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strict';\n// ECMAScript 6 symbols shim\nvar global = require('../internals/global');\nvar has = require('../internals/has');\nvar DESCRIPTORS = require('../internals/descriptors');\nvar IS_PURE = require('../internals/is-pure');\nvar $export = require('../internals/export');\nvar redefine = require('../internals/redefine');\nvar hiddenKeys = require('../internals/hidden-keys');\nvar fails = require('../internals/fails');\nvar shared = require('../internals/shared');\nvar setToStringTag = require('../internals/set-to-string-tag');\nvar uid = require('../internals/uid');\nvar wellKnownSymbol = require('../internals/well-known-symbol');\nvar wrappedWellKnownSymbolModule = require('../internals/wrapped-well-known-symbol');\nvar defineWellKnownSymbol = require('../internals/define-well-known-symbol');\nvar enumKeys = require('../internals/enum-keys');\nvar isArray = require('../internals/is-array');\nvar anObject = require('../internals/an-object');\nvar isObject = require('../internals/is-object');\nvar toIndexedObject = require('../internals/to-indexed-object');\nvar toPrimitive = require('../internals/to-primitive');\nvar createPropertyDescriptor = require('../internals/create-property-descriptor');\nvar nativeObjectCreate = require('../internals/object-create');\nvar getOwnPropertyNamesExternal = require('../internals/object-get-own-property-names-external');\nvar getOwnPropertyDescriptorModule = require('../internals/object-get-own-property-descriptor');\nvar definePropertyModule = require('../internals/object-define-property');\nvar propertyIsEnumerableModule = require('../internals/object-property-is-enumerable');\nvar hide = require('../internals/hide');\nvar objectKeys = require('../internals/object-keys');\nvar HIDDEN = require('../internals/shared-key')('hidden');\nvar InternalStateModule = require('../internals/internal-state');\nvar SYMBOL = 'Symbol';\nvar setInternalState = InternalStateModule.set;\nvar getInternalState = InternalStateModule.getterFor(SYMBOL);\nvar nativeGetOwnPropertyDescriptor = getOwnPropertyDescriptorModule.f;\nvar nativeDefineProperty = definePropertyModule.f;\nvar nativeGetOwnPropertyNames = getOwnPropertyNamesExternal.f;\nvar $Symbol = global.Symbol;\nvar JSON = global.JSON;\nvar nativeJSONStringify = JSON && JSON.stringify;\nvar PROTOTYPE = 'prototype';\nvar TO_PRIMITIVE = wellKnownSymbol('toPrimitive');\nvar nativePropertyIsEnumerable = propertyIsEnumerableModule.f;\nvar SymbolRegistry = shared('symbol-registry');\nvar AllSymbols = shared('symbols');\nvar ObjectPrototypeSymbols = shared('op-symbols');\nvar WellKnownSymbolsStore = shared('wks');\nvar ObjectPrototype = Object[PROTOTYPE];\nvar QObject = global.QObject;\nvar NATIVE_SYMBOL = require('../internals/native-symbol');\n// Don't use setters in Qt Script, https://github.com/zloirock/core-js/issues/173\nvar USE_SETTER = !QObject || !QObject[PROTOTYPE] || !QObject[PROTOTYPE].findChild;\n\n// fallback for old Android, https://code.google.com/p/v8/issues/detail?id=687\nvar setSymbolDescriptor = DESCRIPTORS && fails(function () {\n  return nativeObjectCreate(nativeDefineProperty({}, 'a', {\n    get: function () { return nativeDefineProperty(this, 'a', { value: 7 }).a; }\n  })).a != 7;\n}) ? function (it, key, D) {\n  var ObjectPrototypeDescriptor = nativeGetOwnPropertyDescriptor(ObjectPrototype, key);\n  if (ObjectPrototypeDescriptor) delete ObjectPrototype[key];\n  nativeDefineProperty(it, key, D);\n  if (ObjectPrototypeDescriptor && it !