(str);
	    }

	    return "\x1B[" + exports.colors[type] + 'm' + str + "\x1B[0m";
	  };
	  /**
	   * Expose term window size, with some defaults for when stderr is not a tty.
	   */


	  exports.window = {
	    width: 75
	  };

	  if (isatty) {
	    if (isBrowser) {
	      exports.window.width = getBrowserWindowSize()[1];
	    } else {
	      exports.window.width = process$1.stdout.getWindowSize(1)[0];
	    }
	  }
	  /**
	   * Expose some basic cursor interactions that are common among reporters.
	   */


	  exports.cursor = {
	    hide: function hide() {
	      isatty && process$1.stdout.write("\x1B[?25l");
	    },
	    show: function show() {
	      isatty && process$1.stdout.write("\x1B[?25h");
	    },
	    deleteLine: function deleteLine() {
	      isatty && process$1.stdout.write("\x1B[2K");
	    },
	    beginningOfLine: function beginningOfLine() {
	      isatty && process$1.stdout.write("\x1B[0G");
	    },
	    CR: function CR() {
	      if (isatty) {
	        exports.cursor.deleteLine();
	        exports.cursor.beginningOfLine();
	      } else {
	        process$1.stdout.write('\r');
	      }
	    }
	  };

	  var showDiff = exports.showDiff = function (err) {
	    return err && err.showDiff !== false && sameType(err.actual, err.expected) && err.expected !== undefined;
	  };

	  function stringifyDiffObjs(err) {
	    if (!utils.isString(err.actual) || !utils.isString(err.expected)) {
	      err.actual = utils.stringify(err.actual);
	      err.expected = utils.stringify(err.expected);
	    }
	  }
	  /**
	   * Returns a diff between 2 strings with coloured ANSI output.
	   *
	   * @description
	   * The diff will be either inline or unified dependent on the value
	   * of `Base.inlineDiff`.
	   *
	   * @param {string} actual
	   * @param {string} expected
	   * @return {string} Diff
	   */


	  var generateDiff = exports.generateDiff = function (actual, expected) {
	    try {
	      return exports.inlineDiffs ? inlineDiff(actual, expected) : unifiedDiff(actual, expected);
	    } catch (err) {
	      var msg = '\n      ' + color('diff added', '+ expected') + ' ' + color('diff removed', '- actual:  failed to generate Mocha diff') + '\n';
	      return msg;
	    }
	  };
	  /**
	   * Outputs the given `failures` as a list.
	   *
	   * @public
	   * @memberof Mocha.reporters.Base
	   * @variation 1
	   * @param {Object[]} failures - Each is Test instance with corresponding
	   *     Error property
	   */


	  exports.list = function (failures) {
	    var multipleErr, multipleTest;
	    Base.consoleLog();
	    failures.forEach(function (test, i) {
	      // format
	      var fmt = color('error title', '  %s) %s:\n') + color('error message', '     %s') + color('error stack', '\n%s\n'); // msg

	      var msg;
	      var err;

	      if (test.err && test.err.multiple) {
	        if (multipleTest !== test) {
	          multipleTest = test;
	          multipleErr = [test.err].concat(test.err.multiple);
	        }

	        err = multipleErr.shift();
	      } else {
	        err = test.err;
	      }

	      var message;

	      if (err.message && typeof err.message.toString === 'function') {
	        message = err.message + '';
	      } else if (typeof err.inspect === 'function') {
	        message = err.inspect() + '';
	      } else {
	        message = '';
	      }

	      var stack = err.stack || message;
	      var index = message ? stack.indexOf(message) : -1;

	      if (index === -1) {
	        msg = message;
	      } else {
	        index += message.length;
	        msg = stack.slice(0, index); // remove msg from stack

	        stack = stack.slice(index + 1);
	      } // uncaught


	      if (err.uncaught) {
	        msg = 'Uncaught ' + msg;
	      } // explicitly show diff


	      if (!exports.hideDiff && showDiff(err)) {
	        stringifyDiffObjs(err);
	        fmt = color('error title', '  %s) %s:\n%s') + color('error stack', '\n%s\n');
	        var match = message.match(/^([^:]+): expected/);
	        msg = '\n      ' + color('error message', match ? match[1] : msg);
	        msg += generateDiff(err.actual, err.expected);
	      } // indent stack trace


	      stack = stack.replace(/^/gm, '  '); // indented test title

	      var testTitle = '';
	      test.titlePath().forEach(function (str, index) {
	        if (index !== 0) {
	          testTitle += '\n     ';
	        }

	        for (var i = 0; i < index; i++) {
	          testTitle += '  ';
	        }

	        testTitle += str;
	      });
	      Base.consoleLog(fmt, i + 1, testTitle, msg, stack);
	    });
	  };
	  /**
	   * Constructs a new `Base` reporter instance.
	   *
	   * @description
	   * All other reporters generally inherit from this reporter.
	   *
	   * @public
	   * @class
	   * @memberof Mocha.reporters
	   * @param {Runner} runner - Instance triggers reporter actions.
	   * @param {Object} [options] - runner options
	   */


	  function Base(runner, options) {
	    var failures = this.failures = [];

	    if (!runner) {
	      throw new TypeError('Missing runner argument');
	    }

	    this.options = options || {};
	    this.runner = runner;
	    this.stats = runner.stats; // assigned so Reporters keep a closer reference

	    runner.on(EVENT_TEST_PASS, function (test) {
	      if (test.duration > test.slow()) {
	        test.speed = 'slow';
	      } else if (test.duration > test.slow() / 2) {
	        test.speed = 'medium';
	      } else {
	        test.speed = 'fast';
	      }
	    });
	    runner.on(EVENT_TEST_FAIL, function (test, err) {
	      if (showDiff(err)) {
	        stringifyDiffObjs(err);
	      } // more than one error per test


	      if (test.err && err instanceof Error) {
	        test.err.multiple = (test.err.multiple || []).concat(err);
	      } else {
	        test.err = err;
	      }

	      failures.push(test);
	    });
	  }
	  /**
	   * Outputs common epilogue used by many of the bundled reporters.
	   *
	   * @public
	   * @memberof Mocha.reporters
	   */


	  Base.prototype.epilogue = function () {
	    var stats = this.stats;
	    var fmt;
	    Base.consoleLog(); // passes

	    fmt = color('bright pass', ' ') + color('green', ' %d passing') + color('light', ' (%s)');
	    Base.consoleLog(fmt, stats.passes || 0, ms(stats.duration)); // pending

	    if (stats.pending) {
	      fmt = color('pending', ' ') + color('pending', ' %d pending');
	      Base.consoleLog(fmt, stats.pending);
	    } // failures


	    if (stats.failures) {
	      fmt = color('fail', '  %d failing');
	      Base.consoleLog(fmt, stats.failures);
	      Base.list(this.failures);
	      Base.consoleLog();
	    }

	    Base.consoleLog();
	  };
	  /**
	   * Pads the given `str` to `len`.
	   *
	   * @private
	   * @param {string} str
	   * @param {string} len
	   * @return {string}
	   */


	  function pad(str, len) {
	    str = String(str);
	    return Array(len - str.length + 1).join(' ') + str;
	  }
	  /**
	   * Returns inline diff between 2 strings with coloured ANSI output.
	   *
	   * @private
	   * @param {String} actual
	   * @param {String} expected
	   * @return {string} Diff
	   */


	  function inlineDiff(actual, expected) {
	    var msg = errorDiff(actual, expected); // linenos

	    var lines = msg.split('\n');

	    if (lines.length > 4) {
	      var width = String(lines.length).length;
	      msg = lines.map(function (str, i) {
	        return pad(++i, width) + ' |' + ' ' + str;
	      }).join('\n');
	    } // legend


	    msg = '\n' + color('diff removed inline', 'actual') + ' ' + color('diff added inline', 'expected') + '\n\n' + msg + '\n'; // indent

	    msg = msg.replace(/^/gm, '      ');
	    return msg;
	  }
	  /**
	   * Returns unified diff between two strings with coloured ANSI output.
	   *
	   * @private
	   * @param {String} actual
	   * @param {String} expected
	   * @return {string} The diff.
	   */


	  function unifiedDiff(actual, expected) {
	    var indent = '      ';

	    function cleanUp(line) {
	      if (line[0] === '+') {
	        return indent + colorLines('diff added', line);
	      }

	      if (line[0] === '-') {
	        return indent + colorLines('diff removed', line);
	      }

	      if (line.match(/@@/)) {
	        return '--';
	      }

	      if (line.match(/\\ No newline/)) {
	        return null;
	      }

	      return indent + line;
	    }

	    function notBlank(line) {
	      return typeof line !== 'undefined' && line !== null;
	    }

	    var msg = diff.createPatch('string', actual, expected);
	    var lines = msg.split('\n').splice(5);
	    return '\n      ' + colorLines('diff added', '+ expected') + ' ' + colorLines('diff removed', '- actual') + '\n\n' + lines.map(cleanUp).filter(notBlank).join('\n');
	  }
	  /**
	   * Returns character diff for `err`.
	   *
	   * @private
	   * @param {String} actual
	   * @param {String} expected
	   * @return {string} the diff
	   */


	  function errorDiff(actual, expected) {
	    return diff.diffWordsWithSpace(actual, expected).map(function (str) {
	      if (str.added) {
	        return colorLines('diff added inline', str.value);
	      }

	      if (str.removed) {
	        return colorLines('diff removed inline', str.value);
	      }

	      return str.value;
	    }).join('');
	  }
	  /**
	   * Colors lines for `str`, using the color `name`.
	   *
	   * @private
	   * @param {string} name
	   * @param {string} str
	   * @return {string}
	   */


	  function colorLines(name, str) {
	    return str.split('\n').map(function (str) {
	      return color(name, str);
	    }).join('\n');
	  }
	  /**
	   * Object#toString reference.
	   */


	  var objToString = Object.prototype.toString;
	  /**
	   * Checks that a / b have the same type.
	   *
	   * @private
	   * @param {Object} a
	   * @param {Object} b
	   * @return {boolean}
	   */

	  function sameType(a, b) {
	    return objToString.call(a) === objToString.call(b);
	  }

	  Base.consoleLog = consoleLog;
	  Base["abstract"] = true;
	});

	var dot = createCommonjsModule(function (module, exports) {
	  /**
	   * @module Dot
	   */

	  /**
	   * Module dependencies.
	   */

	  var inherits = utils.inherits;
	  var constants = runner$1.constants;
	  var EVENT_TEST_PASS = constants.EVENT_TEST_PASS;
	  var EVENT_TEST_FAIL = constants.EVENT_TEST_FAIL;
	  var EVENT_RUN_BEGIN = constants.EVENT_RUN_BEGIN;
	  var EVENT_TEST_PENDING = constants.EVENT_TEST_PENDING;
	  var EVENT_RUN_END = constants.EVENT_RUN_END;
	  /**
	   * Expose `Dot`.
	   */

	  exports = module.exports = Dot;
	  /**
	   * Constructs a new `Dot` reporter instance.
	   *
	   * @public
	   * @class
	   * @memberof Mocha.reporters
	   * @extends Mocha.reporters.Base
	   * @param {Runner} runner - Instance triggers reporter actions.
	   * @param {Object} [options] - runner options
	   */

	  function Dot(runner, options) {
	    base.call(this, runner, options);
	    var self = this;
	    var width = base.window.width * 0.75 | 0;
	    var n = -1;
	    runner.on(EVENT_RUN_BEGIN, function () {
	      process$1.stdout.write('\n');
	    });
	    runner.on(EVENT_TEST_PENDING, function () {
	      if (++n % width === 0) {
	        process$1.stdout.write('\n  ');
	      }

	      process$1.stdout.write(base.color('pending', base.symbols.comma));
	    });
	    runner.on(EVENT_TEST_PASS, function (test) {
	      if (++n % width === 0) {
	        process$1.stdout.write('\n  ');
	      }

	      if (test.speed === 'slow') {
	        process$1.stdout.write(base.color('bright yellow', base.symbols.dot));
	      } else {
	        process$1.stdout.write(base.color(test.speed, base.symbols.dot));
	      }
	    });
	    runner.on(EVENT_TEST_FAIL, function () {
	      if (++n % width === 0) {
	        process$1.stdout.write('\n  ');
	      }

	      process$1.stdout.write(base.color('fail', base.symbols.bang));
	    });
	    runner.once(EVENT_RUN_END, function () {
	      process$1.stdout.write('\n');
	      self.epilogue();
	    });
	  }
	  /**
	   * Inherit from `Base.prototype`.
	   */


	  inherits(Dot, base);
	  Dot.description = 'dot matrix representation';
	});

	var doc = createCommonjsModule(function (module, exports) {
	  /**
	   * @module Doc
	   */

	  /**
	   * Module dependencies.
	   */

	  var constants = runner$1.constants;
	  var EVENT_TEST_PASS = constants.EVENT_TEST_PASS;
	  var EVENT_TEST_FAIL = constants.EVENT_TEST_FAIL;
	  var EVENT_SUITE_BEGIN = constants.EVENT_SUITE_BEGIN;
	  var EVENT_SUITE_END = constants.EVENT_SUITE_END;
	  /**
	   * Expose `Doc`.
	   */

	  exports = module.exports = Doc;
	  /**
	   * Constructs a new `Doc` reporter instance.
	   *
	   * @public
	   * @class
	   * @memberof Mocha.reporters
	   * @extends Mocha.reporters.Base
	   * @param {Runner} runner - Instance triggers reporter actions.
	   * @param {Object} [options] - runner options
	   */

	  function Doc(runner, options) {
	    base.call(this, runner, options);
	    var indents = 2;

	    function indent() {
	      return Array(indents).join('  ');
	    }

	    runner.on(EVENT_SUITE_BEGIN, function (suite) {
	      if (suite.root) {
	        return;
	      }

	      ++indents;
	      base.consoleLog('%s<section class="suite">', indent());
	      ++indents;
	      base.consoleLog('%s<h1>%s</h1>', indent(), utils.escape(suite.title));
	      base.consoleLog('%s<dl>', indent());
	    });
	    runner.on(EVENT_SUITE_END, function (suite) {
	      if (suite.root) {
	        return;
	      }

	      base.consoleLog('%s</dl>', indent());
	      --indents;
	      base.consoleLog('%s</section>', indent());
	      --indents;
	    });
	    runner.on(EVENT_TEST_PASS, function (test) {
	      base.consoleLog('%s  <dt>%s</dt>', indent(), utils.escape(test.title));
	      base.consoleLog('%s  <dt>%s</dt>', indent(), utils.escape(test.file));
	      var code = utils.escape(utils.clean(test.body));
	      base.consoleLog('%s  <dd><pre><code>%s</code></pre></dd>', indent(), code);
	    });
	    runner.on(EVENT_TEST_FAIL, function (test, err) {
	      base.consoleLog('%s  <dt class="error">%s</dt>', indent(), utils.escape(test.title));
	      base.consoleLog('%s  <dt class="error">%s</dt>', indent(), utils.escape(test.file));
	      var code = utils.escape(utils.clean(test.body));
	      base.consoleLog('%s  <dd class="error"><pre><code>%s</code></pre></dd>', indent(), code);
	      base.consoleLog('%s  <dd class="error">%s</dd>', indent(), utils.escape(err));
	    });
	  }

	  Doc.description = 'HTML documentation';
	});

	var tap = createCommonjsModule(function (module, exports) {
	  /**
	   * @module TAP
	   */

	  /**
	   * Module dependencies.
	   */

	  var constants = runner$1.constants;
	  var EVENT_TEST_PASS = constants.EVENT_TEST_PASS;
	  var EVENT_TEST_FAIL = constants.EVENT_TEST_FAIL;
	  var EVENT_RUN_BEGIN = constants.EVENT_RUN_BEGIN;
	  var EVENT_RUN_END = constants.EVENT_RUN_END;
	  var EVENT_TEST_PENDING = constants.EVENT_TEST_PENDING;
	  var EVENT_TEST_END = constants.EVENT_TEST_END;
	  var inherits = utils.inherits;
	  var sprintf = util.format;
	  /**
	   * Expose `TAP`.
	   */

	  exports = module.exports = TAP;
	  /**
	   * Constructs a new `TAP` reporter instance.
	   *
	   * @public
	   * @class
	   * @memberof Mocha.reporters
	   * @extends Mocha.reporters.Base
	   * @param {Runner} runner - Instance triggers reporter actions.
	   * @param {Object} [options] - runner options
	   */

	  function TAP(runner, options) {
	    base.call(this, runner, options);
	    var self = this;
	    var n = 1;
	    var tapVersion = '12';

	    if (options && options.reporterOptions) {
	      if (options.reporterOptions.tapVersion) {
	        tapVersion = options.reporterOptions.tapVersion.toString();
	      }
	    }

	    this._producer = createProducer(tapVersion);
	    runner.once(EVENT_RUN_BEGIN, function () {
	      self._producer.writeVersion();
	    });
	    runner.on(EVENT_TEST_END, function () {
	      ++n;
	    });
	    runner.on(EVENT_TEST_PENDING, function (test) {
	      self._producer.writePending(n, test);
	    });
	    runner.on(EVENT_TEST_PASS, function (test) {
	      self._producer.writePass(n, test);
	    });
	    runner.on(EVENT_TEST_FAIL, function (test, err) {
	      self._producer.writeFail(n, test, err);
	    });
	    runner.once(EVENT_RUN_END, function () {
	      self._producer.writeEpilogue(runner.stats);
	    });
	  }
	  /**
	   * Inherit from `Base.prototype`.
	   */


	  inherits(TAP, base);
	  /**
	   * Returns a TAP-safe title of `test`.
	   *
	   * @private
	   * @param {Test} test - Test instance.
	   * @return {String} title with any hash character removed
	   */

	  function title(test) {
	    return test.fullTitle().replace(/#/g, '');
	  }
	  /**
	   * Writes newline-terminated formatted string to reporter output stream.
	   *
	   * @private
	   * @param {string} format - `printf`-like format string
	   * @param {...*} [varArgs] - Format string arguments
	   */


	  function println(format, varArgs) {
	    var vargs = Array.from(arguments);
	    vargs[0] += '\n';
	    process$1.stdout.write(sprintf.apply(null, vargs));
	  }
	  /**
	   * Returns a `tapVersion`-appropriate TAP producer instance, if possible.
	   *
	   * @private
	   * @param {string} tapVersion - Version of TAP specification to produce.
	   * @returns {TAPProducer} specification-appropriate instance
	   * @throws {Error} if specification version has no associated producer.
	   */


	  function createProducer(tapVersion) {
	    var producers = {
	      '12': new TAP12Producer(),
	      '13': new TAP13Producer()
	    };
	    var producer = producers[tapVersion];

	    if (!producer) {
	      throw new Error('invalid or unsupported TAP version: ' + JSON.stringify(tapVersion));
	    }

	    return producer;
	  }
	  /**
	   * @summary
	   * Constructs a new TAPProducer.
	   *
	   * @description
	   * <em>Only</em> to be used as an abstract base class.
	   *
	   * @private
	   * @constructor
	   */


	  function TAPProducer() {}
	  /**
	   * Writes the TAP version to reporter output stream.
	   *
	   * @abstract
	   */


	  TAPProducer.prototype.writeVersion = function () {};
	  /**
	   * Writes the plan to reporter output stream.
	   *
	   * @abstract
	   * @param {number} ntests - Number of tests that are planned to run.
	   */


	  TAPProducer.prototype.writePlan = function (ntests) {
	    println('%d..%d', 1, ntests);
	  };
	  /**
	   * Writes that test passed to reporter output stream.
	   *
	   * @abstract
	   * @param {number} n - Index of test that passed.
	   * @param {Test} test - Instance containing test information.
	   */