== ObjectPrototype) {\n    nativeDefineProperty(ObjectPrototype, key, ObjectPrototypeDescriptor);\n  }\n} : nativeDefineProperty;\n\nvar wrap = function (tag, description) {\n  var symbol = AllSymbols[tag] = nativeObjectCreate($Symbol[PROTOTYPE]);\n  setInternalState(symbol, {\n    type: SYMBOL,\n    tag: tag,\n    description: description\n  });\n  if (!DESCRIPTORS) symbol.description = description;\n  return symbol;\n};\n\nvar isSymbol = NATIVE_SYMBOL && typeof $Symbol.iterator == 'symbol' ? function (it) {\n  return typeof it == 'symbol';\n} : function (it) {\n  return Object(it) instanceof $Symbol;\n};\n\nvar $defineProperty = function defineProperty(it, key, D) {\n  if (it === ObjectPrototype) $defineProperty(ObjectPrototypeSymbols, key, D);\n  anObject(it);\n  key = toPrimitive(key, true);\n  anObject(D);\n  if (has(AllSymbols, key)) {\n    if (!D.enumerable) {\n      if (!has(it, HIDDEN)) nativeDefineProperty(it, HIDDEN, createPropertyDescriptor(1, {}));\n      it[HIDDEN][key] = true;\n    } else {\n      if (has(it, HIDDEN) && it[HIDDEN][key]) it[HIDDEN][key] = false;\n      D = nativeObjectCreate(D, { enumerable: createPropertyDescriptor(0, false) });\n    } return setSymbolDescriptor(it, key, D);\n  } return nativeDefineProperty(it, key, D);\n};\n\nvar $defineProperties = function defineProperties(it, P) {\n  anObject(it);\n  var keys = enumKeys(P = toIndexedObject(P));\n  var i = 0;\n  var l = keys.length;\n  var key;\n  while (l > i) $defineProperty(it, key = keys[i++], P[key]);\n  return it;\n};\n\nvar $create = function create(it, P) {\n  return P === undefined ? nativeObjectCreate(it) : $defineProperties(nativeObjectCreate(it), P);\n};\n\nvar $propertyIsEnumerable = function propertyIsEnumerable(key) {\n  var E = nativePropertyIsEnumerable.call(this, key = toPrimitive(key, true));\n  if (this === ObjectPrototype && has(AllSymbols, key) && !has(ObjectPrototypeSymbols, key)) return false;\n  return E || !has(this, key) || !has(AllSymbols, key) || has(this, HIDDEN) && this[HIDDEN][key] ? E : true;\n};\n\nvar $getOwnPropertyDescriptor = function getOwnPropertyDescriptor(it, key) {\n  it = toIndexedObject(it);\n  key = toPrimitive(key, true);\n  if (it === ObjectPrototype && has(AllSymbols, key) && !has(ObjectPrototypeSymbols, key)) return;\n  var D = nativeGetOwnPropertyDescriptor(it, key);\n  if (D && has(AllSymbols, key) && !(has(it, HIDDEN) && it[HIDDEN][key])) D.enumerable = true;\n  return D;\n};\n\nvar $getOwnPropertyNames = function getOwnPropertyNames(it) {\n  var names = nativeGetOwnPropertyNames(toIndexedObject(it));\n  var result = [];\n  var i = 0;\n  var key;\n  while (names.length > i) {\n    if (!has(AllSymbols, key = names[i++]) && !has(hiddenKeys, key)) result.push(key);\n  } return result;\n};\n\nvar $getOwnPropertySymbols = function getOwnPropertySymbols(it) {\n  var IS_OP = it === ObjectPrototype;\n  var names = nativeGetOwnPropertyNames(IS_OP ? ObjectPrototypeSymbols : toIndexedObject(it));\n  var result = [];\n  var i = 0;\n  var key;\n  while (names.length > i) {\n    if (has(AllSymbols, key = names[i++]) && (IS_OP ? has(ObjectPrototype, key) : true)) result.push(AllSymbols[key]);\n  } return result;\n};\n\n// `Symbol` constructor\n// https://tc39.github.io/ecma262/#sec-symbol-constructor\nif (!NATIVE_SYMBOL) {\n  $Symbol = function Symbol() {\n    if (this instanceof $Symbol) throw TypeError('Symbol is not a constructor');\n    var description = arguments[0] === undefined ? undefined : String(arguments[0]);\n    var tag = uid(description);\n    var setter = function (value) {\n      if (this === ObjectPrototype) setter.call(ObjectPrototypeSymbols, value);\n      if (has(this, HIDDEN) && has(this[HIDDEN], tag)) this[HIDDEN][tag] = false;\n      setSymbolDescriptor(this, tag, createPropertyDescriptor(1, value));\n    };\n    if (DESCRIPTORS && USE_SETTER) setSymbolDescriptor(ObjectPrototype, tag, { configurable: true, set: setter });\n    return wrap(tag, description);\n  };\n  redefine($Symbol[PROTOTYPE], 'toString', function toString() {\n    return getInternalState(this).tag;\n  });\n\n  propertyIsEnumerableModule.f = $propertyIsEnumerable;\n  definePropertyModule.f = $defineProperty;\n  getOwnPropertyDescriptorModule.f = $getOwnPropertyDescriptor;\n  require('../internals/object-get-own-property-names').f = getOwnPropertyNamesExternal.f = $getOwnPropertyNames;\n  require('../internals/object-get-own-property-symbols').f = $getOwnPropertySymbols;\n\n  if (DESCRIPTORS) {\n    // https://github.com/tc39/proposal-Symbol-description\n    nativeDefineProperty($Symbol[PROTOTYPE], 'description', {\n      configurable: true,\n      get: function description() {\n        return getInternalState(this).description;\n      }\n    });\n    if (!IS_PURE) {\n      redefine(ObjectPrototype, 'propertyIsEnumerable', $propertyIsEnumerable, { unsafe: true });\n    }\n  }\n\n  wrappedWellKnownSymbolModule.f = function (name) {\n    return wrap(wellKnownSymbol(name), name);\n  };\n}\n\n$export({ global: true, wrap: true, forced: !NATIVE_SYMBOL, sham: !NATIVE_SYMBOL }, { Symbol: $Symbol });\n\nfor (var wellKnownSymbols = objectKeys(WellKnownSymbolsStore), k = 0; wellKnownSymbols.length > k;) {\n  defineWellKnownSymbol(wellKnownSymbols[k++]);\n}\n\n$export({ target: SYMBOL, stat: true, forced: !NATIVE_SYMBOL }, {\n  // `Symbol.for` method\n  // https://tc39.github.io/ecma262/#sec-symbol.for\n  'for': function (key) {\n    return has(SymbolRegistry, key += '')\n      ? SymbolRegistry[key]\n      : SymbolRegistry[key] = $Symbol(key);\n  },\n  // `Symbol.keyFor` method\n  // https://tc39.github.io/ecma262/#sec-symbol.keyfor\n  keyFor: function keyFor(sym) {\n    if (!isSymbol(sym)) throw TypeError(sym + ' is not a symbol');\n    for (var key in SymbolRegistry) if (SymbolRegistry[key] === sym) return key;\n  },\n  useSetter: function () { USE_SETTER = true; },\n  useSimple: function () { USE_SETTER = false; }\n});\n\n$export({ target: 'Object', stat: true, forced: !NATIVE_SYMBOL, sham: !DESCRIPTORS }, {\n  // `Object.create` method\n  // https://tc39.github.io/ecma262/#sec-object.create\n  create: $create,\n  // `Object.defineProperty` method\n  // https://tc39.github.io/ecma262/#sec-object.defineproperty\n  defineProperty: $defineProperty,\n  // `Object.defineProperties` method\n  // https://tc39.github.io/ecma262/#sec-object.defineproperties\n  defineProperties: $defineProperties,\n  // `Object.getOwnPropertyDescriptor` method\n  // https://tc39.github.io/ecma262/#sec-object.getownpropertydescriptors\n  getOwnPropertyDescriptor: $getOwnPropertyDescriptor\n});\n\n$export({ target: 'Object', stat: true, forced: !NATIVE_SYMBOL }, {\n  // `Object.getOwnPropertyNames` method\n  // https://tc39.github.io/ecma262/#sec-object.getownpropertynames\n  getOwnPropertyNames: $getOwnPropertyNames,\n  // `Object.getOwnPropertySymbols` method\n  // https://tc39.github.io/ecma262/#sec-object.getownpropertysymbols\n  getOwnPropertySymbols: $getOwnPropertySymbols\n});\n\n// `JSON.stringify` method behavior with symbols\n// https://tc39.github.io/ecma262/#sec-json.stringify\nJSON && $export({ target: 'JSON', stat: true, forced: !NATIVE_SYMBOL || fails(function () {\n  var symbol = $Symbol();\n  // MS Edge converts symbol values to JSON as {}\n  return nativeJSONStringify([symbol]) != '[null]'\n    // WebKit converts symbol values to JSON as null\n    || nativeJSONStringify({ a: symbol }) != '{}'\n    // V8 throws on boxed symbols\n    || nativeJSONStringify(Object(symbol)) != '{}';\n}) }, {\n  stringify: function stringify(it) {\n    var args = [it];\n    var i = 1;\n    var replacer, $replacer;\n    while (arguments.length > i) args.push(arguments[i++]);\n    $replacer = replacer = args[1];\n    if (!isObject(replacer) && it === undefined || isSymbol(it)) return; // IE8 returns string on undefined\n    if (!isArray(replacer)) replacer = function (key, value) {\n      if (typeof $replacer == 'function') value = $replacer.call(this, key, value);\n      if (!isSymbol(value)) return value;\n    };\n    args[1] = replacer;\n    return nativeJSONStringify.apply(JSON, args);\n  }\n});\n\n// `Symbol.prototype[@@toPrimitive]` method\n// https://tc39.github.io/ecma262/#sec-symbol.prototype-@@toprimitive\nif (!$Symbol[PROTOTYPE][TO_PRIMITIVE]) hide($Symbol[PROTOTYPE], TO_PRIMITIVE, $Symbol[PROTOTYPE].valueOf);\n// `Symbol.prototype[@@toStringTag]` property\n// https://tc39.github.io/ecma262/#sec-symbol.prototype-@@tostringtag\nsetToStringTag($Symbol, SYMBOL);\n\nhiddenKeys[HIDDEN] = true;\n","'use strict';\nvar toIndexedObject = require('../internals/to-indexed-object');\nvar addToUnscopables = require('../internals/add-to-unscopables');\nvar Iterators = require('../internals/iterators');\nvar InternalStateModule = require('../internals/internal-state');\nvar defineIterator = require('../internals/define-iterator');\nvar ARRAY_ITERATOR = 'Array Iterator';\nvar setInternalState = InternalStateModule.set;\nvar getInternalState = InternalStateModule.getterFor(ARRAY_ITERATOR);\n\n// `Array.prototype.entries` method\n// https://tc39.github.io/ecma262/#sec-array.prototype.entries\n// `Array.prototype.keys` method\n// https://tc39.github.io/ecma262/#sec-array.prototype.keys\n// `Array.prototype.values` method\n// https://tc39.github.io/ecma262/#sec-array.prototype.values\n// `Array.prototype[@@iterator]` method\n// https://tc39.github.io/ecma262/#sec-array.prototype-@@iterator\n// `CreateArrayIterator` internal method\n// https://tc39.github.io/ecma262/#sec-createarrayiterator\nmodule.exports = defineIterator(Array, 'Array', function (iterated, kind) {\n  setInternalState(this, {\n    type: ARRAY_ITERATOR,\n    target: toIndexedObject(iterated), // target\n    index: 0,                          // next index\n    kind: kind                         // kind\n  });\n// `%ArrayIteratorPrototype%.next` method\n// https://tc39.github.io/ecma262/#sec-%arrayiteratorprototype%.next\n}, function () {\n  var state = getInternalState(this);\n  var target = state.target;\n  var kind = state.kind;\n  var index = state.index++;\n  if (!target || index >= target.length) {\n    state.target = undefined;\n    return { value: undefined, done: true };\n  }\n  if (kind == 'keys') return { value: index, done: false };\n  if (kind == 'values') return { value: target[index], done: false };\n  return { value: [index, target[index]], done: false };\n}, 'values');\n\n// argumentsList[@@iterator] is %ArrayProto_values%\n// https://tc39.github.io/ecma262/#sec-createunmappedargumentsobject\n// https://tc39.github.io/ecma262/#sec-createmappedargumentsobject\nIterators.Arguments = Iterators.Array;\n\n// https://tc39.github.io/ecma262/#sec-array.prototype-@@unscopables\naddToUnscopables('keys');\naddToUnscopables('values');\naddToUnscopables('entries');\n","'use