	  TAPProducer.prototype.writePass = function (n, test) {
	    println('ok %d %s', n, title(test));
	  };
	  /**
	   * Writes that test was skipped to reporter output stream.
	   *
	   * @abstract
	   * @param {number} n - Index of test that was skipped.
	   * @param {Test} test - Instance containing test information.
	   */


	  TAPProducer.prototype.writePending = function (n, test) {
	    println('ok %d %s # SKIP -', n, title(test));
	  };
	  /**
	   * Writes that test failed to reporter output stream.
	   *
	   * @abstract
	   * @param {number} n - Index of test that failed.
	   * @param {Test} test - Instance containing test information.
	   * @param {Error} err - Reason the test failed.
	   */


	  TAPProducer.prototype.writeFail = function (n, test, err) {
	    println('not ok %d %s', n, title(test));
	  };
	  /**
	   * Writes the summary epilogue to reporter output stream.
	   *
	   * @abstract
	   * @param {Object} stats - Object containing run statistics.
	   */


	  TAPProducer.prototype.writeEpilogue = function (stats) {
	    // :TBD: Why is this not counting pending tests?
	    println('# tests ' + (stats.passes + stats.failures));
	    println('# pass ' + stats.passes); // :TBD: Why are we not showing pending results?

	    println('# fail ' + stats.failures);
	    this.writePlan(stats.passes + stats.failures + stats.pending);
	  };
	  /**
	   * @summary
	   * Constructs a new TAP12Producer.
	   *
	   * @description
	   * Produces output conforming to the TAP12 specification.
	   *
	   * @private
	   * @constructor
	   * @extends TAPProducer
	   * @see {@link https://testanything.org/tap-specification.html|Specification}
	   */


	  function TAP12Producer() {
	    /**
	     * Writes that test failed to reporter output stream, with error formatting.
	     * @override
	     */
	    this.writeFail = function (n, test, err) {
	      TAPProducer.prototype.writeFail.call(this, n, test, err);

	      if (err.message) {
	        println(err.message.replace(/^/gm, '  '));
	      }

	      if (err.stack) {
	        println(err.stack.replace(/^/gm, '  '));
	      }
	    };
	  }
	  /**
	   * Inherit from `TAPProducer.prototype`.
	   */


	  inherits(TAP12Producer, TAPProducer);
	  /**
	   * @summary
	   * Constructs a new TAP13Producer.
	   *
	   * @description
	   * Produces output conforming to the TAP13 specification.
	   *
	   * @private
	   * @constructor
	   * @extends TAPProducer
	   * @see {@link https://testanything.org/tap-version-13-specification.html|Specification}
	   */

	  function TAP13Producer() {
	    /**
	     * Writes the TAP version to reporter output stream.
	     * @override
	     */
	    this.writeVersion = function () {
	      println('TAP version 13');
	    };
	    /**
	     * Writes that test failed to reporter output stream, with error formatting.
	     * @override
	     */


	    this.writeFail = function (n, test, err) {
	      TAPProducer.prototype.writeFail.call(this, n, test, err);
	      var emitYamlBlock = err.message != null || err.stack != null;

	      if (emitYamlBlock) {
	        println(indent(1) + '---');

	        if (err.message) {
	          println(indent(2) + 'message: |-');
	          println(err.message.replace(/^/gm, indent(3)));
	        }

	        if (err.stack) {
	          println(indent(2) + 'stack: |-');
	          println(err.stack.replace(/^/gm, indent(3)));
	        }

	        println(indent(1) + '...');
	      }
	    };

	    function indent(level) {
	      return Array(level + 1).join('  ');
	    }
	  }
	  /**
	   * Inherit from `TAPProducer.prototype`.
	   */


	  inherits(TAP13Producer, TAPProducer);
	  TAP.description = 'TAP-compatible output';
	});

	var json = createCommonjsModule(function (module, exports) {
	  /**
	   * @module JSON
	   */

	  /**
	   * Module dependencies.
	   */

	  var constants = runner$1.constants;
	  var EVENT_TEST_PASS = constants.EVENT_TEST_PASS;
	  var EVENT_TEST_FAIL = constants.EVENT_TEST_FAIL;
	  var EVENT_TEST_END = constants.EVENT_TEST_END;
	  var EVENT_RUN_END = constants.EVENT_RUN_END;
	  var EVENT_TEST_PENDING = constants.EVENT_TEST_PENDING;
	  /**
	   * Expose `JSON`.
	   */

	  exports = module.exports = JSONReporter;
	  /**
	   * Constructs a new `JSON` reporter instance.
	   *
	   * @public
	   * @class JSON
	   * @memberof Mocha.reporters
	   * @extends Mocha.reporters.Base
	   * @param {Runner} runner - Instance triggers reporter actions.
	   * @param {Object} [options] - runner options
	   */

	  function JSONReporter(runner, options) {
	    base.call(this, runner, options);
	    var self = this;
	    var tests = [];
	    var pending = [];
	    var failures = [];
	    var passes = [];
	    runner.on(EVENT_TEST_END, function (test) {
	      tests.push(test);
	    });
	    runner.on(EVENT_TEST_PASS, function (test) {
	      passes.push(test);
	    });
	    runner.on(EVENT_TEST_FAIL, function (test) {
	      failures.push(test);
	    });
	    runner.on(EVENT_TEST_PENDING, function (test) {
	      pending.push(test);
	    });
	    runner.once(EVENT_RUN_END, function () {
	      var obj = {
	        stats: self.stats,
	        tests: tests.map(clean),
	        pending: pending.map(clean),
	        failures: failures.map(clean),
	        passes: passes.map(clean)
	      };
	      runner.testResults = obj;
	      process$1.stdout.write(JSON.stringify(obj, null, 2));
	    });
	  }
	  /**
	   * Return a plain-object representation of `test`
	   * free of cyclic properties etc.
	   *
	   * @private
	   * @param {Object} test
	   * @return {Object}
	   */


	  function clean(test) {
	    var err = test.err || {};

	    if (err instanceof Error) {
	      err = errorJSON(err);
	    }

	    return {
	      title: test.title,
	      fullTitle: test.fullTitle(),
	      file: test.file,
	      duration: test.duration,
	      currentRetry: test.currentRetry(),
	      speed: test.speed,
	      err: cleanCycles(err)
	    };
	  }
	  /**
	   * Replaces any circular references inside `obj` with '[object Object]'
	   *
	   * @private
	   * @param {Object} obj
	   * @return {Object}
	   */


	  function cleanCycles(obj) {
	    var cache = [];
	    return JSON.parse(JSON.stringify(obj, function (key, value) {
	      if (_typeof(value) === 'object' && value !== null) {
	        if (cache.indexOf(value) !== -1) {
	          // Instead of going in a circle, we'll print [object Object]
	          return '' + value;
	        }

	        cache.push(value);
	      }

	      return value;
	    }));
	  }
	  /**
	   * Transform an Error object into a JSON object.
	   *
	   * @private
	   * @param {Error} err
	   * @return {Object}
	   */


	  function errorJSON(err) {
	    var res = {};
	    Object.getOwnPropertyNames(err).forEach(function (key) {
	      res[key] = err[key];
	    }, err);
	    return res;
	  }

	  JSONReporter.description = 'single JSON object';
	});

	// `thisNumberValue` abstract operation
	// https://tc39.github.io/ecma262/#sec-thisnumbervalue
	var thisNumberValue = function (value) {
	  if (typeof value != 'number' && classofRaw(value) != 'Number') {
	    throw TypeError('Incorrect invocation');
	  }
	  return +value;
	};

	// `String.prototype.repeat` method implementation
	// https://tc39.github.io/ecma262/#sec-string.prototype.repeat
	var stringRepeat = ''.repeat || function repeat(count) {
	  var str = String(requireObjectCoercible(this));
	  var result = '';
	  var n = toInteger(count);
	  if (n < 0 || n == Infinity) throw RangeError('Wrong number of repetitions');
	  for (;n > 0; (n >>>= 1) && (str += str)) if (n & 1) result += str;
	  return result;
	};

	var nativeToFixed = 1.0.toFixed;
	var floor$4 = Math.floor;

	var pow$1 = function (x, n, acc) {
	  return n === 0 ? acc : n % 2 === 1 ? pow$1(x, n - 1, acc * x) : pow$1(x * x, n / 2, acc);
	};

	var log$2 = function (x) {
	  var n = 0;
	  var x2 = x;
	  while (x2 >= 4096) {
	    n += 12;
	    x2 /= 4096;
	  }
	  while (x2 >= 2) {
	    n += 1;
	    x2 /= 2;
	  } return n;
	};

	var FORCED$8 = nativeToFixed && (
	  0.00008.toFixed(3) !== '0.000' ||
	  0.9.toFixed(0) !== '1' ||
	  1.255.toFixed(2) !== '1.25' ||
	  1000000000000000128.0.toFixed(0) !== '1000000000000000128'
	) || !fails(function () {
	  // V8 ~ Android 4.3-
	  nativeToFixed.call({});
	});

	// `Number.prototype.toFixed` method
	// https://tc39.github.io/ecma262/#sec-number.prototype.tofixed
	_export({ target: 'Number', proto: true, forced: FORCED$8 }, {
	  // eslint-disable-next-line max-statements
	  toFixed: function toFixed(fractionDigits) {
	    var number = thisNumberValue(this);
	    var fractDigits = toInteger(fractionDigits);
	    var data = [0, 0, 0, 0, 0, 0];
	    var sign = '';
	    var result = '0';
	    var e, z, j, k;

	    var multiply = function (n, c) {
	      var index = -1;
	      var c2 = c;
	      while (++index < 6) {
	        c2 += n * data[index];
	        data[index] = c2 % 1e7;
	        c2 = floor$4(c2 / 1e7);
	      }
	    };

	    var divide = function (n) {
	      var index = 6;
	      var c = 0;
	      while (--index >= 0) {
	        c += data[index];
	        data[index] = floor$4(c / n);
	        c = (c % n) * 1e7;
	      }
	    };

	    var dataToString = function () {
	      var index = 6;
	      var s = '';
	      while (--index >= 0) {
	        if (s !== '' || index === 0 || data[index] !== 0) {
	          var t = String(data[index]);
	          s = s === '' ? t : s + stringRepeat.call('0', 7 - t.length) + t;
	        }
	      } return s;
	    };

	    if (fractDigits < 0 || fractDigits > 20) throw RangeError('Incorrect fraction digits');
	    // eslint-disable-next-line no-self-compare
	    if (number != number) return 'NaN';
	    if (number <= -1e21 || number >= 1e21) return String(number);
	    if (number < 0) {
	      sign = '-';
	      number = -number;
	    }
	    if (number > 1e-21) {
	      e = log$2(number * pow$1(2, 69, 1)) - 69;
	      z = e < 0 ? number * pow$1(2, -e, 1) : number / pow$1(2, e, 1);
	      z *= 0x10000000000000;
	      e = 52 - e;
	      if (e > 0) {
	        multiply(0, z);
	        j = fractDigits;
	        while (j >= 7) {
	          multiply(1e7, 0);
	          j -= 7;
	        }
	        multiply(pow$1(10, j, 1), 0);
	        j = e - 1;
	        while (j >= 23) {
	          divide(1 << 23);
	          j -= 23;
	        }
	        divide(1 << j);
	        multiply(1, 1);
	        divide(2);
	        result = dataToString();
	      } else {
	        multiply(0, z);
	        multiply(1 << -e, 0);
	        result = dataToString() + stringRepeat.call('0', fractDigits);
	      }
	    }
	    if (fractDigits > 0) {
	      k = result.length;
	      result = sign + (k <= fractDigits
	        ? '0.' + stringRepeat.call('0', fractDigits - k) + result
	        : result.slice(0, k - fractDigits) + '.' + result.slice(k - fractDigits));
	    } else {
	      result = sign + result;
	    } return result;
	  }
	});

	/**
	 @module browser/Progress
	*/

	/**
	 * Expose `Progress`.
	 */

	var progress = Progress;
	/**
	 * Initialize a new `Progress` indicator.
	 */

	function Progress() {
	  this.percent = 0;
	  this.size(0);
	  this.fontSize(11);
	  this.font('helvetica, arial, sans-serif');
	}
	/**
	 * Set progress size to `size`.
	 *
	 * @public
	 * @param {number} size
	 * @return {Progress} Progress instance.
	 */


	Progress.prototype.size = function (size) {
	  this._size = size;
	  return this;
	};
	/**
	 * Set text to `text`.
	 *
	 * @public
	 * @param {string} text
	 * @return {Progress} Progress instance.
	 */


	Progress.prototype.text = function (text) {
	  this._text = text;
	  return this;
	};
	/**
	 * Set font size to `size`.
	 *
	 * @public
	 * @param {number} size
	 * @return {Progress} Progress instance.
	 */


	Progress.prototype.fontSize = function (size) {
	  this._fontSize = size;
	  return this;
	};
	/**
	 * Set font to `family`.
	 *
	 * @param {string} family
	 * @return {Progress} Progress instance.
	 */


	Progress.prototype.font = function (family) {
	  this._font = family;
	  return this;
	};
	/**
	 * Update percentage to `n`.
	 *
	 * @param {number} n
	 * @return {Progress} Progress instance.
	 */


	Progress.prototype.update = function (n) {
	  this.percent = n;
	  return this;
	};
	/**
	 * Draw on `ctx`.
	 *
	 * @param {CanvasRenderingContext2d} ctx
	 * @return {Progress} Progress instance.
	 */


	Progress.prototype.draw = function (ctx) {
	  try {
	    var percent = Math.min(this.percent, 100);
	    var size = this._size;
	    var half = size / 2;
	    var x = half;
	    var y = half;
	    var rad = half - 1;
	    var fontSize = this._fontSize;
	    ctx.font = fontSize + 'px ' + this._font;
	    var angle = Math.PI * 2 * (percent / 100);
	    ctx.clearRect(0, 0, size, size); // outer circle

	    ctx.strokeStyle = '#9f9f9f';
	    ctx.beginPath();
	    ctx.arc(x, y, rad, 0, angle, false);
	    ctx.stroke(); // inner circle

	    ctx.strokeStyle = '#eee';
	    ctx.beginPath();
	    ctx.arc(x, y, rad - 1, 0, angle, true);
	    ctx.stroke(); // text

	    var text = this._text || (percent | 0) + '%';
	    var w = ctx.measureText(text).width;
	    ctx.fillText(text, x - w / 2 + 1, y + fontSize / 2 - 1);
	  } catch (ignore) {// don't fail if we can't render progress
	  }

	  return this;
	};

	var html$1 = createCommonjsModule(function (module, exports) {
	  /* eslint-env browser */

	  /**
	   * @module HTML
	   */

	  /**
	   * Module dependencies.
	   */

	  var constants = runner$1.constants;
	  var EVENT_TEST_PASS = constants.EVENT_TEST_PASS;
	  var EVENT_TEST_FAIL = constants.EVENT_TEST_FAIL;
	  var EVENT_SUITE_BEGIN = constants.EVENT_SUITE_BEGIN;
	  var EVENT_SUITE_END = constants.EVENT_SUITE_END;
	  var EVENT_TEST_PENDING = constants.EVENT_TEST_PENDING;
	  var escape = utils.escape;
	  /**
	   * Save timer references to avoid Sinon interfering (see GH-237).
	   */

	  var Date = commonjsGlobal.Date;
	  /**
	   * Expose `HTML`.
	   */

	  exports = module.exports = HTML;
	  /**
	   * Stats template.
	   */

	  var statsTemplate = '<ul id="mocha-stats">' + '<li class="progress"><canvas width="40" height="40"></canvas></li>' + '<li class="passes"><a href="javascript:void(0);">passes:</a> <em>0</em></li>' + '<li class="failures"><a href="javascript:void(0);">failures:</a> <em>0</em></li>' + '<li class="duration">duration: <em>0</em>s</li>' + '</ul>';
	  var playIcon = '&#x2023;';
	  /**
	   * Constructs a new `HTML` reporter instance.
	   *
	   * @public
	   * @class
	   * @memberof Mocha.reporters
	   * @extends Mocha.reporters.Base
	   * @param {Runner} runner - Instance triggers reporter actions.
	   * @param {Object} [options] - runner options
	   */

	  function HTML(runner, options) {
	    base.call(this, runner, options);
	    var self = this;
	    var stats = this.stats;
	    var stat = fragment(statsTemplate);
	    var items = stat.getElementsByTagName('li');
	    var passes = items[1].getElementsByTagName('em')[0];
	    var passesLink = items[1].getElementsByTagName('a')[0];
	    var failures = items[2].getElementsByTagName('em')[0];
	    var failuresLink = items[2].getElementsByTagName('a')[0];
	    var duration = items[3].getElementsByTagName('em')[0];
	    var canvas = stat.getElementsByTagName('canvas')[0];
	    var report = fragment('<ul id="mocha-report"></ul>');
	    var stack = [report];
	    var progress$1;
	    var ctx;
	    var root = document.getElementById('mocha');

	    if (canvas.getContext) {
	      var ratio = window.devicePixelRatio || 1;
	      canvas.style.width = canvas.width;
	      canvas.style.height = canvas.height;
	      canvas.width *= ratio;
	      canvas.height *= ratio;
	      ctx = canvas.getContext('2d');
	      ctx.scale(ratio, ratio);
	      progress$1 = new progress();
	    }

	    if (!root) {
	      return error('#mocha div missing, add it to your document');
	    } // pass toggle


	    on(passesLink, 'click', function (evt) {
	      evt.preventDefault();
	      unhide();
	      var name = /pass/.test(report.className) ? '' : ' pass';
	      report.className = report.className.replace(/fail|pass/g, '') + name;

	      if (report.className.trim()) {
	        hideSuitesWithout('test pass');
	      }
	    }); // failure toggle

	    on(failuresLink, 'click', function (evt) {
	      evt.preventDefault();
	      unhide();
	      var name = /fail/.test(report.className) ? '' : ' fail';
	      report.className = report.className.replace(/fail|pass/g, '') + name;

	      if (report.className.trim()) {
	        hideSuitesWithout('test fail');
	      }
	    });
	    root.appendChild(stat);
	    root.appendChild(report);

	    if (progress$1) {
	      progress$1.size(40);
	    }

	    runner.on(EVENT_SUITE_BEGIN, function (suite) {
	      if (suite.root) {
	        return;
	      } // suite


	      var url = self.suiteURL(suite);
	      var el = fragment('<li class="suite"><h1><a href="%s">%s</a></h1></li>', url, escape(suite.title)); // container

	      stack[0].appendChild(el);
	      stack.unshift(document.createElement('ul'));
	      el.appendChild(stack[0]);
	    });
	    runner.on(EVENT_SUITE_END, function (suite) {
	      if (suite.root) {
	        updateStats();
	        return;
	      }

	      stack.shift();
	    });
	    runner.on(EVENT_TEST_PASS, function (test) {
	      var url = self.testURL(test);
	      var markup = '<li class="test pass %e"><h2>%e<span class="duration">%ems</span> ' + '<a href="%s" class="replay">' + playIcon + '</a></h2></li>';
	      var el = fragment(markup, test.speed, test.title, test.duration, url);
	      self.addCodeToggle(el, test.body);
	      appendToStack(el);
	      updateStats();
	    });
	    runner.on(EVENT_TEST_FAIL, function (test) {
	      var el = fragment('<li class="test fail"><h2>%e <a href="%e" class="replay">' + playIcon + '</a></h2></li>', test.title, self.testURL(test));
	      var stackString; // Note: Includes leading newline

	      var message = test.err.toString(); // <=IE7 stringifies to [Object Error]. Since it can be overloaded, we
	      // check for the result of the stringifying.

	      if (message === '[object Error]') {
	        message = test.err.message;
	      }

	      if (test.err.stack) {
	        var indexOfMessage = test.err.stack.indexOf(test.err.message);

	        if (indexOfMessage === -1) {
	          stackString = test.err.stack;
	        } else {
	          stackString = test.err.stack.substr(test.err.message.length + indexOfMessage);
	        }
	      } else if (test.err.sourceURL && test.err.line !== undefined) {
	        // Safari doesn't give you a stack. Let's at least provide a source line.
	        stackString = '\n(' + test.err.sourceURL + ':' + test.err.line + ')';
	      }

	      stackString = stackString || '';

	      if (test.err.htmlMessage && stackString) {
	        el.appendChild(fragment('<div class="html-error">%s\n<pre class="error">%e</pre></div>', test.err.htmlMessage, stackString));
	      } else if (test.err.htmlMessage) {
	        el.appendChild(fragment('<div class="html-error">%s</div>', test.err.htmlMessage));
	      } else {
	        el.appendChild(fragment('<pre class="error">%e%e</pre>', message, stackString));
	      }

	      self.addCodeToggle(el, test.body);
	      appendToStack(el);
	      updateStats();
	    });
	    runner.on(EVENT_TEST_PENDING, function (test) {
	      var el = fragment('<li class="test pass pending"><h2>%e</h2></li>', test.title);
	      appendToStack(el);
	      updateStats();
	    });

	    function appendToStack(el) {
	      // Don't call .appendChild if #mocha-report was already .shift()'ed off the stack.
	      if (stack[0]) {
	        stack[0].appendChild(el);
	      }
	    }

	    function updateStats() {
	      // TODO: add to stats
	      var percent = stats.tests / runner.total * 100 | 0;

	      if (progress$1) {
	        progress$1.update(percent).draw(ctx);
	      } // update stats


	      var ms = new Date() - stats.start;
	      text(passes, stats.passes);
	      text(failures, stats.failures);
	      text(duration, (ms / 1000).toFixed(2));
	    }
	  }
	  /**
	   * Makes a URL, preserving querystring ("search") parameters.
	   *
	   * @param {string} s
	   * @return {string} A new URL.
	   */


	  function makeUrl(s) {
	    var search = window.location.search; // Remove previous grep query parameter if present

	    if (search) {
	      search = search.replace(/[?&]grep=[^&\s]*/g, '').replace(/^&/, '?');
	    }

	    return window.location.pathname + (search ? search + '&' : '?') + 'grep=' + encodeURIComponent(escapeStringRegexp(s));
	  }
	  /**
	   * Provide suite URL.
	   *
	   * @param {Object} [suite]
	   */


	  HTML.prototype.suiteURL = function (suite) {
	    return makeUrl(suite.fullTitle());
	  };
	  /**
	   * Provide test URL.
	   *
	   * @param {Object} [test]
	   */


	  HTML.prototype.testURL = function (test) {
	    return makeUrl(test.fullTitle());
	  };
	  /**
	   * Adds code toggle functionality for the provided test's list element.
	   *
	   * @param {HTMLLIElement} el
	   * @param {string} contents
	   */


	  HTML.prototype.addCodeToggle = function (el, contents) {
	    var h2 = el.getElementsByTagName('h2')[0];
	    on(h2, 'click', function () {
	      pre.style.display = pre.style.display === 'none' ? 'block' : 'none';
	    });
	    var pre = fragment('<pre><code>%e</code></pre>', utils.clean(contents));
	    el.appendChild(pre);
	    pre.style.display = 'none';
	  };
	  /**
	   * Display error `msg`.
	   *
	   * @param {string} msg
	   */


	  function error(msg) {
	    document.body.appendChild(fragment('<div id="mocha-error">%s</div>', msg));
	  }
	  /**
	   * Return a DOM fragment from `html`.
	   *
	   * @param {string} html
	   */


	  function fragment(html) {
	    var args = arguments;
	    var div = document.createElement('div');
	    var i = 1;
	    div.innerHTML = html.replace(/%([se])/g, function (_, type) {
	      switch (type) {
	        case 's':
	          return String(args[i++]);

	        case 'e':
	          return escape(args[i++]);
	        // no default
	      }
	    });
	    return div.firstChild;
	  }
	  /**
	   * Check for suites that do not have elements
	   * with `classname`, and hide them.
	   *
	   * @param {text} classname
	   */


	  function hideSuitesWithout(classname) {
	    var suites = document.getElementsByClassName('suite');

	    for (var i = 0; i < suites.length; i++) {
	      var els = suites[i].getElementsByClassName(classname);

	      if (!els.length) {
	        suites[i].className += ' hidden';
	      }
	    }
	  }
	  /**
	   * Unhide .hidden suites.
	   */


	  function unhide() {
	    var els = document.getElementsByClassName('suite hidden');

	    while (els.length > 0) {
	      els[0].className = els[0].className.replace('suite hidden', 'suite');
	    }
	  }
	  /**
	   * Set an element's text contents.
	   *
	   * @param {HTMLElement} el
	   * @param {string} contents
	   */


	  function text(el, contents) {
	    if (el.textContent) {
	      el.textContent = contents;
	    } else {
	      el.innerText = contents;
	    }
	  }
	  /**
	   * Listen on `event` with callback `fn`.
	   */


	  function on(el, event, fn) {
	    if (el.addEventListener) {
	      el.addEventListener(event, fn, false);
	    } else {
	      el.attachEvent('on' + event, fn);
	    }
	  }

	  HTML.browserOnly = true;
	});

	var list = createCommonjsModule(function (module, exports) {
	  /**
	   * @module List
	   */

	  /**
	   * Module dependencies.
	   */

	  var inherits = utils.inherits;
	  var constants = runner$1.constants;
	  var EVENT_RUN_BEGIN = constants.EVENT_RUN_BEGIN;
	  var EVENT_RUN_END = constants.EVENT_RUN_END;
	  var EVENT_TEST_BEGIN = constants.EVENT_TEST_BEGIN;
	  var EVENT_TEST_FAIL = constants.EVENT_TEST_FAIL;
	  var EVENT_TEST_PASS = constants.EVENT_TEST_PASS;
	  var EVENT_TEST_PENDING = constants.EVENT_TEST_PENDING;
	  var color = base.color;
	  var cursor = base.cursor;
	  /**
	   * Expose `List`.
	   */

	  exports = module.exports = List;
	  /**
	   * Constructs a new `List` reporter instance.
	   *
	   * @public
	   * @class
	   * @memberof Mocha.reporters
	   * @extends Mocha.reporters.Base
	   * @param {Runner} runner - Instance triggers reporter actions.
	   * @param {Object} [options] - runner options
	   */

	  function List(runner, options) {
	    base.call(this, runner, options);
	    var self = this;
	    var n = 0;
	    runner.on(EVENT_RUN_BEGIN, function () {
	      base.consoleLog();
	    });
	    runner.on(EVENT_TEST_BEGIN, function (test) {
	      process$1.stdout.write(color('pass', '    ' + test.fullTitle() + ': '));
	    });
	    runner.on(EVENT_TEST_PENDING, function (test) {
	      var fmt = color('checkmark', '  -') + color('pending', ' %s');
	      base.consoleLog(fmt, test.fullTitle());
	    });
	    runner.on(EVENT_TEST_PASS, function (test) {
	      var fmt = color('checkmark', '  ' + base.symbols.ok) + color('pass', ' %s: ') + color(test.speed, '%dms');
	      cursor.CR();
	      base.consoleLog(fmt, test.fullTitle(), test.duration);
	    });
	    runner.on(EVENT_TEST_FAIL, function (test) {
	      cursor.CR();
	      base.consoleLog(color('fail', '  %d) %s'), ++n, test.fullTitle());
	    });
	    runner.once(EVENT_RUN_END, self.epilogue.bind(self));
	  }
	  /**
	   * Inherit from `Base.prototype`.
	   */


	  inherits(List, base);
	  List.description = 'like "spec" reporter but flat';
	});

	var min$7 = createCommonjsModule(function (module, exports) {
	  /**
	   * @module Min
	   */

	  /**
	   * Module dependencies.
	   */

	  var inherits = utils.inherits;
	  var constants = runner$1.constants;
	  var EVENT_RUN_END = constants.EVENT_RUN_END;
	  var EVENT_RUN_BEGIN = constants.EVENT_RUN_BEGIN;
	  /**
	   * Expose `Min`.
	   */

	  exports = module.exports = Min;
	  /**
	   * Constructs a new `Min` reporter instance.
	   *
	   * @description
	   * This minimal test reporter is best used with '--watch'.
	   *
	   * @public
	   * @class
	   * @memberof Mocha.reporters
	   * @extends Mocha.reporters.Base
	   * @param {Runner} runner - Instance triggers reporter actions.
	   * @param {Object} [options] - runner options
	   */

	  function Min(runner, options) {
	    base.call(this, runner, options);
	    runner.on(EVENT_RUN_BEGIN, function () {
	      // clear screen
	      process$1.stdout.write("\x1B[2J"); // set cursor position

	      process$1.stdout.write("\x1B[1;3H");
	    });
	    runner.once(EVENT_RUN_END, this.epilogue.bind(this));
	  }
	  /**
	   * Inherit from `Base.prototype`.
	   */


	  inherits(Min, base);
	  Min.description = 'essentially just a summary';
	});

	var spec = createCommonjsModule(function (module, exports) {
	  /**
	   * @module Spec
	   */

	  /**
	   * Module dependencies.
	   */

	  var constants = runner$1.constants;
	  var EVENT_RUN_BEGIN = constants.EVENT_RUN_BEGIN;
	  var EVENT_RUN_END = constants.EVENT_RUN_END;
	  var EVENT_SUITE_BEGIN = constants.EVENT_SUITE_BEGIN;
	  var EVENT_SUITE_END = constants.EVENT_SUITE_END;
	  var EVENT_TEST_FAIL = constants.EVENT_TEST_FAIL;
	  var EVENT_TEST_PASS = constants.EVENT_TEST_PASS;
	  var EVENT_TEST_PENDING = constants.EVENT_TEST_PENDING;
	  var inherits = utils.inherits;
	  var color = base.color;
	  /**
	   * Expose `Spec`.
	   */

	  exports = module.exports = Spec;
	  /**
	   * Constructs a new `Spec` reporter instance.
	   *
	   * @public
	   * @class
	   * @memberof Mocha.reporters
	   * @extends Mocha.reporters.Base
	   * @param {Runner} runner - Instance triggers reporter actions.
	   * @param {Object} [options] - runner options
	   */

	  function Spec(runner, options) {
	    base.call(this, runner, options);
	    var self = this;
	    var indents = 0;
	    var n = 0;

	    function indent() {
	      return Array(indents).join('  ');
	    }

	    runner.on(EVENT_RUN_BEGIN, function () {
	      base.consoleLog();
	    });
	    runner.on(EVENT_SUITE_BEGIN, function (suite) {
	      ++indents;
	      base.consoleLog(color('suite', '%s%s'), indent(), suite.title);
	    });
	    runner.on(EVENT_SUITE_END, function () {
	      --indents;

	      if (indents === 1) {
	        base.consoleLog();
	      }
	    });
	    runner.on(EVENT_TEST_PENDING, function (test) {
	      var fmt = indent() + color('pending', '  - %s');
	      base.consoleLog(fmt, test.title);
	    });
	    runner.on(EVENT_TEST_PASS, function (test) {
	      var fmt;

	      if (test.speed === 'fast') {
	        fmt = indent() + color('checkmark', '  ' + base.symbols.ok) + color('pass', ' %s');
	        base.consoleLog(fmt, test.title);
	      } else {
	        fmt = indent() + color('checkmark', '  ' + base.symbols.ok) + color('pass', ' %s') + color(test.speed, ' (%dms)');
	        base.consoleLog(fmt, test.title, test.duration);
	      }
	    });
	    runner.on(EVENT_TEST_FAIL, function (test) {
	      base.consoleLog(indent() + color('fail', '  %d) %s'), ++n, test.title);
	    });
	    runner.once(EVENT_RUN_END, self.epilogue.bind(self));
	  }
	  /**
	   * Inherit from `Base.prototype`.
	   */


	  inherits(Spec, base);
	  Spec.description = 'hierarchical & verbose [default]';
	});

	var nyan = createCommonjsModule(function (module, exports) {
	  /**
	   * @module Nyan
	   */

	  /**
	   * Module dependencies.
	   */

	  var constants = runner$1.constants;
	  var inherits = utils.inherits;
	  var EVENT_RUN_BEGIN = constants.EVENT_RUN_BEGIN;
	  var EVENT_TEST_PENDING = constants.EVENT_TEST_PENDING;
	  var EVENT_TEST_PASS = constants.EVENT_TEST_PASS;
	  var EVENT_RUN_END = constants.EVENT_RUN_END;
	  var EVENT_TEST_FAIL = constants.EVENT_TEST_FAIL;
	  /**
	   * Expose `Dot`.
	   */

	  exports = module.exports = NyanCat;
	  /**
	   * Constructs a new `Nyan` reporter instance.
	   *
	   * @public
	   * @class Nyan
	   * @memberof Mocha.reporters
	   * @extends Mocha.reporters.Base
	   * @param {Runner} runner - Instance triggers reporter actions.
	   * @param {Object} [options] - runner options
	   */

	  function NyanCat(runner, options) {
	    base.call(this, runner, options);
	    var self = this;
	    var width = base.window.width * 0.75 | 0;
	    var nyanCatWidth = this.nyanCatWidth = 11;
	    this.colorIndex = 0;
	    this.numberOfLines = 4;
	    this.rainbowColors = self.generateColors();
	    this.scoreboardWidth = 5;
	    this.tick = 0;
	    this.trajectories = [[], [], [], []];
	    this.trajectoryWidthMax = width - nyanCatWidth;
	    runner.on(EVENT_RUN_BEGIN, function () {
	      base.cursor.hide();
	      self.draw();
	    });
	    runner.on(EVENT_TEST_PENDING, function () {
	      self.draw();
	    });
	    runner.on(EVENT_TEST_PASS, function () {
	      self.draw();
	    });
	    runner.on(EVENT_TEST_FAIL, function () {
	      self.draw();
	    });
	    runner.once(EVENT_RUN_END, function () {
	      base.cursor.show();

	      for (var i = 0; i < self.numberOfLines; i++) {
	        write('\n');
	      }

	      self.epilogue();
	    });
	  }
	  /**
	   * Inherit from `Base.prototype`.
	   */


	  inherits(NyanCat, base);
	  /**
	   * Draw the nyan cat
	   *
	   * @private
	   */

	  NyanCat.prototype.draw = function () {
	    this.appendRainbow();
	    this.drawScoreboard();
	    this.drawRainbow();
	    this.drawNyanCat();
	    this.tick = !this.tick;
	  };
	  /**
	   * Draw the "scoreboard" showing the number
	   * of passes, failures and pending tests.
	   *
	   * @private
	   */


	  NyanCat.prototype.drawScoreboard = function () {
	    var stats = this.stats;

	    function draw(type, n) {
	      write(' ');
	      write(base.color(type, n));
	      write('\n');
	    }

	    draw('green', stats.passes);
	    draw('fail', stats.failures);
	    draw('pending', stats.pending);
	    write('\n');
	    this.cursorUp(this.numberOfLines);
	  };
	  /**
	   * Append the rainbow.
	   *
	   * @private
	   */


	  NyanCat.prototype.appendRainbow = function () {
	    var segment = this.tick ? '_' : '-';
	    var rainbowified = this.rainbowify(segment);

	    for (var index = 0; index < this.numberOfLines; index++) {
	      var trajectory = this.trajectories[index];

	      if (trajectory.length >= this.trajectoryWidthMax) {
	        trajectory.shift();
	      }

	      trajectory.push(rainbowified);
	    }
	  };
	  /**
	   * Draw the rainbow.
	   *
	   * @private
	   */


	  NyanCat.prototype.drawRainbow = function () {
	    var self = this;
	    this.trajectories.forEach(function (line) {
	      write("\x1B[" + self.scoreboardWidth + 'C');
	      write(line.join(''));
	      write('\n');
	    });
	    this.cursorUp(this.numberOfLines);
	  };
	  /**
	   * Draw the nyan cat
	   *
	   * @private
	   */


	  NyanCat.prototype.drawNyanCat = function () {
	    var self = this;
	    var startWidth = this.scoreboardWidth + this.trajectories[0].length;
	    var dist = "\x1B[" + startWidth + 'C';
	    var padding = '';
	    write(dist);
	    write('_,------,');
	    write('\n');
	    write(dist);
	    padding = self.tick ? '  ' : '   ';
	    write('_|' + padding + '/\\_/\\ ');
	    write('\n');
	    write(dist);
	    padding = self.tick ? '_' : '__';
	    var tail = self.tick ? '~' : '^';
	    write(tail + '|' + padding + this.face() + ' ');
	    write('\n');
	    write(dist);
	    padding = self.tick ? ' ' : '  ';
	    write(padding + '""  "" ');
	    write('\n');
	    this.cursorUp(this.numberOfLines);
	  };
	  /**
	   * Draw nyan cat face.
	   *
	   * @private
	   * @return {string}
	   */


	  NyanCat.prototype.face = function () {
	    var stats = this.stats;

	    if (stats.failures) {
	      return '( x .x)';
	    } else if (stats.pending) {
	      return '( o .o)';
	    } else if (stats.passes) {
	      return '( ^ .^)';
	    }

	    return '( - .-)';
	  };
	  /**
	   * Move cursor up `n`.
	   *
	   * @private
	   * @param {number} n
	   */


	  NyanCat.prototype.cursorUp = function (n) {
	    write("\x1B[" + n + 'A');
	  };
	  /**
	   * Move cursor down `n`.
	   *
	   * @private
	   * @param {number} n
	   */


	  NyanCat.prototype.cursorDown = function (n) {
	    write("\x1B[" + n + 'B');
	  };
	  /**
	   * Generate rainbow colors.
	   *
	   * @private
	   * @return {Array}
	   */


	  NyanCat.prototype.generateColors = function () {
	    var colors = [];

	    for (var i = 0; i < 6 * 7; i++) {
	      var pi3 = Math.floor(Math.PI / 3);
	      var n = i * (1.0 / 6);
	      var r = Math.floor(3 * Math.sin(n) + 3);
	      var g = Math.floor(3 * Math.sin(n + 2 * pi3) + 3);
	      var b = Math.floor(3 * Math.sin(n + 4 * pi3) + 3);
	      colors.push(36 * r + 6 * g + b + 16);
	    }

	    return colors;
	  };
	  /**
	   * Apply rainbow to the given `str`.
	   *
	   * @private
	   * @param {string} str
	   * @return {string}
	   */


	  NyanCat.prototype.rainbowify = function (str) {
	    if (!base.useColors) {
	      return str;
	    }

	    var color = this.rainbowColors[this.colorIndex % this.rainbowColors.length];
	    this.colorIndex += 1;
	    return "\x1B[38;5;" + color + 'm' + str + "\x1B[0m";
	  };
	  /**
	   * Stdout helper.
	   *
	   * @param {string} string A message to write to stdout.
	   */


	  function write(string) {
	    process$1.stdout.write(string);
	  }

	  NyanCat.description = '"nyan cat"';
	});

	var fs = {};

	var xunit = createCommonjsModule(function (module, exports) {
	  /**
	   * @module XUnit
	   */