strict';\nvar codePointAt = require('../internals/string-at');\nvar InternalStateModule = require('../internals/internal-state');\nvar defineIterator = require('../internals/define-iterator');\nvar STRING_ITERATOR = 'String Iterator';\nvar setInternalState = InternalStateModule.set;\nvar getInternalState = InternalStateModule.getterFor(STRING_ITERATOR);\n\n// `String.prototype[@@iterator]` method\n// https://tc39.github.io/ecma262/#sec-string.prototype-@@iterator\ndefineIterator(String, 'String', function (iterated) {\n  setInternalState(this, {\n    type: STRING_ITERATOR,\n    string: String(iterated),\n    index: 0\n  });\n// `%StringIteratorPrototype%.next` method\n// https://tc39.github.io/ecma262/#sec-%stringiteratorprototype%.next\n}, function next() {\n  var state = getInternalState(this);\n  var string = state.string;\n  var index = state.index;\n  var point;\n  if (index >= string.length) return { value: undefined, done: true };\n  point = codePointAt(string, index, true);\n  state.index += point.length;\n  return { value: point, done: false };\n});\n","var DOMIterables = require('../internals/dom-iterables');\nvar ArrayIteratorMethods = require('../modules/es.array.iterator');\nvar global = require('../internals/global');\nvar hide = require('../internals/hide');\nvar wellKnownSymbol = require('../internals/well-known-symbol');\nvar ITERATOR = wellKnownSymbol('iterator');\nvar TO_STRING_TAG = wellKnownSymbol('toStringTag');\nvar ArrayValues = ArrayIteratorMethods.values;\n\nfor (var COLLECTION_NAME in DOMIterables) {\n  var Collection = global[COLLECTION_NAME];\n  var CollectionPrototype = Collection && Collection.prototype;\n  if (CollectionPrototype) {\n    // some Chrome versions have non-configurable methods on DOMTokenList\n    if (CollectionPrototype[ITERATOR] !== ArrayValues) try {\n      hide(CollectionPrototype, ITERATOR, ArrayValues);\n    } catch (error) {\n      CollectionPrototype[ITERATOR] = ArrayValues;\n    }\n    if (!CollectionPrototype[TO_STRING_TAG]) hide(CollectionPrototype, TO_STRING_TAG, COLLECTION_NAME);\n    if (DOMIterables[COLLECTION_NAME]) for (var METHOD_NAME in ArrayIteratorMethods) {\n      // some Chrome versions have non-configurable methods on DOMTokenList\n      if (CollectionPrototype[METHOD_NAME] !== ArrayIteratorMethods[METHOD_NAME]) try {\n        hide(CollectionPrototype, METHOD_NAME, ArrayIteratorMethods[METHOD_NAME]);\n      } catch (error) {\n        CollectionPrototype[METHOD_NAME] = ArrayIteratorMethods[METHOD_NAME];\n      }\n    }\n  }\n}\n","// `Symbol.prototype.description` getter\n// https://tc39.github.io/ecma262/#sec-symbol.prototype.description\n'use strict';\nvar DESCRIPTORS = require('../internals/descriptors');\nvar has = require('../internals/has');\nvar isObject = require('../internals/is-object');\nvar defineProperty = require('../internals/object-define-property').f;\nvar copyConstructorProperties = require('../internals/copy-constructor-properties');\nvar NativeSymbol = require('../internals/global').Symbol;\n\nif (DESCRIPTORS && typeof NativeSymbol == 'function' && (!('description' in NativeSymbol.prototype) ||\n  // Safari 12 bug\n  NativeSymbol().description !