	  /**
	   * Module dependencies.
	   */

	  var createUnsupportedError = errors.createUnsupportedError;
	  var constants = runner$1.constants;
	  var EVENT_TEST_PASS = constants.EVENT_TEST_PASS;
	  var EVENT_TEST_FAIL = constants.EVENT_TEST_FAIL;
	  var EVENT_RUN_END = constants.EVENT_RUN_END;
	  var EVENT_TEST_PENDING = constants.EVENT_TEST_PENDING;
	  var STATE_FAILED = runnable.constants.STATE_FAILED;
	  var inherits = utils.inherits;
	  var escape = utils.escape;
	  /**
	   * Save timer references to avoid Sinon interfering (see GH-237).
	   */

	  var Date = commonjsGlobal.Date;
	  /**
	   * Expose `XUnit`.
	   */

	  exports = module.exports = XUnit;
	  /**
	   * Constructs a new `XUnit` reporter instance.
	   *
	   * @public
	   * @class
	   * @memberof Mocha.reporters
	   * @extends Mocha.reporters.Base
	   * @param {Runner} runner - Instance triggers reporter actions.
	   * @param {Object} [options] - runner options
	   */

	  function XUnit(runner, options) {
	    base.call(this, runner, options);
	    var stats = this.stats;
	    var tests = [];
	    var self = this; // the name of the test suite, as it will appear in the resulting XML file

	    var suiteName; // the default name of the test suite if none is provided

	    var DEFAULT_SUITE_NAME = 'Mocha Tests';

	    if (options && options.reporterOptions) {
	      if (options.reporterOptions.output) {
	        if (!fs.createWriteStream) {
	          throw createUnsupportedError('file output not supported in browser');
	        }

	        fs.mkdirSync(path$1.dirname(options.reporterOptions.output), {
	          recursive: true
	        });
	        self.fileStream = fs.createWriteStream(options.reporterOptions.output);
	      } // get the suite name from the reporter options (if provided)


	      suiteName = options.reporterOptions.suiteName;
	    } // fall back to the default suite name


	    suiteName = suiteName || DEFAULT_SUITE_NAME;
	    runner.on(EVENT_TEST_PENDING, function (test) {
	      tests.push(test);
	    });
	    runner.on(EVENT_TEST_PASS, function (test) {
	      tests.push(test);
	    });
	    runner.on(EVENT_TEST_FAIL, function (test) {
	      tests.push(test);
	    });
	    runner.once(EVENT_RUN_END, function () {
	      self.write(tag('testsuite', {
	        name: suiteName,
	        tests: stats.tests,
	        failures: 0,
	        errors: stats.failures,
	        skipped: stats.tests - stats.failures - stats.passes,
	        timestamp: new Date().toUTCString(),
	        time: stats.duration / 1000 || 0
	      }, false));
	      tests.forEach(function (t) {
	        self.test(t);
	      });
	      self.write('</testsuite>');
	    });
	  }
	  /**
	   * Inherit from `Base.prototype`.
	   */


	  inherits(XUnit, base);
	  /**
	   * Override done to close the stream (if it's a file).
	   *
	   * @param failures
	   * @param {Function} fn
	   */

	  XUnit.prototype.done = function (failures, fn) {
	    if (this.fileStream) {
	      this.fileStream.end(function () {
	        fn(failures);
	      });
	    } else {
	      fn(failures);
	    }
	  };
	  /**
	   * Write out the given line.
	   *
	   * @param {string} line
	   */


	  XUnit.prototype.write = function (line) {
	    if (this.fileStream) {
	      this.fileStream.write(line + '\n');
	    } else if (_typeof(process$1) === 'object' && process$1.stdout) {
	      process$1.stdout.write(line + '\n');
	    } else {
	      base.consoleLog(line);
	    }
	  };
	  /**
	   * Output tag for the given `test.`
	   *
	   * @param {Test} test
	   */


	  XUnit.prototype.test = function (test) {
	    base.useColors = false;
	    var attrs = {
	      classname: test.parent.fullTitle(),
	      name: test.title,
	      time: test.duration / 1000 || 0
	    };

	    if (test.state === STATE_FAILED) {
	      var err = test.err;
	      var diff = !base.hideDiff && base.showDiff(err) ? '\n' + base.generateDiff(err.actual, err.expected) : '';
	      this.write(tag('testcase', attrs, false, tag('failure', {}, false, escape(err.message) + escape(diff) + '\n' + escape(err.stack))));
	    } else if (test.isPending()) {
	      this.write(tag('testcase', attrs, false, tag('skipped', {}, true)));
	    } else {
	      this.write(tag('testcase', attrs, true));
	    }
	  };
	  /**
	   * HTML tag helper.
	   *
	   * @param name
	   * @param attrs
	   * @param close
	   * @param content
	   * @return {string}
	   */


	  function tag(name, attrs, close, content) {
	    var end = close ? '/>' : '>';
	    var pairs = [];
	    var tag;

	    for (var key in attrs) {
	      if (Object.prototype.hasOwnProperty.call(attrs, key)) {
	        pairs.push(key + '="' + escape(attrs[key]) + '"');
	      }
	    }

	    tag = '<' + name + (pairs.length ? ' ' + pairs.join(' ') : '') + end;

	    if (content) {
	      tag += content + '</' + name + end;
	    }

	    return tag;
	  }

	  XUnit.description = 'XUnit-compatible XML output';
	});

	var markdown = createCommonjsModule(function (module, exports) {
	  /**
	   * @module Markdown
	   */

	  /**
	   * Module dependencies.
	   */

	  var constants = runner$1.constants;
	  var EVENT_RUN_END = constants.EVENT_RUN_END;
	  var EVENT_SUITE_BEGIN = constants.EVENT_SUITE_BEGIN;
	  var EVENT_SUITE_END = constants.EVENT_SUITE_END;
	  var EVENT_TEST_PASS = constants.EVENT_TEST_PASS;
	  /**
	   * Constants
	   */

	  var SUITE_PREFIX = '$';
	  /**
	   * Expose `Markdown`.
	   */

	  exports = module.exports = Markdown;
	  /**
	   * Constructs a new `Markdown` reporter instance.
	   *
	   * @public
	   * @class
	   * @memberof Mocha.reporters
	   * @extends Mocha.reporters.Base
	   * @param {Runner} runner - Instance triggers reporter actions.
	   * @param {Object} [options] - runner options
	   */

	  function Markdown(runner, options) {
	    base.call(this, runner, options);
	    var level = 0;
	    var buf = '';

	    function title(str) {
	      return Array(level).join('#') + ' ' + str;
	    }

	    function mapTOC(suite, obj) {
	      var ret = obj;
	      var key = SUITE_PREFIX + suite.title;
	      obj = obj[key] = obj[key] || {
	        suite: suite
	      };
	      suite.suites.forEach(function (suite) {
	        mapTOC(suite, obj);
	      });
	      return ret;
	    }

	    function stringifyTOC(obj, level) {
	      ++level;
	      var buf = '';
	      var link;

	      for (var key in obj) {
	        if (key === 'suite') {
	          continue;
	        }

	        if (key !== SUITE_PREFIX) {
	          link = ' - [' + key.substring(1) + ']';
	          link += '(#' + utils.slug(obj[key].suite.fullTitle()) + ')\n';
	          buf += Array(level).join('  ') + link;
	        }

	        buf += stringifyTOC(obj[key], level);
	      }

	      return buf;
	    }

	    function generateTOC(suite) {
	      var obj = mapTOC(suite, {});
	      return stringifyTOC(obj, 0);
	    }

	    generateTOC(runner.suite);
	    runner.on(EVENT_SUITE_BEGIN, function (suite) {
	      ++level;
	      var slug = utils.slug(suite.fullTitle());
	      buf += '<a name="' + slug + '"></a>' + '\n';
	      buf += title(suite.title) + '\n';
	    });
	    runner.on(EVENT_SUITE_END, function () {
	      --level;
	    });
	    runner.on(EVENT_TEST_PASS, function (test) {
	      var code = utils.clean(test.body);
	      buf += test.title + '.\n';
	      buf += '\n```js\n';
	      buf += code + '\n';
	      buf += '```\n\n';
	    });
	    runner.once(EVENT_RUN_END, function () {
	      process$1.stdout.write('# TOC\n');
	      process$1.stdout.write(generateTOC(runner.suite));
	      process$1.stdout.write(buf);
	    });
	  }

	  Markdown.description = 'GitHub Flavored Markdown';
	});

	var progress$1 = createCommonjsModule(function (module, exports) {
	  /**
	   * @module Progress
	   */

	  /**
	   * Module dependencies.
	   */

	  var constants = runner$1.constants;
	  var EVENT_RUN_BEGIN = constants.EVENT_RUN_BEGIN;
	  var EVENT_TEST_END = constants.EVENT_TEST_END;
	  var EVENT_RUN_END = constants.EVENT_RUN_END;
	  var inherits = utils.inherits;
	  var color = base.color;
	  var cursor = base.cursor;
	  /**
	   * Expose `Progress`.
	   */

	  exports = module.exports = Progress;
	  /**
	   * General progress bar color.
	   */

	  base.colors.progress = 90;
	  /**
	   * Constructs a new `Progress` reporter instance.
	   *
	   * @public
	   * @class
	   * @memberof Mocha.reporters
	   * @extends Mocha.reporters.Base
	   * @param {Runner} runner - Instance triggers reporter actions.
	   * @param {Object} [options] - runner options
	   */

	  function Progress(runner, options) {
	    base.call(this, runner, options);
	    var self = this;
	    var width = base.window.width * 0.5 | 0;
	    var total = runner.total;
	    var complete = 0;
	    var lastN = -1; // default chars

	    options = options || {};
	    var reporterOptions = options.reporterOptions || {};
	    options.open = reporterOptions.open || '[';
	    options.complete = reporterOptions.complete || '▬';
	    options.incomplete = reporterOptions.incomplete || base.symbols.dot;
	    options.close = reporterOptions.close || ']';
	    options.verbose = reporterOptions.verbose || false; // tests started

	    runner.on(EVENT_RUN_BEGIN, function () {
	      process$1.stdout.write('\n');
	      cursor.hide();
	    }); // tests complete

	    runner.on(EVENT_TEST_END, function () {
	      complete++;
	      var percent = complete / total;
	      var n = width * percent | 0;
	      var i = width - n;

	      if (n === lastN && !options.verbose) {
	        // Don't re-render the line if it hasn't changed
	        return;
	      }

	      lastN = n;
	      cursor.CR();
	      process$1.stdout.write("\x1B[J");
	      process$1.stdout.write(color('progress', '  ' + options.open));
	      process$1.stdout.write(Array(n).join(options.complete));
	      process$1.stdout.write(Array(i).join(options.incomplete));
	      process$1.stdout.write(color('progress', options.close));

	      if (options.verbose) {
	        process$1.stdout.write(color('progress', ' ' + complete + ' of ' + total));
	      }
	    }); // tests are complete, output some stats
	    // and the failures if any

	    runner.once(EVENT_RUN_END, function () {
	      cursor.show();
	      process$1.stdout.write('\n');
	      self.epilogue();
	    });
	  }
	  /**
	   * Inherit from `Base.prototype`.
	   */


	  inherits(Progress, base);
	  Progress.description = 'a progress bar';
	});

	var landing = createCommonjsModule(function (module, exports) {
	  /**
	   * @module Landing
	   */

	  /**
	   * Module dependencies.
	   */

	  var inherits = utils.inherits;
	  var constants = runner$1.constants;
	  var EVENT_RUN_BEGIN = constants.EVENT_RUN_BEGIN;
	  var EVENT_RUN_END = constants.EVENT_RUN_END;
	  var EVENT_TEST_END = constants.EVENT_TEST_END;
	  var STATE_FAILED = runnable.constants.STATE_FAILED;
	  var cursor = base.cursor;
	  var color = base.color;
	  /**
	   * Expose `Landing`.
	   */

	  exports = module.exports = Landing;
	  /**
	   * Airplane color.
	   */

	  base.colors.plane = 0;
	  /**
	   * Airplane crash color.
	   */

	  base.colors['plane crash'] = 31;
	  /**
	   * Runway color.
	   */

	  base.colors.runway = 90;
	  /**
	   * Constructs a new `Landing` reporter instance.
	   *
	   * @public
	   * @class
	   * @memberof Mocha.reporters
	   * @extends Mocha.reporters.Base
	   * @param {Runner} runner - Instance triggers reporter actions.
	   * @param {Object} [options] - runner options
	   */

	  function Landing(runner, options) {
	    base.call(this, runner, options);
	    var self = this;
	    var width = base.window.width * 0.75 | 0;
	    var stream = process$1.stdout;
	    var plane = color('plane', '✈');
	    var crashed = -1;
	    var n = 0;
	    var total = 0;

	    function runway() {
	      var buf = Array(width).join('-');
	      return '  ' + color('runway', buf);
	    }

	    runner.on(EVENT_RUN_BEGIN, function () {
	      stream.write('\n\n\n  ');
	      cursor.hide();
	    });
	    runner.on(EVENT_TEST_END, function (test) {
	      // check if the plane crashed
	      var col = crashed === -1 ? width * ++n / ++total | 0 : crashed; // show the crash

	      if (test.state === STATE_FAILED) {
	        plane = color('plane crash', '✈');
	        crashed = col;
	      } // render landing strip


	      stream.write("\x1B[" + (width + 1) + "D\x1B[2A");
	      stream.write(runway());
	      stream.write('\n  ');
	      stream.write(color('runway', Array(col).join('⋅')));
	      stream.write(plane);
	      stream.write(color('runway', Array(width - col).join('⋅') + '\n'));
	      stream.write(runway());
	      stream.write("\x1B[0m");
	    });
	    runner.once(EVENT_RUN_END, function () {
	      cursor.show();
	      process$1.stdout.write('\n');
	      self.epilogue();
	    }); // if cursor is hidden when we ctrl-C, then it will remain hidden unless...

	    process$1.once('SIGINT', function () {
	      cursor.show();
	      nextTick(function () {
	        process$1.kill(process$1.pid, 'SIGINT');
	      });
	    });
	  }
	  /**
	   * Inherit from `Base.prototype`.
	   */


	  inherits(Landing, base);
	  Landing.description = 'Unicode landing strip';
	});

	var jsonStream = createCommonjsModule(function (module, exports) {
	  /**
	   * @module JSONStream
	   */

	  /**
	   * Module dependencies.
	   */

	  var constants = runner$1.constants;
	  var EVENT_TEST_PASS = constants.EVENT_TEST_PASS;
	  var EVENT_TEST_FAIL = constants.EVENT_TEST_FAIL;
	  var EVENT_RUN_BEGIN = constants.EVENT_RUN_BEGIN;
	  var EVENT_RUN_END = constants.EVENT_RUN_END;
	  /**
	   * Expose `JSONStream`.
	   */

	  exports = module.exports = JSONStream;
	  /**
	   * Constructs a new `JSONStream` reporter instance.
	   *
	   * @public
	   * @class
	   * @memberof Mocha.reporters
	   * @extends Mocha.reporters.Base
	   * @param {Runner} runner - Instance triggers reporter actions.
	   * @param {Object} [options] - runner options
	   */

	  function JSONStream(runner, options) {
	    base.call(this, runner, options);
	    var self = this;
	    var total = runner.total;
	    runner.once(EVENT_RUN_BEGIN, function () {
	      writeEvent(['start', {
	        total: total
	      }]);
	    });
	    runner.on(EVENT_TEST_PASS, function (test) {
	      writeEvent(['pass', clean(test)]);
	    });
	    runner.on(EVENT_TEST_FAIL, function (test, err) {
	      test = clean(test);
	      test.err = err.message;
	      test.stack = err.stack || null;
	      writeEvent(['fail', test]);
	    });
	    runner.once(EVENT_RUN_END, function () {
	      writeEvent(['end', self.stats]);
	    });
	  }
	  /**
	   * Mocha event to be written to the output stream.
	   * @typedef {Array} JSONStream~MochaEvent
	   */

	  /**
	   * Writes Mocha event to reporter output stream.
	   *
	   * @private
	   * @param {JSONStream~MochaEvent} event - Mocha event to be output.
	   */


	  function writeEvent(event) {
	    process$1.stdout.write(JSON.stringify(event) + '\n');
	  }
	  /**
	   * Returns an object literal representation of `test`
	   * free of cyclic properties, etc.
	   *
	   * @private
	   * @param {Test} test - Instance used as data source.
	   * @return {Object} object containing pared-down test instance data
	   */


	  function clean(test) {
	    return {
	      title: test.title,
	      fullTitle: test.fullTitle(),
	      file: test.file,
	      duration: test.duration,
	      currentRetry: test.currentRetry(),
	      speed: test.speed
	    };
	  }

	  JSONStream.description = 'newline delimited JSON events';
	});

	var reporters = createCommonjsModule(function (module, exports) {
	  // for dynamic (try/catch) requires, which Browserify doesn't handle.

	  exports.Base = exports.base = base;
	  exports.Dot = exports.dot = dot;
	  exports.Doc = exports.doc = doc;
	  exports.TAP = exports.tap = tap;
	  exports.JSON = exports.json = json;
	  exports.HTML = exports.html = html$1;
	  exports.List = exports.list = list;
	  exports.Min = exports.min = min$7;
	  exports.Spec = exports.spec = spec;
	  exports.Nyan = exports.nyan = nyan;
	  exports.XUnit = exports.xunit = xunit;
	  exports.Markdown = exports.markdown = markdown;
	  exports.Progress = exports.progress = progress$1;
	  exports.Landing = exports.landing = landing;
	  exports.JSONStream = exports['json-stream'] = jsonStream;
	});

	var name = "mocha";
	var version$2 = "8.2.0";
	var homepage = "https://mochajs.org/";
	var notifyLogo = "https://ibin.co/4QuRuGjXvl36.png";
	var _package = {
		name: name,
		version: version$2,
		homepage: homepage,
		notifyLogo: notifyLogo
	};

	var _package$1 = /*#__PURE__*/Object.freeze({
		__proto__: null,
		name: name,
		version: version$2,
		homepage: homepage,
		notifyLogo: notifyLogo,
		'default': _package
	});

	var require$$10 = getCjsExportFromNamespace(_package$1);

	/**
	 * Web Notifications module.
	 * @module Growl
	 */

	/**
	 * Save timer references to avoid Sinon interfering (see GH-237).
	 */


	var Date$2 = commonjsGlobal.Date;
	var setTimeout$2 = commonjsGlobal.setTimeout;
	var EVENT_RUN_END = runner$1.constants.EVENT_RUN_END;
	var isBrowser = utils.isBrowser;
	/**
	 * Checks if browser notification support exists.
	 *
	 * @public
	 * @see {@link https://caniuse.com/#feat=notifications|Browser support (notifications)}
	 * @see {@link https://caniuse.com/#feat=promises|Browser support (promises)}
	 * @see {@link Mocha#growl}
	 * @see {@link Mocha#isGrowlCapable}
	 * @return {boolean} whether browser notification support exists
	 */

	var isCapable = function isCapable() {
	  var hasNotificationSupport = ('Notification' in window);
	  var hasPromiseSupport = typeof Promise === 'function';
	  return isBrowser() && hasNotificationSupport && hasPromiseSupport;
	};
	/**
	 * Implements browser notifications as a pseudo-reporter.
	 *
	 * @public
	 * @see {@link https://developer.mozilla.org/en-US/docs/Web/API/notification|Notification API}
	 * @see {@link https://developers.google.com/web/fundamentals/push-notifications/display-a-notification|Displaying a Notification}
	 * @see {@link Growl#isPermitted}
	 * @see {@link Mocha#_growl}
	 * @param {Runner} runner - Runner instance.
	 */


	var notify$2 = function notify(runner) {
	  var promise = isPermitted();
	  /**
	   * Attempt notification.
	   */

	  var sendNotification = function sendNotification() {
	    // If user hasn't responded yet... "No notification for you!" (Seinfeld)
	    Promise.race([promise, Promise.resolve(undefined)]).then(canNotify).then(function () {
	      display(runner);
	    })["catch"](notPermitted);
	  };

	  runner.once(EVENT_RUN_END, sendNotification);
	};
	/**
	 * Checks if browser notification is permitted by user.
	 *
	 * @private
	 * @see {@link https://developer.mozilla.org/en-US/docs/Web/API/Notification/permission|Notification.permission}
	 * @see {@link Mocha#growl}
	 * @see {@link Mocha#isGrowlPermitted}
	 * @returns {Promise<boolean>} promise determining if browser notification
	 *     permissible when fulfilled.
	 */


	function isPermitted() {
	  var permitted = {
	    granted: function allow() {
	      return Promise.resolve(true);
	    },
	    denied: function deny() {
	      return Promise.resolve(false);
	    },
	    "default": function ask() {
	      return Notification.requestPermission().then(function (permission) {
	        return permission === 'granted';
	      });
	    }
	  };
	  return permitted[Notification.permission]();
	}
	/**
	 * @summary
	 * Determines if notification should proceed.
	 *
	 * @description
	 * Notification shall <strong>not</strong> proceed unless `value` is true.
	 *
	 * `value` will equal one of:
	 * <ul>
	 *   <li><code>true</code> (from `isPermitted`)</li>
	 *   <li><code>false</code> (from `isPermitted`)</li>
	 *   <li><code>undefined</code> (from `Promise.race`)</li>
	 * </ul>
	 *
	 * @private
	 * @param {boolean|undefined} value - Determines if notification permissible.
	 * @returns {Promise<undefined>} Notification can proceed
	 */


	function canNotify(value) {
	  if (!value) {
	    var why = value === false ? 'blocked' : 'unacknowledged';
	    var reason = 'not permitted by user (' + why + ')';
	    return Promise.reject(new Error(reason));
	  }

	  return Promise.resolve();
	}
	/**
	 * Displays the notification.
	 *
	 * @private
	 * @param {Runner} runner - Runner instance.
	 */


	function display(runner) {
	  var stats = runner.stats;
	  var symbol = {
	    cross: "\u274C",
	    tick: "\u2705"
	  };
	  var logo = require$$10.notifyLogo;

	  var _message;

	  var message;
	  var title;

	  if (stats.failures) {
	    _message = stats.failures + ' of ' + stats.tests + ' tests failed';
	    message = symbol.cross + ' ' + _message;
	    title = 'Failed';
	  } else {
	    _message = stats.passes + ' tests passed in ' + stats.duration + 'ms';
	    message = symbol.tick + ' ' + _message;
	    title = 'Passed';
	  } // Send notification


	  var options = {
	    badge: logo,
	    body: message,
	    dir: 'ltr',
	    icon: logo,
	    lang: 'en-US',
	    name: 'mocha',
	    requireInteraction: false,
	    timestamp: Date$2.now()
	  };
	  var notification = new Notification(title, options); // Autoclose after brief delay (makes various browsers act same)

	  var FORCE_DURATION = 4000;
	  setTimeout$2(notification.close.bind(notification), FORCE_DURATION);
	}
	/**
	 * As notifications are tangential to our purpose, just log the error.
	 *
	 * @private
	 * @param {Error} err - Why notification didn't happen.
	 */


	function notPermitted(err) {
	  console.error('notification error:', err.message);
	}

	var growl = {
	  isCapable: isCapable,
	  notify: notify$2
	};

	var diff$1 = true;
	var extension = [
		"js",
		"cjs",
		"mjs"
	];
	var reporter = "spec";
	var slow = 75;
	var timeout = 2000;
	var ui = "bdd";
	var mocharc = {
		diff: diff$1,
		extension: extension,
		"package": "./package.json",
		reporter: reporter,
		slow: slow,
		timeout: timeout,
		ui: ui,
		"watch-ignore": [
		"node_modules",
		".git"
	]
	};

	var mocharc$1 = /*#__PURE__*/Object.freeze({
		__proto__: null,
		diff: diff$1,
		extension: extension,
		reporter: reporter,
		slow: slow,
		timeout: timeout,
		ui: ui,
		'default': mocharc
	});

	/**
	 * Provides a factory function for a {@link StatsCollector} object.
	 * @module
	 */


	var constants$4 = runner$1.constants;
	var EVENT_TEST_PASS = constants$4.EVENT_TEST_PASS;
	var EVENT_TEST_FAIL = constants$4.EVENT_TEST_FAIL;
	var EVENT_SUITE_BEGIN = constants$4.EVENT_SUITE_BEGIN;
	var EVENT_RUN_BEGIN = constants$4.EVENT_RUN_BEGIN;
	var EVENT_TEST_PENDING = constants$4.EVENT_TEST_PENDING;
	var EVENT_RUN_END$1 = constants$4.EVENT_RUN_END;
	var EVENT_TEST_END = constants$4.EVENT_TEST_END;
	/**
	 * Test statistics collector.
	 *
	 * @public
	 * @typedef {Object} StatsCollector
	 * @property {number} suites - integer count of suites run.
	 * @property {number} tests - integer count of tests run.
	 * @property {number} passes - integer count of passing tests.
	 * @property {number} pending - integer count of pending tests.
	 * @property {number} failures - integer count of failed tests.
	 * @property {Date} start - time when testing began.
	 * @property {Date} end - time when testing concluded.
	 * @property {number} duration - number of msecs that testing took.
	 */

	var Date$3 = commonjsGlobal.Date;
	/**
	 * Provides stats such as test duration, number of tests passed / failed etc., by listening for events emitted by `runner`.
	 *
	 * @private
	 * @param {Runner} runner - Runner instance
	 * @throws {TypeError} If falsy `runner`
	 */

	function createStatsCollector(runner) {
	  /**
	   * @type StatsCollector
	   */
	  var stats = {
	    suites: 0,
	    tests: 0,
	    passes: 0,
	    pending: 0,
	    failures: 0
	  };

	  if (!runner) {
	    throw new TypeError('Missing runner argument');
	  }

	  runner.stats = stats;
	  runner.once(EVENT_RUN_BEGIN, function () {
	    stats.start = new Date$3();
	  });
	  runner.on(EVENT_SUITE_BEGIN, function (suite) {
	    suite.root || stats.suites++;
	  });
	  runner.on(EVENT_TEST_PASS, function () {
	    stats.passes++;
	  });
	  runner.on(EVENT_TEST_FAIL, function () {
	    stats.failures++;
	  });
	  runner.on(EVENT_TEST_PENDING, function () {
	    stats.pending++;
	  });
	  runner.on(EVENT_TEST_END, function () {
	    stats.tests++;
	  });
	  runner.once(EVENT_RUN_END$1, function () {
	    stats.end = new Date$3();
	    stats.duration = stats.end - stats.start;
	  });
	}

	var statsCollector = createStatsCollector;

	var createInvalidArgumentTypeError$1 = errors.createInvalidArgumentTypeError;
	var isString$1 = utils.isString;
	var MOCHA_ID_PROP_NAME$1 = utils.constants.MOCHA_ID_PROP_NAME;
	var test$1 = Test;
	/**
	 * Initialize a new `Test` with the given `title` and callback `fn`.
	 *
	 * @public
	 * @class
	 * @extends Runnable
	 * @param {String} title - Test title (required)
	 * @param {Function} [fn] - Test callback.  If omitted, the Test is considered "pending"
	 */

	function Test(title, fn) {
	  if (!isString$1(title)) {
	    throw createInvalidArgumentTypeError$1('Test argument "title" should be a string. Received type "' + _typeof(title) + '"', 'title', 'string');
	  }

	  this.type = 'test';
	  runnable.call(this, title, fn);
	  this.reset();
	}
	/**
	 * Inherit from `Runnable.prototype`.
	 */


	utils.inherits(Test, runnable);
	/**
	 * Resets the state initially or for a next run.
	 */

	Test.prototype.reset = function () {
	  runnable.prototype.reset.call(this);
	  this.pending = !this.fn;
	  delete this.state;
	};
	/**
	 * Set or get retried test
	 *
	 * @private
	 */


	Test.prototype.retriedTest = function (n) {
	  if (!arguments.length) {
	    return this._retriedTest;
	  }

	  this._retriedTest = n;
	};
	/**
	 * Add test to the list of tests marked `only`.
	 *
	 * @private
	 */


	Test.prototype.markOnly = function () {
	  this.parent.appendOnlyTest(this);
	};

	Test.prototype.clone = function () {
	  var test = new Test(this.title, this.fn);
	  test.timeout(this.timeout());
	  test.slow(this.slow());
	  test.retries(this.retries());
	  test.currentRetry(this.currentRetry());
	  test.retriedTest(this.retriedTest() || this);
	  test.globals(this.globals());
	  test.parent = this.parent;
	  test.file = this.file;
	  test.ctx = this.ctx;
	  return test;
	};
	/**
	 * Returns an minimal object suitable for transmission over IPC.
	 * Functions are represented by keys beginning with `$$`.
	 * @private
	 * @returns {Object}
	 */


	Test.prototype.serialize = function serialize() {
	  return _defineProperty({
	    $$currentRetry: this._currentRetry,
	    $$fullTitle: this.fullTitle(),
	    $$isPending: this.pending,
	    $$retriedTest: this._retriedTest || null,
	    $$slow: this._slow,
	    $$titlePath: this.titlePath(),
	    body: this.body,
	    duration: this.duration,
	    err: this.err,
	    parent: _defineProperty({
	      $$fullTitle: this.parent.fullTitle()
	    }, MOCHA_ID_PROP_NAME$1, this.parent.id),
	    speed: this.speed,
	    state: this.state,
	    title: this.title,
	    type: this.type,
	    file: this.file
	  }, MOCHA_ID_PROP_NAME$1, this.id);
	};

	/**
	 @module interfaces/common
	*/


	var createMissingArgumentError$1 = errors.createMissingArgumentError;
	var createUnsupportedError$2 = errors.createUnsupportedError;
	var createForbiddenExclusivityError$1 = errors.createForbiddenExclusivityError;
	/**
	 * Functions common to more than one interface.
	 *
	 * @private
	 * @param {Suite[]} suites
	 * @param {Context} context
	 * @param {Mocha} mocha
	 * @return {Object} An object containing common functions.
	 */

	var common$1 = function common(suites, context, mocha) {
	  /**
	   * Check if the suite should be tested.
	   *
	   * @private
	   * @param {Suite} suite - suite to check
	   * @returns {boolean}
	   */
	  function shouldBeTested(suite) {
	    return !mocha.options.grep || mocha.options.grep && mocha.options.grep.test(suite.fullTitle()) && !mocha.options.invert;
	  }

	  return {
	    /**
	     * This is only present if flag --delay is passed into Mocha. It triggers
	     * root suite execution.
	     *
	     * @param {Suite} suite The root suite.
	     * @return {Function} A function which runs the root suite
	     */
	    runWithSuite: function runWithSuite(suite) {
	      return function run() {
	        suite.run();
	      };
	    },

	    /**
	     * Execute before running tests.
	     *
	     * @param {string} name
	     * @param {Function} fn
	     */
	    before: function before(name, fn) {
	      suites[0].beforeAll(name, fn);
	    },

	    /**
	     * Execute after running tests.
	     *
	     * @param {string} name
	     * @param {Function} fn
	     */
	    after: function after(name, fn) {
	      suites[0].afterAll(name, fn);
	    },

	    /**
	     * Execute before each test case.
	     *
	     * @param {string} name
	     * @param {Function} fn
	     */
	    beforeEach: function beforeEach(name, fn) {
	      suites[0].beforeEach(name, fn);
	    },

	    /**
	     * Execute after each test case.
	     *
	     * @param {string} name
	     * @param {Function} fn
	     */
	    afterEach: function afterEach(name, fn) {
	      suites[0].afterEach(name, fn);
	    },
	    suite: {
	      /**
	       * Create an exclusive Suite; convenience function
	       * See docstring for create() below.
	       *
	       * @param {Object} opts
	       * @returns {Suite}
	       */
	      only: function only(opts) {
	        if (mocha.options.forbidOnly) {
	          throw createForbiddenExclusivityError$1(mocha);
	        }

	        opts.isOnly = true;
	        return this.create(opts);
	      },

	      /**
	       * Create a Suite, but skip it; convenience function
	       * See docstring for create() below.
	       *
	       * @param {Object} opts
	       * @returns {Suite}
	       */
	      skip: function skip(opts) {
	        opts.pending = true;
	        return this.create(opts);
	      },

	      /**
	       * Creates a suite.
	       *
	       * @param {Object} opts Options
	       * @param {string} opts.title Title of Suite
	       * @param {Function} [opts.fn] Suite Function (not always applicable)
	       * @param {boolean} [opts.pending] Is Suite pending?
	       * @param {string} [opts.file] Filepath where this Suite resides
	       * @param {boolean} [opts.isOnly] Is Suite exclusive?
	       * @returns {Suite}
	       */
	      create: function create(opts) {
	        var suite$1 = suite.create(suites[0], opts.title);
	        suite$1.pending = Boolean(opts.pending);
	        suite$1.file = opts.file;
	        suites.unshift(suite$1);

	        if (opts.isOnly) {
	          suite$1.markOnly();
	        }

	        if (suite$1.pending && mocha.options.forbidPending && shouldBeTested(suite$1)) {
	          throw createUnsupportedError$2('Pending test forbidden');
	        }

	        if (typeof opts.fn === 'function') {
	          opts.fn.call(suite$1);
	          suites.shift();
	        } else if (typeof opts.fn === 'undefined' && !suite$1.pending) {
	          throw createMissingArgumentError$1('Suite "' + suite$1.fullTitle() + '" was defined but no callback was supplied. ' + 'Supply a callback or explicitly skip the suite.', 'callback', 'function');
	        } else if (!opts.fn && suite$1.pending) {
	          suites.shift();
	        }

	        return suite$1;
	      }
	    },
	    test: {
	      /**
	       * Exclusive test-case.
	       *
	       * @param {Object} mocha
	       * @param {Function} test
	       * @returns {*}
	       */
	      only: function only(mocha, test) {
	        if (mocha.options.forbidOnly) {
	          throw createForbiddenExclusivityError$1(mocha);
	        }

	        test.markOnly();
	        return test;
	      },

	      /**
	       * Pending test case.
	       *
	       * @param {string} title
	       */
	      skip: function skip(title) {
	        context.test(title);
	      },

	      /**
	       * Number of retry attempts
	       *
	       * @param {number} n
	       */
	      retries: function retries(n) {
	        context.retries(n);
	      }
	    }
	  };
	};

	var EVENT_FILE_PRE_REQUIRE = suite.constants.EVENT_FILE_PRE_REQUIRE;
	/**
	 * BDD-style interface:
	 *
	 *      describe('Array', function() {
	 *        describe('#indexOf()', function() {
	 *          it('should return -1 when not present', function() {
	 *            // ...
	 *          });
	 *
	 *          it('should return the index when present', function() {
	 *            // ...
	 *          });
	 *        });
	 *      });
	 *
	 * @param {Suite} suite Root suite.
	 */

	var bdd = function bddInterface(suite) {
	  var suites = [suite];
	  suite.on(EVENT_FILE_PRE_REQUIRE, function (context, file, mocha) {
	    var common = common$1(suites, context, mocha);
	    context.before = common.before;
	    context.after = common.after;
	    context.beforeEach = common.beforeEach;
	    context.afterEach = common.afterEach;
	    context.run = mocha.options.delay && common.runWithSuite(suite);
	    /**
	     * Describe a "suite" with the given `title`
	     * and callback `fn` containing nested suites
	     * and/or tests.
	     */

	    context.describe = context.context = function (title, fn) {
	      return common.suite.create({
	        title: title,
	        file: file,
	        fn: fn
	      });
	    };
	    /**
	     * Pending describe.
	     */


	    context.xdescribe = context.xcontext = context.describe.skip = function (title, fn) {
	      return common.suite.skip({
	        title: title,
	        file: file,
	        fn: fn
	      });
	    };
	    /**
	     * Exclusive suite.
	     */


	    context.describe.only = function (title, fn) {
	      return common.suite.only({
	        title: title,
	        file: file,
	        fn: fn
	      });
	    };
	    /**
	     * Describe a specification or test-case
	     * with the given `title` and callback `fn`
	     * acting as a thunk.
	     */


	    context.it = context.specify = function (title, fn) {
	      var suite = suites[0];

	      if (suite.isPending()) {
	        fn = null;
	      }

	      var test = new test$1(title, fn);
	      test.file = file;
	      suite.addTest(test);
	      return test;
	    };
	    /**
	     * Exclusive test-case.
	     */


	    context.it.only = function (title, fn) {
	      return common.test.only(mocha, context.it(title, fn));
	    };
	    /**
	     * Pending test case.
	     */


	    context.xit = context.xspecify = context.it.skip = function (title) {
	      return context.it(title);
	    };
	    /**
	     * Number of attempts to retry.
	     */


	    context.it.retries = function (n) {
	      context.retries(n);
	    };
	  });
	};

	var description = 'BDD or RSpec style [default]';
	bdd.description = description;

	var EVENT_FILE_PRE_REQUIRE$1 = suite.constants.EVENT_FILE_PRE_REQUIRE;
	/**
	 * TDD-style interface:
	 *
	 *      suite('Array', function() {
	 *        suite('#indexOf()', function() {
	 *          suiteSetup(function() {
	 *
	 *          });
	 *
	 *          test('should return -1 when not present', function() {
	 *
	 *          });
	 *
	 *          test('should return the index when present', function() {
	 *
	 *          });
	 *
	 *          suiteTeardown(function() {
	 *
	 *          });
	 *        });
	 *      });
	 *
	 * @param {Suite} suite Root suite.
	 */

	var tdd = function tdd(suite) {
	  var suites = [suite];
	  suite.on(EVENT_FILE_PRE_REQUIRE$1, function (context, file, mocha) {
	    var common = common$1(suites, context, mocha);
	    context.setup = common.beforeEach;
	    context.teardown = common.afterEach;
	    context.suiteSetup = common.before;
	    context.suiteTeardown = common.after;
	    context.run = mocha.options.delay && common.runWithSuite(suite);
	    /**
	     * Describe a "suite" with the given `title` and callback `fn` containing
	     * nested suites and/or tests.
	     */

	    context.suite = function (title, fn) {
	      return common.suite.create({
	        title: title,
	        file: file,
	        fn: fn
	      });
	    };
	    /**
	     * Pending suite.
	     */


	    context.suite.skip = function (title, fn) {
	      return common.suite.skip({
	        title: title,
	        file: file,
	        fn: fn
	      });
	    };
	    /**
	     * Exclusive test-case.
	     */


	    context.suite.only = function (title, fn) {
	      return common.suite.only({
	        title: title,
	        file: file,
	        fn: fn
	      });
	    };
	    /**
	     * Describe a specification or test-case with the given `title` and
	     * callback `fn` acting as a thunk.
	     */


	    context.test = function (title, fn) {
	      var suite = suites[0];

	      if (suite.isPending()) {
	        fn = null;
	      }

	      var test = new test$1(title, fn);
	      test.file = file;
	      suite.addTest(test);
	      return test;
	    };
	    /**
	     * Exclusive test-case.
	     */


	    context.test.only = function (title, fn) {
	      return common.test.only(mocha, context.test(title, fn));
	    };

	    context.test.skip = common.test.skip;
	    context.test.retries = common.test.retries;
	  });
	};

	var description$1 = 'traditional "suite"/"test" instead of BDD\'s "describe"/"it"';
	tdd.description = description$1;

	var EVENT_FILE_PRE_REQUIRE$2 = suite.constants.EVENT_FILE_PRE_REQUIRE;
	/**
	 * QUnit-style interface:
	 *
	 *     suite('Array');
	 *
	 *     test('#length', function() {
	 *       var arr = [1,2,3];
	 *       ok(arr.length == 3);
	 *     });
	 *
	 *     test('#indexOf()', function() {
	 *       var arr = [1,2,3];
	 *       ok(arr.indexOf(1) == 0);
	 *       ok(arr.indexOf(2) == 1);
	 *       ok(arr.indexOf(3) == 2);
	 *     });
	 *
	 *     suite('String');
	 *
	 *     test('#length', function() {
	 *       ok('foo'.length == 3);
	 *     });
	 *
	 * @param {Suite} suite Root suite.
	 */

	var qunit = function qUnitInterface(suite) {
	  var suites = [suite];
	  suite.on(EVENT_FILE_PRE_REQUIRE$2, function (context, file, mocha) {
	    var common = common$1(suites, context, mocha);
	    context.before = common.before;
	    context.after = common.after;
	    context.beforeEach = common.beforeEach;
	    context.afterEach = common.afterEach;
	    context.run = mocha.options.delay && common.runWithSuite(suite);
	    /**
	     * Describe a "suite" with the given `title`.
	     */

	    context.suite = function (title) {
	      if (suites.length > 1) {
	        suites.shift();
	      }

	      return common.suite.create({
	        title: title,
	        file: file,
	        fn: false
	      });
	    };
	    /**
	     * Exclusive Suite.
	     */


	    context.suite.only = function (title) {
	      if (suites.length > 1) {
	        suites.shift();
	      }

	      return common.suite.only({
	        title: title,
	        file: file,
	        fn: false
	      });
	    };
	    /**
	     * Describe a specification or test-case
	     * with the given `title` and callback `fn`
	     * acting as a thunk.
	     */


	    context.test = function (title, fn) {
	      var test = new test$1(title, fn);
	      test.file = file;
	      suites[0].addTest(test);
	      return test;
	    };
	    /**
	     * Exclusive test-case.
	     */


	    context.test.only = function (title, fn) {
	      return common.test.only(mocha, context.test(title, fn));
	    };

	    context.test.skip = common.test.skip;
	    context.test.retries = common.test.retries;
	  });
	};

	var description$2 = 'QUnit style';
	qunit.description = description$2;