== undefined\n)) {\n  var EmptyStringDescriptionStore = {};\n  // wrap Symbol constructor for correct work with undefined description\n  var SymbolWrapper = function Symbol() {\n    var description = arguments.length < 1 || arguments[0] === undefined ? undefined : String(arguments[0]);\n    var result = this instanceof SymbolWrapper\n      ? new NativeSymbol(description)\n      // in Edge 13, String(Symbol(undefined)) === 'Symbol(undefined)'\n      : description === undefined ? NativeSymbol() : NativeSymbol(description);\n    if (description === '') EmptyStringDescriptionStore[result] = true;\n    return result;\n  };\n  copyConstructorProperties(SymbolWrapper, NativeSymbol);\n  var symbolPrototype = SymbolWrapper.prototype = NativeSymbol.prototype;\n  symbolPrototype.constructor = SymbolWrapper;\n\n  var symbolToString = symbolPrototype.toString;\n  var native = String(NativeSymbol('test')) == 'Symbol(test)';\n  var regexp = /^Symbol\\((.*)\\)[^)]+$/;\n  defineProperty(symbolPrototype, 'description', {\n    configurable: true,\n    get: function description() {\n      var symbol = isObject(this) ? this.valueOf() : this;\n      var string = symbolToString.call(symbol);\n      if (has(EmptyStringDescriptionStore, symbol)) return '';\n      var desc = native ? string.slice(7, -1) : string.replace(regexp, '$1');\n      return desc === '' ? undefined : desc;\n    }\n  });\n\n  require('../internals/export')({ global: true, forced: true }, { Symbol: SymbolWrapper });\n}\n","// `Symbol.iterator` well-known symbol\n// https://tc39.github.io/ecma262/#sec-symbol.iterator\nrequire('../internals/define-well-known-symbol')('iterator');\n","'use strict';\nvar anObject = require('../internals/an-object');\nvar fails = require('../internals/fails');\nvar flags = require('../internals/regexp-flags');\nvar DESCRIPTORS = require('../internals/descriptors');\nvar TO_STRING = 'toString';\nvar nativeToString = /./[TO_STRING];\n\nvar NOT_GENERIC = fails(function () { return nativeToString.call({ source: 'a', flags: 'b' }) != '/a/b'; });\n// FF44- RegExp#toString has a wrong name\nvar INCORRECT_NAME = nativeToString.name != TO_STRING;\n\n// `RegExp.prototype.toString` method\n// https://tc39.github.io/ecma262/#sec-regexp.prototype.tostring\nif (NOT_GENERIC || INCORRECT_NAME) {\n  require('../internals/redefine')(RegExp.prototype, TO_STRING, function toString() {\n    var R = anObject(this);\n    return '/'.concat(R.source, '/',\n      'flags' in R ? R.flags : !DESCRIPTORS && R instanceof RegExp ? flags.call(R) : undefined);\n  }, { unsafe: true });\n}\n","// 19.1.2.2 / 15.2.3.5 Object.create(O [, Properties])\nvar anObject = require('../internals/an-object');\nvar defineProperties = require('../internals/object-define-properties');\nvar enumBugKeys = require('../internals/enum-bug-keys');\nvar html = require('../internals/html');\nvar documentCreateElement = require('../internals/document-create-element');\nvar IE_PROTO = require('../internals/shared-key')('IE_PROTO');\nvar PROTOTYPE = 'prototype';\nvar Empty = function () { /* empty */ };\n\n// Create object with fake `null` prototype: use iframe Object with cleared prototype\nvar createDict = function () {\n  // Thrash, waste and sodomy: IE GC bug\n  var iframe = documentCreateElement('iframe');\n  var length = enumBugKeys.length;\n  var lt = '<';\n  var script = 'script';\n  var gt = '>';\n  var js = 'java' + script + ':';\n  var iframeDocument;\n  iframe.style.display = 'none';\n  html.appendChild(iframe);\n  iframe.src = String(js);\n  iframeDocument = iframe.contentWindow.document;\n  iframeDocument.open();\n  iframeDocument.write(lt + script + gt + 'document.F=Object' + lt + '/' + script + gt);\n  iframeDocument.close();\n  createDict = iframeDocument.F;\n  while (length--) delete createDict[PROTOTYPE][enumBugKeys[length]];\n  return createDict();\n};\n\nmodule.exports = Object.create || function create(O, Properties) {\n  var result;\n  if (O !