	/**
	 * Exports-style (as Node.js module) interface:
	 *
	 *     exports.Array = {
	 *       '#indexOf()': {
	 *         'should return -1 when the value is not present': function() {
	 *
	 *         },
	 *
	 *         'should return the correct index when the value is present': function() {
	 *
	 *         }
	 *       }
	 *     };
	 *
	 * @param {Suite} suite Root suite.
	 */


	var exports$1 = function exports(suite$1) {
	  var suites = [suite$1];
	  suite$1.on(suite.constants.EVENT_FILE_REQUIRE, visit);

	  function visit(obj, file) {
	    var suite$1;

	    for (var key in obj) {
	      if (typeof obj[key] === 'function') {
	        var fn = obj[key];

	        switch (key) {
	          case 'before':
	            suites[0].beforeAll(fn);
	            break;

	          case 'after':
	            suites[0].afterAll(fn);
	            break;

	          case 'beforeEach':
	            suites[0].beforeEach(fn);
	            break;

	          case 'afterEach':
	            suites[0].afterEach(fn);
	            break;

	          default:
	            var test = new test$1(key, fn);
	            test.file = file;
	            suites[0].addTest(test);
	        }
	      } else {
	        suite$1 = suite.create(suites[0], key);
	        suites.unshift(suite$1);
	        visit(obj[key], file);
	        suites.shift();
	      }
	    }
	  }
	};

	var description$3 = 'Node.js module ("exports") style';
	exports$1.description = description$3;

	var bdd$1 = bdd;
	var tdd$1 = tdd;
	var qunit$1 = qunit;
	var exports$2 = exports$1;
	var interfaces = {
	  bdd: bdd$1,
	  tdd: tdd$1,
	  qunit: qunit$1,
	  exports: exports$2
	};

	/**
	 * @module Context
	 */

	/**
	 * Expose `Context`.
	 */

	var context = Context;
	/**
	 * Initialize a new `Context`.
	 *
	 * @private
	 */

	function Context() {}
	/**
	 * Set or get the context `Runnable` to `runnable`.
	 *
	 * @private
	 * @param {Runnable} runnable
	 * @return {Context} context
	 */


	Context.prototype.runnable = function (runnable) {
	  if (!arguments.length) {
	    return this._runnable;
	  }

	  this.test = this._runnable = runnable;
	  return this;
	};
	/**
	 * Set or get test timeout `ms`.
	 *
	 * @private
	 * @param {number} ms
	 * @return {Context} self
	 */


	Context.prototype.timeout = function (ms) {
	  if (!arguments.length) {
	    return this.runnable().timeout();
	  }

	  this.runnable().timeout(ms);
	  return this;
	};
	/**
	 * Set or get test slowness threshold `ms`.
	 *
	 * @private
	 * @param {number} ms
	 * @return {Context} self
	 */


	Context.prototype.slow = function (ms) {
	  if (!arguments.length) {
	    return this.runnable().slow();
	  }

	  this.runnable().slow(ms);
	  return this;
	};
	/**
	 * Mark a test as skipped.
	 *
	 * @private
	 * @throws Pending
	 */


	Context.prototype.skip = function () {
	  this.runnable().skip();
	};
	/**
	 * Set or get a number of allowed retries on failed tests
	 *
	 * @private
	 * @param {number} n
	 * @return {Context} self
	 */


	Context.prototype.retries = function (n) {
	  if (!arguments.length) {
	    return this.runnable().retries();
	  }

	  this.runnable().retries(n);
	  return this;
	};

	var mocharc$2 = getCjsExportFromNamespace(mocharc$1);

	var mocha = createCommonjsModule(function (module, exports) {
	  /*!
	   * mocha
	   * Copyright(c) 2011 TJ Holowaychuk <tj@vision-media.ca>
	   * MIT Licensed
	   */

	  var esmUtils = utils.supportsEsModules(true) ? require$$11 : undefined;
	  var warn = errors.warn,
	      createInvalidReporterError = errors.createInvalidReporterError,
	      createInvalidInterfaceError = errors.createInvalidInterfaceError,
	      createMochaInstanceAlreadyDisposedError = errors.createMochaInstanceAlreadyDisposedError,
	      createMochaInstanceAlreadyRunningError = errors.createMochaInstanceAlreadyRunningError,
	      createUnsupportedError = errors.createUnsupportedError;
	  var _Suite$constants = suite.constants,
	      EVENT_FILE_PRE_REQUIRE = _Suite$constants.EVENT_FILE_PRE_REQUIRE,
	      EVENT_FILE_POST_REQUIRE = _Suite$constants.EVENT_FILE_POST_REQUIRE,
	      EVENT_FILE_REQUIRE = _Suite$constants.EVENT_FILE_REQUIRE;
	  var sQuote = utils.sQuote;
	  var debug = browser$2('mocha:mocha');
	  exports = module.exports = Mocha;
	  /**
	   * A Mocha instance is a finite state machine.
	   * These are the states it can be in.
	   * @private
	   */

	  var mochaStates = utils.defineConstants({
	    /**
	     * Initial state of the mocha instance
	     * @private
	     */
	    INIT: 'init',

	    /**
	     * Mocha instance is running tests
	     * @private
	     */
	    RUNNING: 'running',

	    /**
	     * Mocha instance is done running tests and references to test functions and hooks are cleaned.
	     * You can reset this state by unloading the test files.
	     * @private
	     */
	    REFERENCES_CLEANED: 'referencesCleaned',

	    /**
	     * Mocha instance is disposed and can no longer be used.
	     * @private
	     */
	    DISPOSED: 'disposed'
	  });
	  /**
	   * To require local UIs and reporters when running in node.
	   */

	  if (!utils.isBrowser() && typeof module.paths !== 'undefined') {
	    var cwd = utils.cwd();
	    module.paths.push(cwd, path$1.join(cwd, 'node_modules'));
	  }
	  /**
	   * Expose internals.
	   * @private
	   */


	  exports.utils = utils;
	  exports.interfaces = interfaces;
	  /**
	   * @public
	   * @memberof Mocha
	   */

	  exports.reporters = reporters;
	  exports.Runnable = runnable;
	  exports.Context = context;
	  /**
	   *
	   * @memberof Mocha
	   */

	  exports.Runner = runner$1;
	  exports.Suite = suite;
	  exports.Hook = hook;
	  exports.Test = test$1;
	  /**
	   * Constructs a new Mocha instance with `options`.
	   *
	   * @public
	   * @class Mocha
	   * @param {Object} [options] - Settings object.
	   * @param {boolean} [options.allowUncaught] - Propagate uncaught errors?
	   * @param {boolean} [options.asyncOnly] - Force `done` callback or promise?
	   * @param {boolean} [options.bail] - Bail after first test failure?
	   * @param {boolean} [options.checkLeaks] - Check for global variable leaks?
	   * @param {boolean} [options.color] - Color TTY output from reporter?
	   * @param {boolean} [options.delay] - Delay root suite execution?
	   * @param {boolean} [options.diff] - Show diff on failure?
	   * @param {string} [options.fgrep] - Test filter given string.
	   * @param {boolean} [options.forbidOnly] - Tests marked `only` fail the suite?
	   * @param {boolean} [options.forbidPending] - Pending tests fail the suite?
	   * @param {boolean} [options.fullTrace] - Full stacktrace upon failure?
	   * @param {string[]} [options.global] - Variables expected in global scope.
	   * @param {RegExp|string} [options.grep] - Test filter given regular expression.
	   * @param {boolean} [options.growl] - Enable desktop notifications?
	   * @param {boolean} [options.inlineDiffs] - Display inline diffs?
	   * @param {boolean} [options.invert] - Invert test filter matches?
	   * @param {boolean} [options.noHighlighting] - Disable syntax highlighting?
	   * @param {string|constructor} [options.reporter] - Reporter name or constructor.
	   * @param {Object} [options.reporterOption] - Reporter settings object.
	   * @param {number} [options.retries] - Number of times to retry failed tests.
	   * @param {number} [options.slow] - Slow threshold value.
	   * @param {number|string} [options.timeout] - Timeout threshold value.
	   * @param {string} [options.ui] - Interface name.
	   * @param {boolean} [options.parallel] - Run jobs in parallel
	   * @param {number} [options.jobs] - Max number of worker processes for parallel runs
	   * @param {MochaRootHookObject} [options.rootHooks] - Hooks to bootstrap the root
	   * suite with
	   * @param {boolean} [options.isWorker] - Should be `true` if `Mocha` process is running in a worker process.
	   */

	  function Mocha() {
	    var options = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
	    options = _objectSpread2(_objectSpread2({}, mocharc$2), options);
	    this.files = [];
	    this.options = options; // root suite

	    this.suite = new exports.Suite('', new exports.Context(), true);
	    this._cleanReferencesAfterRun = true;
	    this._state = mochaStates.INIT;
	    this.grep(options.grep).fgrep(options.fgrep).ui(options.ui).reporter(options.reporter, options.reporterOption || options.reporterOptions // reporterOptions was previously the only way to specify options to reporter
	    ).slow(options.slow).global(options.global); // this guard exists because Suite#timeout does not consider `undefined` to be valid input

	    if (typeof options.timeout !== 'undefined') {
	      this.timeout(options.timeout === false ? 0 : options.timeout);
	    }

	    if ('retries' in options) {
	      this.retries(options.retries);
	    }

	    ['allowUncaught', 'asyncOnly', 'bail', 'checkLeaks', 'color', 'delay', 'diff', 'forbidOnly', 'forbidPending', 'fullTrace', 'growl', 'inlineDiffs', 'invert'].forEach(function (opt) {
	      if (options[opt]) {
	        this[opt]();
	      }
	    }, this);

	    if (options.rootHooks) {
	      this.rootHooks(options.rootHooks);
	    }
	    /**
	     * The class which we'll instantiate in {@link Mocha#run}.  Defaults to
	     * {@link Runner} in serial mode; changes in parallel mode.
	     * @memberof Mocha
	     * @private
	     */


	    this._runnerClass = exports.Runner;
	    /**
	     * Whether or not to call {@link Mocha#loadFiles} implicitly when calling
	     * {@link Mocha#run}.  If this is `true`, then it's up to the consumer to call
	     * {@link Mocha#loadFiles} _or_ {@link Mocha#loadFilesAsync}.
	     * @private
	     * @memberof Mocha
	     */

	    this._lazyLoadFiles = false;
	    /**
	     * It's useful for a Mocha instance to know if it's running in a worker process.
	     * We could derive this via other means, but it's helpful to have a flag to refer to.
	     * @memberof Mocha
	     * @private
	     */

	    this.isWorker = Boolean(options.isWorker);
	    this.globalSetup(options.globalSetup).globalTeardown(options.globalTeardown).enableGlobalSetup(options.enableGlobalSetup).enableGlobalTeardown(options.enableGlobalTeardown);

	    if (options.parallel && (typeof options.jobs === 'undefined' || options.jobs > 1)) {
	      debug('attempting to enable parallel mode');
	      this.parallelMode(true);
	    }
	  }
	  /**
	   * Enables or disables bailing on the first failure.
	   *
	   * @public
	   * @see [CLI option](../#-bail-b)
	   * @param {boolean} [bail=true] - Whether to bail on first error.
	   * @returns {Mocha} this
	   * @chainable
	   */


	  Mocha.prototype.bail = function (bail) {
	    this.suite.bail(bail !== false);
	    return this;
	  };
	  /**
	   * @summary
	   * Adds `file` to be loaded for execution.
	   *
	   * @description
	   * Useful for generic setup code that must be included within test suite.
	   *
	   * @public
	   * @see [CLI option](../#-file-filedirectoryglob)
	   * @param {string} file - Pathname of file to be loaded.
	   * @returns {Mocha} this
	   * @chainable
	   */


	  Mocha.prototype.addFile = function (file) {
	    this.files.push(file);
	    return this;
	  };
	  /**
	   * Sets reporter to `reporter`, defaults to "spec".
	   *
	   * @public
	   * @see [CLI option](../#-reporter-name-r-name)
	   * @see [Reporters](../#reporters)
	   * @param {String|Function} reporterName - Reporter name or constructor.
	   * @param {Object} [reporterOptions] - Options used to configure the reporter.
	   * @returns {Mocha} this
	   * @chainable
	   * @throws {Error} if requested reporter cannot be loaded
	   * @example
	   *
	   * // Use XUnit reporter and direct its output to file
	   * mocha.reporter('xunit', { output: '/path/to/testspec.xunit.xml' });
	   */


	  Mocha.prototype.reporter = function (reporterName, reporterOptions) {
	    if (typeof reporterName === 'function') {
	      this._reporter = reporterName;
	    } else {
	      reporterName = reporterName || 'spec';
	      var reporter; // Try to load a built-in reporter.

	      if (reporters[reporterName]) {
	        reporter = reporters[reporterName];
	      } // Try to load reporters from process.cwd() and node_modules


	      if (!reporter) {
	        try {
	          reporter = commonjsRequire(reporterName);
	        } catch (err) {
	          if (err.code === 'MODULE_NOT_FOUND') {
	            // Try to load reporters from a path (absolute or relative)
	            try {
	              reporter = commonjsRequire(path$1.resolve(utils.cwd(), reporterName));
	            } catch (_err) {
	              _err.code === 'MODULE_NOT_FOUND' ? warn(sQuote(reporterName) + ' reporter not found') : warn(sQuote(reporterName) + ' reporter blew up with error:\n' + err.stack);
	            }
	          } else {
	            warn(sQuote(reporterName) + ' reporter blew up with error:\n' + err.stack);
	          }
	        }
	      }

	      if (!reporter) {
	        throw createInvalidReporterError('invalid reporter ' + sQuote(reporterName), reporterName);
	      }

	      this._reporter = reporter;
	    }

	    this.options.reporterOption = reporterOptions; // alias option name is used in public reporters xunit/tap/progress

	    this.options.reporterOptions = reporterOptions;
	    return this;
	  };
	  /**
	   * Sets test UI `name`, defaults to "bdd".
	   *
	   * @public
	   * @see [CLI option](../#-ui-name-u-name)
	   * @see [Interface DSLs](../#interfaces)
	   * @param {string|Function} [ui=bdd] - Interface name or class.
	   * @returns {Mocha} this
	   * @chainable
	   * @throws {Error} if requested interface cannot be loaded
	   */


	  Mocha.prototype.ui = function (ui) {
	    var bindInterface;

	    if (typeof ui === 'function') {
	      bindInterface = ui;
	    } else {
	      ui = ui || 'bdd';
	      bindInterface = exports.interfaces[ui];

	      if (!bindInterface) {
	        try {
	          bindInterface = commonjsRequire(ui);
	        } catch (err) {
	          throw createInvalidInterfaceError('invalid interface ' + sQuote(ui), ui);
	        }
	      }
	    }

	    bindInterface(this.suite);
	    this.suite.on(EVENT_FILE_PRE_REQUIRE, function (context) {
	      exports.afterEach = context.afterEach || context.teardown;
	      exports.after = context.after || context.suiteTeardown;
	      exports.beforeEach = context.beforeEach || context.setup;
	      exports.before = context.before || context.suiteSetup;
	      exports.describe = context.describe || context.suite;
	      exports.it = context.it || context.test;
	      exports.xit = context.xit || context.test && context.test.skip;
	      exports.setup = context.setup || context.beforeEach;
	      exports.suiteSetup = context.suiteSetup || context.before;
	      exports.suiteTeardown = context.suiteTeardown || context.after;
	      exports.suite = context.suite || context.describe;
	      exports.teardown = context.teardown || context.afterEach;
	      exports.test = context.test || context.it;
	      exports.run = context.run;
	    });
	    return this;
	  };
	  /**
	   * Loads `files` prior to execution. Does not support ES Modules.
	   *
	   * @description
	   * The implementation relies on Node's `require` to execute
	   * the test interface functions and will be subject to its cache.
	   * Supports only CommonJS modules. To load ES modules, use Mocha#loadFilesAsync.
	   *
	   * @private
	   * @see {@link Mocha#addFile}
	   * @see {@link Mocha#run}
	   * @see {@link Mocha#unloadFiles}
	   * @see {@link Mocha#loadFilesAsync}
	   * @param {Function} [fn] - Callback invoked upon completion.
	   */


	  Mocha.prototype.loadFiles = function (fn) {
	    var self = this;
	    var suite = this.suite;
	    this.files.forEach(function (file) {
	      file = path$1.resolve(file);
	      suite.emit(EVENT_FILE_PRE_REQUIRE, commonjsGlobal, file, self);
	      suite.emit(EVENT_FILE_REQUIRE, commonjsRequire(), file, self);
	      suite.emit(EVENT_FILE_POST_REQUIRE, commonjsGlobal, file, self);
	    });
	    fn && fn();
	  };
	  /**
	   * Loads `files` prior to execution. Supports Node ES Modules.
	   *
	   * @description
	   * The implementation relies on Node's `require` and `import` to execute
	   * the test interface functions and will be subject to its cache.
	   * Supports both CJS and ESM modules.
	   *
	   * @public
	   * @see {@link Mocha#addFile}
	   * @see {@link Mocha#run}
	   * @see {@link Mocha#unloadFiles}
	   * @returns {Promise}
	   * @example
	   *
	   * // loads ESM (and CJS) test files asynchronously, then runs root suite
	   * mocha.loadFilesAsync()
	   *   .then(() => mocha.run(failures => process.exitCode = failures ? 1 : 0))
	   *   .catch(() => process.exitCode = 1);
	   */


	  Mocha.prototype.loadFilesAsync = function () {
	    var self = this;
	    var suite = this.suite;
	    this.lazyLoadFiles(true);

	    if (!esmUtils) {
	      return new Promise(function (resolve) {
	        self.loadFiles(resolve);
	      });
	    }

	    return esmUtils.loadFilesAsync(this.files, function (file) {
	      suite.emit(EVENT_FILE_PRE_REQUIRE, commonjsGlobal, file, self);
	    }, function (file, resultModule) {
	      suite.emit(EVENT_FILE_REQUIRE, resultModule, file, self);
	      suite.emit(EVENT_FILE_POST_REQUIRE, commonjsGlobal, file, self);
	    });
	  };
	  /**
	   * Removes a previously loaded file from Node's `require` cache.
	   *
	   * @private
	   * @static
	   * @see {@link Mocha#unloadFiles}
	   * @param {string} file - Pathname of file to be unloaded.
	   */


	  Mocha.unloadFile = function (file) {
	    if (utils.isBrowser()) {
	      throw createUnsupportedError('unloadFile() is only suported in a Node.js environment');
	    }

	    return require$$11.unloadFile(file);
	  };
	  /**
	   * Unloads `files` from Node's `require` cache.
	   *
	   * @description
	   * This allows required files to be "freshly" reloaded, providing the ability
	   * to reuse a Mocha instance programmatically.
	   * Note: does not clear ESM module files from the cache
	   *
	   * <strong>Intended for consumers &mdash; not used internally</strong>
	   *
	   * @public
	   * @see {@link Mocha#run}
	   * @returns {Mocha} this
	   * @chainable
	   */


	  Mocha.prototype.unloadFiles = function () {
	    if (this._state === mochaStates.DISPOSED) {
	      throw createMochaInstanceAlreadyDisposedError('Mocha instance is already disposed, it cannot be used again.', this._cleanReferencesAfterRun, this);
	    }

	    this.files.forEach(function (file) {
	      Mocha.unloadFile(file);
	    });
	    this._state = mochaStates.INIT;
	    return this;
	  };
	  /**
	   * Sets `grep` filter after escaping RegExp special characters.
	   *
	   * @public
	   * @see {@link Mocha#grep}
	   * @param {string} str - Value to be converted to a regexp.
	   * @returns {Mocha} this
	   * @chainable
	   * @example
	   *
	   * // Select tests whose full title begins with `"foo"` followed by a period
	   * mocha.fgrep('foo.');
	   */


	  Mocha.prototype.fgrep = function (str) {
	    if (!str) {
	      return this;
	    }

	    return this.grep(new RegExp(escapeStringRegexp(str)));
	  };
	  /**
	   * @summary
	   * Sets `grep` filter used to select specific tests for execution.
	   *
	   * @description
	   * If `re` is a regexp-like string, it will be converted to regexp.
	   * The regexp is tested against the full title of each test (i.e., the
	   * name of the test preceded by titles of each its ancestral suites).
	   * As such, using an <em>exact-match</em> fixed pattern against the
	   * test name itself will not yield any matches.
	   * <br>
	   * <strong>Previous filter value will be overwritten on each call!</strong>
	   *
	   * @public
	   * @see [CLI option](../#-grep-regexp-g-regexp)
	   * @see {@link Mocha#fgrep}
	   * @see {@link Mocha#invert}
	   * @param {RegExp|String} re - Regular expression used to select tests.
	   * @return {Mocha} this
	   * @chainable
	   * @example
	   *
	   * // Select tests whose full title contains `"match"`, ignoring case
	   * mocha.grep(/match/i);
	   * @example
	   *
	   * // Same as above but with regexp-like string argument
	   * mocha.grep('/match/i');
	   * @example
	   *
	   * // ## Anti-example
	   * // Given embedded test `it('only-this-test')`...
	   * mocha.grep('/^only-this-test$/');    // NO! Use `.only()` to do this!
	   */


	  Mocha.prototype.grep = function (re) {
	    if (utils.isString(re)) {
	      // extract args if it's regex-like, i.e: [string, pattern, flag]
	      var arg = re.match(/^\/(.*)\/(g|i|)$|.*/);
	      this.options.grep = new RegExp(arg[1] || arg[0], arg[2]);
	    } else {
	      this.options.grep = re;
	    }

	    return this;
	  };
	  /**
	   * Inverts `grep` matches.
	   *
	   * @public
	   * @see {@link Mocha#grep}
	   * @return {Mocha} this
	   * @chainable
	   * @example
	   *
	   * // Select tests whose full title does *not* contain `"match"`, ignoring case
	   * mocha.grep(/match/i).invert();
	   */


	  Mocha.prototype.invert = function () {
	    this.options.invert = true;
	    return this;
	  };
	  /**
	   * Enables or disables checking for global variables leaked while running tests.
	   *
	   * @public
	   * @see [CLI option](../#-check-leaks)
	   * @param {boolean} [checkLeaks=true] - Whether to check for global variable leaks.
	   * @return {Mocha} this
	   * @chainable
	   */


	  Mocha.prototype.checkLeaks = function (checkLeaks) {
	    this.options.checkLeaks = checkLeaks !== false;
	    return this;
	  };
	  /**
	   * Enables or disables whether or not to dispose after each test run.
	   * Disable this to ensure you can run the test suite multiple times.
	   * If disabled, be sure to dispose mocha when you're done to prevent memory leaks.
	   * @public
	   * @see {@link Mocha#dispose}
	   * @param {boolean} cleanReferencesAfterRun
	   * @return {Mocha} this
	   * @chainable
	   */


	  Mocha.prototype.cleanReferencesAfterRun = function (cleanReferencesAfterRun) {
	    this._cleanReferencesAfterRun = cleanReferencesAfterRun !== false;
	    return this;
	  };
	  /**
	   * Manually dispose this mocha instance. Mark this instance as `disposed` and unable to run more tests.
	   * It also removes function references to tests functions and hooks, so variables trapped in closures can be cleaned by the garbage collector.
	   * @public
	   */


	  Mocha.prototype.dispose = function () {
	    if (this._state === mochaStates.RUNNING) {
	      throw createMochaInstanceAlreadyRunningError('Cannot dispose while the mocha instance is still running tests.');
	    }

	    this.unloadFiles();
	    this._previousRunner && this._previousRunner.dispose();
	    this.suite.dispose();
	    this._state = mochaStates.DISPOSED;
	  };
	  /**
	   * Displays full stack trace upon test failure.
	   *
	   * @public
	   * @see [CLI option](../#-full-trace)
	   * @param {boolean} [fullTrace=true] - Whether to print full stacktrace upon failure.
	   * @return {Mocha} this
	   * @chainable
	   */


	  Mocha.prototype.fullTrace = function (fullTrace) {
	    this.options.fullTrace = fullTrace !== false;
	    return this;
	  };
	  /**
	   * Enables desktop notification support if prerequisite software installed.
	   *
	   * @public
	   * @see [CLI option](../#-growl-g)
	   * @return {Mocha} this
	   * @chainable
	   */


	  Mocha.prototype.growl = function () {
	    this.options.growl = this.isGrowlCapable();

	    if (!this.options.growl) {
	      var detail = utils.isBrowser() ? 'notification support not available in this browser...' : 'notification support prerequisites not installed...';
	      console.error(detail + ' cannot enable!');
	    }

	    return this;
	  };
	  /**
	   * @summary
	   * Determines if Growl support seems likely.
	   *
	   * @description
	   * <strong>Not available when run in browser.</strong>
	   *
	   * @private
	   * @see {@link Growl#isCapable}
	   * @see {@link Mocha#growl}
	   * @return {boolean} whether Growl support can be expected
	   */


	  Mocha.prototype.isGrowlCapable = growl.isCapable;
	  /**
	   * Implements desktop notifications using a pseudo-reporter.
	   *
	   * @private
	   * @see {@link Mocha#growl}
	   * @see {@link Growl#notify}
	   * @param {Runner} runner - Runner instance.
	   */

	  Mocha.prototype._growl = growl.notify;
	  /**
	   * Specifies whitelist of variable names to be expected in global scope.
	   *
	   * @public
	   * @see [CLI option](../#-global-variable-name)
	   * @see {@link Mocha#checkLeaks}
	   * @param {String[]|String} global - Accepted global variable name(s).
	   * @return {Mocha} this
	   * @chainable
	   * @example
	   *
	   * // Specify variables to be expected in global scope
	   * mocha.global(['jQuery', 'MyLib']);
	   */

	  Mocha.prototype.global = function (global) {
	    this.options.global = (this.options.global || []).concat(global).filter(Boolean).filter(function (elt, idx, arr) {
	      return arr.indexOf(elt) === idx;
	    });
	    return this;
	  }; // for backwards compability, 'globals' is an alias of 'global'


	  Mocha.prototype.globals = Mocha.prototype.global;
	  /**
	   * Enables or disables TTY color output by screen-oriented reporters.
	   *
	   * @public
	   * @see [CLI option](../#-color-c-colors)
	   * @param {boolean} [color=true] - Whether to enable color output.
	   * @return {Mocha} this
	   * @chainable
	   */

	  Mocha.prototype.color = function (color) {
	    this.options.color = color !== false;
	    return this;
	  };
	  /**
	   * Enables or disables reporter to use inline diffs (rather than +/-)
	   * in test failure output.
	   *
	   * @public
	   * @see [CLI option](../#-inline-diffs)
	   * @param {boolean} [inlineDiffs=true] - Whether to use inline diffs.
	   * @return {Mocha} this
	   * @chainable
	   */


	  Mocha.prototype.inlineDiffs = function (inlineDiffs) {
	    this.options.inlineDiffs = inlineDiffs !== false;
	    return this;
	  };
	  /**
	   * Enables or disables reporter to include diff in test failure output.
	   *
	   * @public
	   * @see [CLI option](../#-diff)
	   * @param {boolean} [diff=true] - Whether to show diff on failure.
	   * @return {Mocha} this
	   * @chainable
	   */


	  Mocha.prototype.diff = function (diff) {
	    this.options.diff = diff !== false;
	    return this;
	  };
	  /**
	   * @summary
	   * Sets timeout threshold value.
	   *
	   * @description
	   * A string argument can use shorthand (such as "2s") and will be converted.
	   * If the value is `0`, timeouts will be disabled.
	   *
	   * @public
	   * @see [CLI option](../#-timeout-ms-t-ms)
	   * @see [Timeouts](../#timeouts)
	   * @param {number|string} msecs - Timeout threshold value.
	   * @return {Mocha} this
	   * @chainable
	   * @example
	   *
	   * // Sets timeout to one second
	   * mocha.timeout(1000);
	   * @example
	   *
	   * // Same as above but using string argument
	   * mocha.timeout('1s');
	   */


	  Mocha.prototype.timeout = function (msecs) {
	    this.suite.timeout(msecs);
	    return this;
	  };
	  /**
	   * Sets the number of times to retry failed tests.
	   *
	   * @public
	   * @see [CLI option](../#-retries-n)
	   * @see [Retry Tests](../#retry-tests)
	   * @param {number} retry - Number of times to retry failed tests.
	   * @return {Mocha} this
	   * @chainable
	   * @example
	   *
	   * // Allow any failed test to retry one more time
	   * mocha.retries(1);
	   */


	  Mocha.prototype.retries = function (retry) {
	    this.suite.retries(retry);
	    return this;
	  };
	  /**
	   * Sets slowness threshold value.
	   *
	   * @public
	   * @see [CLI option](../#-slow-ms-s-ms)
	   * @param {number} msecs - Slowness threshold value.
	   * @return {Mocha} this
	   * @chainable
	   * @example
	   *
	   * // Sets "slow" threshold to half a second
	   * mocha.slow(500);
	   * @example
	   *
	   * // Same as above but using string argument
	   * mocha.slow('0.5s');
	   */


	  Mocha.prototype.slow = function (msecs) {
	    this.suite.slow(msecs);
	    return this;
	  };
	  /**
	   * Forces all tests to either accept a `done` callback or return a promise.
	   *
	   * @public
	   * @see [CLI option](../#-async-only-a)
	   * @param {boolean} [asyncOnly=true] - Whether to force `done` callback or promise.
	   * @return {Mocha} this
	   * @chainable
	   */


	  Mocha.prototype.asyncOnly = function (asyncOnly) {
	    this.options.asyncOnly = asyncOnly !== false;
	    return this;
	  };
	  /**
	   * Disables syntax highlighting (in browser).
	   *
	   * @public
	   * @return {Mocha} this
	   * @chainable
	   */


	  Mocha.prototype.noHighlighting = function () {
	    this.options.noHighlighting = true;
	    return this;
	  };
	  /**
	   * Enables or disables uncaught errors to propagate.
	   *
	   * @public
	   * @see [CLI option](../#-allow-uncaught)
	   * @param {boolean} [allowUncaught=true] - Whether to propagate uncaught errors.
	   * @return {Mocha} this
	   * @chainable
	   */


	  Mocha.prototype.allowUncaught = function (allowUncaught) {
	    this.options.allowUncaught = allowUncaught !== false;
	    return this;
	  };
	  /**
	   * @summary
	   * Delays root suite execution.
	   *
	   * @description
	   * Used to perform async operations before any suites are run.
	   *
	   * @public
	   * @see [delayed root suite](../#delayed-root-suite)
	   * @returns {Mocha} this
	   * @chainable
	   */


	  Mocha.prototype.delay = function delay() {
	    this.options.delay = true;
	    return this;
	  };
	  /**
	   * Causes tests marked `only` to fail the suite.
	   *
	   * @public
	   * @see [CLI option](../#-forbid-only)
	   * @param {boolean} [forbidOnly=true] - Whether tests marked `only` fail the suite.
	   * @returns {Mocha} this
	   * @chainable
	   */


	  Mocha.prototype.forbidOnly = function (forbidOnly) {
	    this.options.forbidOnly = forbidOnly !== false;
	    return this;
	  };
	  /**
	   * Causes pending tests and tests marked `skip` to fail the suite.
	   *
	   * @public
	   * @see [CLI option](../#-forbid-pending)
	   * @param {boolean} [forbidPending=true] - Whether pending tests fail the suite.
	   * @returns {Mocha} this
	   * @chainable
	   */


	  Mocha.prototype.forbidPending = function (forbidPending) {
	    this.options.forbidPending = forbidPending !== false;
	    return this;
	  };
	  /**
	   * Throws an error if mocha is in the wrong state to be able to transition to a "running" state.
	   * @private
	   */


	  Mocha.prototype._guardRunningStateTransition = function () {
	    if (this._state === mochaStates.RUNNING) {
	      throw createMochaInstanceAlreadyRunningError('Mocha instance is currently running tests, cannot start a next test run until this one is done', this);
	    }

	    if (this._state === mochaStates.DISPOSED || this._state === mochaStates.REFERENCES_CLEANED) {
	      throw createMochaInstanceAlreadyDisposedError('Mocha instance is already disposed, cannot start a new test run. Please create a new mocha instance. Be sure to set disable `cleanReferencesAfterRun` when you want to reuse the same mocha instance for multiple test runs.', this._cleanReferencesAfterRun, this);
	    }
	  };
	  /**
	   * Mocha version as specified by "package.json".
	   *
	   * @name Mocha#version
	   * @type string
	   * @readonly
	   */


	  Object.defineProperty(Mocha.prototype, 'version', {
	    value: require$$10.version,
	    configurable: false,
	    enumerable: true,
	    writable: false
	  });
	  /**
	   * Callback to be invoked when test execution is complete.
	   *
	   * @private
	   * @callback DoneCB
	   * @param {number} failures - Number of failures that occurred.
	   */

	  /**
	   * Runs root suite and invokes `fn()` when complete.
	   *
	   * @description
	   * To run tests multiple times (or to run tests in files that are
	   * already in the `require` cache), make sure to clear them from
	   * the cache first!
	   *
	   * @public
	   * @see {@link Mocha#unloadFiles}
	   * @see {@link Runner#run}
	   * @param {DoneCB} [fn] - Callback invoked when test execution completed.
	   * @returns {Runner} runner instance
	   * @example
	   *
	   * // exit with non-zero status if there were test failures
	   * mocha.run(failures => process.exitCode = failures ? 1 : 0);
	   */

	  Mocha.prototype.run = function (fn) {
	    var _this = this;

	    this._guardRunningStateTransition();

	    this._state = mochaStates.RUNNING;

	    if (this._previousRunner) {
	      this._previousRunner.dispose();

	      this.suite.reset();
	    }

	    if (this.files.length && !this._lazyLoadFiles) {
	      this.loadFiles();
	    }

	    var suite = this.suite;
	    var options = this.options;
	    options.files = this.files;
	    var runner = new this._runnerClass(suite, {
	      delay: options.delay,
	      cleanReferencesAfterRun: this._cleanReferencesAfterRun
	    });
	    statsCollector(runner);
	    var reporter = new this._reporter(runner, options);
	    runner.checkLeaks = options.checkLeaks === true;
	    runner.fullStackTrace = options.fullTrace;
	    runner.asyncOnly = options.asyncOnly;
	    runner.allowUncaught = options.allowUncaught;
	    runner.forbidOnly = options.forbidOnly;
	    runner.forbidPending = options.forbidPending;

	    if (options.grep) {
	      runner.grep(options.grep, options.invert);
	    }

	    if (options.global) {
	      runner.globals(options.global);
	    }

	    if (options.growl) {
	      this._growl(runner);
	    }

	    if (options.color !== undefined) {
	      exports.reporters.Base.useColors = options.color;
	    }

	    exports.reporters.Base.inlineDiffs = options.inlineDiffs;
	    exports.reporters.Base.hideDiff = !options.diff;

	    var done = function done(failures) {
	      _this._previousRunner = runner;
	      _this._state = _this._cleanReferencesAfterRun ? mochaStates.REFERENCES_CLEANED : mochaStates.INIT;
	      fn = fn || utils.noop;

	      if (typeof reporter.done === 'function') {
	        reporter.done(failures, fn);
	      } else {
	        fn(failures);
	      }
	    };

	    var runAsync = /*#__PURE__*/function () {
	      var _ref = _asyncToGenerator( /*#__PURE__*/regeneratorRuntime.mark(function _callee(runner) {
	        var context, failureCount;
	        return regeneratorRuntime.wrap(function _callee$(_context) {
	          while (1) {
	            switch (_context.prev = _context.next) {
	              case 0:
	                if (!(_this.options.enableGlobalSetup && _this.hasGlobalSetupFixtures())) {
	                  _context.next = 6;
	                  break;
	                }

	                _context.next = 3;
	                return _this.runGlobalSetup(runner);

	              case 3:
	                _context.t0 = _context.sent;
	                _context.next = 7;
	                break;

	              case 6:
	                _context.t0 = {};

	              case 7:
	                context = _context.t0;
	                _context.next = 10;
	                return runner.runAsync({
	                  files: _this.files,
	                  options: options
	                });

	              case 10:
	                failureCount = _context.sent;

	                if (!(_this.options.enableGlobalTeardown && _this.hasGlobalTeardownFixtures())) {
	                  _context.next = 14;
	                  break;
	                }

	                _context.next = 14;
	                return _this.runGlobalTeardown(runner, {
	                  context: context
	                });

	              case 14:
	                return _context.abrupt("return", failureCount);

	              case 15:
	              case "end":
	                return _context.stop();
	            }
	          }
	        }, _callee);
	      }));

	      return function runAsync(_x) {
	        return _ref.apply(this, arguments);
	      };
	    }(); // no "catch" here is intentional. errors coming out of
	    // Runner#run are considered uncaught/unhandled and caught
	    // by the `process` event listeners.
	    // also: returning anything other than `runner` would be a breaking
	    // change


	    runAsync(runner).then(done);
	    return runner;
	  };
	  /**
	   * Assigns hooks to the root suite
	   * @param {MochaRootHookObject} [hooks] - Hooks to assign to root suite
	   * @chainable
	   */


	  Mocha.prototype.rootHooks = function rootHooks() {
	    var _this2 = this;

	    var _ref2 = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {},
	        _ref2$beforeAll = _ref2.beforeAll,
	        beforeAll = _ref2$beforeAll === void 0 ? [] : _ref2$beforeAll,
	        _ref2$beforeEach = _ref2.beforeEach,
	        beforeEach = _ref2$beforeEach === void 0 ? [] : _ref2$beforeEach,
	        _ref2$afterAll = _ref2.afterAll,
	        afterAll = _ref2$afterAll === void 0 ? [] : _ref2$afterAll,
	        _ref2$afterEach = _ref2.afterEach,
	        afterEach = _ref2$afterEach === void 0 ? [] : _ref2$afterEach;

	    beforeAll = utils.castArray(beforeAll);
	    beforeEach = utils.castArray(beforeEach);
	    afterAll = utils.castArray(afterAll);
	    afterEach = utils.castArray(afterEach);
	    beforeAll.forEach(function (hook) {
	      _this2.suite.beforeAll(hook);
	    });
	    beforeEach.forEach(function (hook) {
	      _this2.suite.beforeEach(hook);
	    });
	    afterAll.forEach(function (hook) {
	      _this2.suite.afterAll(hook);
	    });
	    afterEach.forEach(function (hook) {
	      _this2.suite.afterEach(hook);
	    });
	    return this;
	  };
	  /**
	   * Toggles parallel mode.
	   *
	   * Must be run before calling {@link Mocha#run}. Changes the `Runner` class to
	   * use; also enables lazy file loading if not already done so.
	   *
	   * Warning: when passed `false` and lazy loading has been enabled _via any means_ (including calling `parallelMode(true)`), this method will _not_ disable lazy loading. Lazy loading is a prerequisite for parallel
	   * mode, but parallel mode is _not_ a prerequisite for lazy loading!
	   * @param {boolean} [enable] - If `true`, enable; otherwise disable.
	   * @throws If run in browser
	   * @throws If Mocha not in `INIT` state
	   * @returns {Mocha}
	   * @chainable
	   * @public
	   */


	  Mocha.prototype.parallelMode = function parallelMode() {
	    var enable = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : true;

	    if (utils.isBrowser()) {
	      throw createUnsupportedError('parallel mode is only supported in Node.js');
	    }

	    var parallel = Boolean(enable);

	    if (parallel === this.options.parallel && this._lazyLoadFiles && this._runnerClass !== exports.Runner) {
	      return this;
	    }

	    if (this._state !== mochaStates.INIT) {
	      throw createUnsupportedError('cannot change parallel mode after having called run()');
	    }

	    this.options.parallel = parallel; // swap Runner class

	    this._runnerClass = parallel ? require$$11 : exports.Runner; // lazyLoadFiles may have been set `true` otherwise (for ESM loading),
	    // so keep `true` if so.

	    return this.lazyLoadFiles(this._lazyLoadFiles || parallel);
	  };
	  /**
	   * Disables implicit call to {@link Mocha#loadFiles} in {@link Mocha#run}. This
	   * setting is used by watch mode, parallel mode, and for loading ESM files.
	   * @todo This should throw if we've already loaded files; such behavior
	   * necessitates adding a new state.
	   * @param {boolean} [enable] - If `true`, disable eager loading of files in
	   * {@link Mocha#run}
	   * @chainable
	   * @public
	   */


	  Mocha.prototype.lazyLoadFiles = function lazyLoadFiles(enable) {
	    this._lazyLoadFiles = enable === true;
	    debug('set lazy load to %s', enable);
	    return this;
	  };
	  /**
	   * Configures one or more global setup fixtures.
	   *
	   * If given no parameters, _unsets_ any previously-set fixtures.
	   * @chainable
	   * @public
	   * @param {MochaGlobalFixture|MochaGlobalFixture[]} [setupFns] - Global setup fixture(s)
	   * @returns {Mocha}
	   */


	  Mocha.prototype.globalSetup = function globalSetup() {
	    var setupFns = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : [];
	    setupFns = utils.castArray(setupFns);
	    this.options.globalSetup = setupFns;
	    debug('configured %d global setup functions', setupFns.length);
	    return this;
	  };
	  /**
	   * Configures one or more global teardown fixtures.
	   *
	   * If given no parameters, _unsets_ any previously-set fixtures.
	   * @chainable
	   * @public
	   * @param {MochaGlobalFixture|MochaGlobalFixture[]} [teardownFns] - Global teardown fixture(s)
	   * @returns {Mocha}
	   */


	  Mocha.prototype.globalTeardown = function globalTeardown() {
	    var teardownFns = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : [];
	    teardownFns = utils.castArray(teardownFns);
	    this.options.globalTeardown = teardownFns;
	    debug('configured %d global teardown functions', teardownFns.length);
	    return this;
	  };
	  /**
	   * Run any global setup fixtures sequentially, if any.
	   *
	   * This is _automatically called_ by {@link Mocha#run} _unless_ the `runGlobalSetup` option is `false`; see {@link Mocha#enableGlobalSetup}.
	   *
	   * The context object this function resolves with should be consumed by {@link Mocha#runGlobalTeardown}.
	   * @param {object} [context] - Context object if already have one
	   * @public
	   * @returns {Promise<object>} Context object
	   */


	  Mocha.prototype.runGlobalSetup = /*#__PURE__*/function () {
	    var _runGlobalSetup = _asyncToGenerator( /*#__PURE__*/regeneratorRuntime.mark(function _callee2() {
	      var context,
	          globalSetup,
	          _args2 = arguments;
	      return regeneratorRuntime.wrap(function _callee2$(_context2) {
	        while (1) {
	          switch (_context2.prev = _context2.next) {
	            case 0:
	              context = _args2.length > 0 && _args2[0] !== undefined ? _args2[0] : {};
	              globalSetup = this.options.globalSetup;

	              if (!(globalSetup && globalSetup.length)) {
	                _context2.next = 7;
	                break;
	              }

	              debug('run(): global setup starting');
	              _context2.next = 6;
	              return this._runGlobalFixtures(globalSetup, context);

	            case 6:
	              debug('run(): global setup complete');

	            case 7:
	              return _context2.abrupt("return", context);

	            case 8:
	            case "end":
	              return _context2.stop();
	          }
	        }
	      }, _callee2, this);
	    }));

	    function runGlobalSetup() {
	      return _runGlobalSetup.apply(this, arguments);
	    }

	    return runGlobalSetup;
	  }();
	  /**
	   * Run any global teardown fixtures sequentially, if any.
	   *
	   * This is _automatically called_ by {@link Mocha#run} _unless_ the `runGlobalTeardown` option is `false`; see {@link Mocha#enableGlobalTeardown}.
	   *
	   * Should be called with context object returned by {@link Mocha#runGlobalSetup}, if applicable.
	   * @param {object} [context] - Context object if already have one
	   * @public
	   * @returns {Promise<object>} Context object
	   */


	  Mocha.prototype.runGlobalTeardown = /*#__PURE__*/function () {
	    var _runGlobalTeardown = _asyncToGenerator( /*#__PURE__*/regeneratorRuntime.mark(function _callee3() {
	      var context,
	          globalTeardown,
	          _args3 = arguments;
	      return regeneratorRuntime.wrap(function _callee3$(_context3) {
	        while (1) {
	          switch (_context3.prev = _context3.next) {
	            case 0:
	              context = _args3.length > 0 && _args3[0] !== undefined ? _args3[0] : {};
	              globalTeardown = this.options.globalTeardown;

	              if (!(globalTeardown && globalTeardown.length)) {
	                _context3.next = 6;
	                break;
	              }

	              debug('run(): global teardown starting');
	              _context3.next = 6;
	              return this._runGlobalFixtures(globalTeardown, context);

	            case 6:
	              debug('run(): global teardown complete');
	              return _context3.abrupt("return", context);

	            case 8:
	            case "end":
	              return _context3.stop();
	          }
	        }
	      }, _callee3, this);
	    }));

	    function runGlobalTeardown() {
	      return _runGlobalTeardown.apply(this, arguments);
	    }

	    return runGlobalTeardown;
	  }();
	  /**
	   * Run global fixtures sequentially with context `context`
	   * @private
	   * @param {MochaGlobalFixture[]} [fixtureFns] - Fixtures to run
	   * @param {object} [context] - context object
	   * @returns {Promise<object>} context object
	   */


	  Mocha.prototype._runGlobalFixtures = /*#__PURE__*/function () {
	    var _runGlobalFixtures2 = _asyncToGenerator( /*#__PURE__*/regeneratorRuntime.mark(function _callee4() {
	      var fixtureFns,
	          context,
	          _iteratorNormalCompletion,
	          _didIteratorError,
	          _iteratorError,
	          _iterator,
	          _step,
	          _value,
	          fixtureFn,
	          _args4 = arguments;

	      return regeneratorRuntime.wrap(function _callee4$(_context4) {
	        while (1) {
	          switch (_context4.prev = _context4.next) {
	            case 0:
	              fixtureFns = _args4.length > 0 && _args4[0] !== undefined ? _args4[0] : [];
	              context = _args4.length > 1 && _args4[1] !== undefined ? _args4[1] : {};
	              _iteratorNormalCompletion = true;
	              _didIteratorError = false;
	              _context4.prev = 4;
	              _iterator = _asyncIterator(fixtureFns);

	            case 6:
	              _context4.next = 8;
	              return _iterator.next();

	            case 8:
	              _step = _context4.sent;
	              _iteratorNormalCompletion = _step.done;
	              _context4.next = 12;
	              return _step.value;

	            case 12:
	              _value = _context4.sent;

	              if (_iteratorNormalCompletion) {
	                _context4.next = 20;
	                break;
	              }

	              fixtureFn = _value;
	              _context4.next = 17;
	              return fixtureFn.call(context);

	            case 17:
	              _iteratorNormalCompletion = true;
	              _context4.next = 6;
	              break;

	            case 20:
	              _context4.next = 26;
	              break;

	            case 22:
	              _context4.prev = 22;
	              _context4.t0 = _context4["catch"](4);
	              _didIteratorError = true;
	              _iteratorError = _context4.t0;

	            case 26:
	              _context4.prev = 26;
	              _context4.prev = 27;

	              if (!(!_iteratorNormalCompletion && _iterator["return"] != null)) {
	                _context4.next = 31;
	                break;
	              }

	              _context4.next = 31;
	              return _iterator["return"]();

	            case 31:
	              _context4.prev = 31;

	              if (!_didIteratorError) {
	                _context4.next = 34;
	                break;
	              }

	              throw _iteratorError;

	            case 34:
	              return _context4.finish(31);

	            case 35:
	              return _context4.finish(26);

	            case 36:
	              return _context4.abrupt("return", context);

	            case 37:
	            case "end":
	              return _context4.stop();
	          }
	        }
	      }, _callee4, null, [[4, 22, 26, 36], [27,, 31, 35]]);
	    }));

	    function _runGlobalFixtures() {
	      return _runGlobalFixtures2.apply(this, arguments);
	    }

	    return _runGlobalFixtures;
	  }();
	  /**
	   * Toggle execution of any global setup fixture(s)
	   *
	   * @chainable
	   * @public
	   * @param {boolean } [enabled=true] - If `false`, do not run global setup fixture
	   * @returns {Mocha}
	   */


	  Mocha.prototype.enableGlobalSetup = function enableGlobalSetup() {
	    var enabled = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : true;
	    this.options.enableGlobalSetup = Boolean(enabled);
	    return this;
	  };
	  /**
	   * Toggle execution of any global teardown fixture(s)
	   *
	   * @chainable
	   * @public
	   * @param {boolean } [enabled=true] - If `false`, do not run global teardown fixture
	   * @returns {Mocha}
	   */


	  Mocha.prototype.enableGlobalTeardown = function enableGlobalTeardown() {
	    var enabled = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : true;
	    this.options.enableGlobalTeardown = Boolean(enabled);
	    return this;
	  };
	  /**
	   * Returns `true` if one or more global setup fixtures have been supplied.
	   * @public
	   * @returns {boolean}
	   */


	  Mocha.prototype.hasGlobalSetupFixtures = function hasGlobalSetupFixtures() {
	    return Boolean(this.options.globalSetup.length);
	  };
	  /**
	   * Returns `true` if one or more global teardown fixtures have been supplied.
	   * @public
	   * @returns {boolean}
	   */


	  Mocha.prototype.hasGlobalTeardownFixtures = function hasGlobalTeardownFixtures() {
	    return Boolean(this.options.globalTeardown.length);
	  };
	  /**
	   * An alternative way to define root hooks that works with parallel runs.
	   * @typedef {Object} MochaRootHookObject
	   * @property {Function|Function[]} [beforeAll] - "Before all" hook(s)
	   * @property {Function|Function[]} [beforeEach] - "Before each" hook(s)
	   * @property {Function|Function[]} [afterAll] - "After all" hook(s)
	   * @property {Function|Function[]} [afterEach] - "After each" hook(s)
	   */

	  /**
	   * An function that returns a {@link MochaRootHookObject}, either sync or async.
	     @callback MochaRootHookFunction
	   * @returns {MochaRootHookObject|Promise<MochaRootHookObject>}
	   */

	  /**
	   * A function that's invoked _once_ which is either sync or async.
	   * Can be a "teardown" or "setup".  These will all share the same context.
	   * @callback MochaGlobalFixture
	   * @returns {void|Promise<void>}
	   */

	  /**
	   * An object making up all necessary parts of a plugin loader and aggregator
	   * @typedef {Object} PluginDefinition
	   * @property {string} exportName - Named export to use
	   * @property {string} [optionName] - Option name for Mocha constructor (use `exportName` if omitted)
	   * @property {PluginValidator} [validate] - Validator function
	   * @property {PluginFinalizer} [finalize] - Finalizer/aggregator function
	   */

	  /**
	   * A (sync) function to assert a user-supplied plugin implementation is valid.
	   *
	   * Defined in a {@link PluginDefinition}.
	   
	   * @callback PluginValidator
	   * @param {*} value - Value to check
	   * @this {PluginDefinition}
	   * @returns {void}
	   */

	  /**
	   * A function to finalize plugins impls of a particular ilk
	   * @callback PluginFinalizer
	   * @param {Array<*>} impls - User-supplied implementations
	   * @returns {Promise<*>|*}
	   */

	});

	/* eslint no-unused-vars: off */

	/* eslint-env commonjs */

	/**
	 * Shim process.stdout.
	 */


	process$1.stdout = browserStdout({
	  label: false
	});
	/**
	 * Create a Mocha instance.
	 *
	 * @return {undefined}
	 */

	var mocha$1 = new mocha({
	  reporter: 'html'
	});
	/**
	 * Save timer references to avoid Sinon interfering (see GH-237).
	 */

	var Date$4 = commonjsGlobal.Date;
	var setTimeout$3 = commonjsGlobal.setTimeout;
	var uncaughtExceptionHandlers = [];
	var originalOnerrorHandler = commonjsGlobal.onerror;
	/**
	 * Remove uncaughtException listener.
	 * Revert to original onerror handler if previously defined.
	 */

	process$1.removeListener = function (e, fn) {
	  if (e === 'uncaughtException') {
	    if (originalOnerrorHandler) {
	      commonjsGlobal.onerror = originalOnerrorHandler;
	    } else {
	      commonjsGlobal.onerror = function () {};
	    }

	    var i = uncaughtExceptionHandlers.indexOf(fn);

	    if (i !== -1) {
	      uncaughtExceptionHandlers.splice(i, 1);
	    }
	  }
	};
	/**
	 * Implements listenerCount for 'uncaughtException'.
	 */


	process$1.listenerCount = function (name) {
	  if (name === 'uncaughtException') {
	    return uncaughtExceptionHandlers.length;
	  }

	  return 0;
	};
	/**
	 * Implements uncaughtException listener.
	 */


	process$1.on = function (e, fn) {
	  if (e === 'uncaughtException') {
	    commonjsGlobal.onerror = function (err, url, line) {
	      fn(new Error(err + ' (' + url + ':' + line + ')'));
	      return !mocha$1.options.allowUncaught;
	    };

	    uncaughtExceptionHandlers.push(fn);
	  }
	};

	process$1.listeners = function (e) {
	  if (e === 'uncaughtException') {
	    return uncaughtExceptionHandlers;
	  }

	  return [];
	}; // The BDD UI is registered by default, but no UI will be functional in the
	// browser without an explicit call to the overridden `mocha.ui` (see below).
	// Ensure that this default UI does not expose its methods to the global scope.


	mocha$1.suite.removeAllListeners('pre-require');
	var immediateQueue = [];
	var immediateTimeout;

	function timeslice() {
	  var immediateStart = new Date$4().getTime();

	  while (immediateQueue.length && new Date$4().getTime() - immediateStart < 100) {
	    immediateQueue.shift()();
	  }

	  if (immediateQueue.length) {
	    immediateTimeout = setTimeout$3(timeslice, 0);
	  } else {
	    immediateTimeout = null;
	  }
	}
	/**
	 * High-performance override of Runner.immediately.
	 */


	mocha.Runner.immediately = function (callback) {
	  immediateQueue.push(callback);

	  if (!immediateTimeout) {
	    immediateTimeout = setTimeout$3(timeslice, 0);
	  }
	};
	/**
	 * Function to allow assertion libraries to throw errors directly into mocha.
	 * This is useful when running tests in a browser because window.onerror will
	 * only receive the 'message' attribute of the Error.
	 */


	mocha$1.throwError = function (err) {
	  uncaughtExceptionHandlers.forEach(function (fn) {
	    fn(err);
	  });
	  throw err;
	};
	/**
	 * Override ui to ensure that the ui functions are initialized.
	 * Normally this would happen in Mocha.prototype.loadFiles.
	 */


	mocha$1.ui = function (ui) {
	  mocha.prototype.ui.call(this, ui);
	  this.suite.emit('pre-require', commonjsGlobal, null, this);
	  return this;
	};
	/**
	 * Setup mocha with the given setting options.
	 */


	mocha$1.setup = function (opts) {
	  if (typeof opts === 'string') {
	    opts = {
	      ui: opts
	    };
	  }

	  if (opts.delay === true) {
	    this.delay();
	  }

	  var self = this;
	  Object.keys(opts).filter(function (opt) {
	    return opt !== 'delay';
	  }).forEach(function (opt) {
	    if (Object.prototype.hasOwnProperty.call(opts, opt)) {
	      self[opt](opts[opt]);
	    }
	  });
	  return this;
	};
	/**
	 * Run mocha, returning the Runner.
	 */


	mocha$1.run = function (fn) {
	  var options = mocha$1.options;
	  mocha$1.globals('location');
	  var query = parseQuery(commonjsGlobal.location.search || '');

	  if (query.grep) {
	    mocha$1.grep(query.grep);
	  }

	  if (query.fgrep) {
	    mocha$1.fgrep(query.fgrep);
	  }

	  if (query.invert) {
	    mocha$1.invert();
	  }

	  return mocha.prototype.run.call(mocha$1, function (err) {
	    // The DOM Document is not available in Web Workers.
	    var document = commonjsGlobal.document;

	    if (document && document.getElementById('mocha') && options.noHighlighting !== true) {
	      highlightTags('code');
	    }

	    if (fn) {
	      fn(err);
	    }
	  });
	};
	/**
	 * Expose the process shim.
	 * https://github.com/mochajs/mocha/pull/916
	 */


	mocha.process = process$1;
	/**
	 * Expose mocha.
	 */

	commonjsGlobal.Mocha = mocha;
	commonjsGlobal.mocha = mocha$1; // this allows test/acceptance/required-tokens.js to pass; thus,
	// you can now do `const describe = require('mocha').describe` in a
	// browser context (assuming browserification).  should fix #880

	var browserEntry = Object.assign(mocha$1, commonjsGlobal);

	return browserEntry;

})));
//# sourceMappingURL=mocha.js.map