== null) {\n    Empty[PROTOTYPE] = anObject(O);\n    result = new Empty();\n    Empty[PROTOTYPE] = null;\n    // add \"__proto__\" for Object.getPrototypeOf polyfill\n    result[IE_PROTO] = O;\n  } else result = createDict();\n  return Properties === undefined ? result : defineProperties(result, Properties);\n};\n\nrequire('../internals/hidden-keys')[IE_PROTO] = true;\n","// 19.1.2.9 / 15.2.3.2 Object.getPrototypeOf(O)\nvar has = require('../internals/has');\nvar toObject = require('../internals/to-object');\nvar IE_PROTO = require('../internals/shared-key')('IE_PROTO');\nvar CORRECT_PROTOTYPE_GETTER = require('../internals/correct-prototype-getter');\nvar ObjectPrototype = Object.prototype;\n\nmodule.exports = CORRECT_PROTOTYPE_GETTER ? Object.getPrototypeOf : function (O) {\n  O = toObject(O);\n  if (has(O, IE_PROTO)) return O[IE_PROTO];\n  if (typeof O.constructor == 'function' && O instanceof O.constructor) {\n    return O.constructor.prototype;\n  } return O instanceof Object ? ObjectPrototype : null;\n};\n","module.exports = !require('../internals/fails')(function () {\n  function F() { /* empty */ }\n  F.prototype.constructor = null;\n  return Object.getPrototypeOf(new F()) !== F.prototype;\n});\n","var UNSCOPABLES = require('../internals/well-known-symbol')('unscopables');\nvar create = require('../internals/object-create');\nvar hide = require('../internals/hide');\nvar ArrayPrototype = Array.prototype;\n\n// Array.prototype[@@unscopables]\n// https://tc39.github.io/ecma262/#sec-array.prototype-@@unscopables\nif (ArrayPrototype[UNSCOPABLES] == undefined) {\n  hide(ArrayPrototype, UNSCOPABLES, create(null));\n}\n\n// add a key to Array.prototype[@@unscopables]\nmodule.exports = function (key) {\n  ArrayPrototype[UNSCOPABLES][key] = true;\n};\n","var toInteger = require('../internals/to-integer');\nvar requireObjectCoercible = require('../internals/require-object-coercible');\n// CONVERT_TO_STRING: true  -> String#at\n// CONVERT_TO_STRING: false -> String#codePointAt\nmodule.exports = function (that, pos, CONVERT_TO_STRING) {\n  var S = String(requireObjectCoercible(that));\n  var position = toInteger(pos);\n  var size = S.length;\n  var first, second;\n  if (position < 0 || position >= size) return CONVERT_TO_STRING ? '' : undefined;\n  first = S.charCodeAt(position);\n  return first < 0xD800 || first > 0xDBFF || position + 1 === size\n    || (second = S.charCodeAt(position + 1)) < 0xDC00 || second > 0xDFFF\n      ? CONVERT_TO_STRING ? S.charAt(position) : first\n      : CONVERT_TO_STRING ? S.slice(position, position + 2) : (first - 0xD800 << 10) + (second - 0xDC00) + 0x10000;\n};\n","'use strict';\nvar anObject = require('../internals/an-object');\n\n// `RegExp.prototype.flags` getter implementation\n// https://tc39.github.io/ecma262/#sec-get-regexp.prototype.flags\nmodule.exports = function () {\n  var that = anObject(this);\n  var result = '';\n  if (that.global) result += 'g';\n  if (that.ignoreCase) result += 'i';\n  if (that.multiline) result += 'm';\n  if (that.unicode) result += 'u';\n  if (that.sticky) result += 'y';\n  return result;\n};\n","exports.f = require('../internals/well-known-symbol');\n","var path = require('../internals/path');\nvar has = require('../internals/has');\nvar wrappedWellKnownSymbolModule = require('../internals/wrapped-well-known-symbol');\nvar defineProperty = require('../internals/object-define-property').f;\n\nmodule.exports = function (NAME) {\n  var Symbol = path.Symbol || (path.Symbol = {});\n  if (!has(Symbol, NAME)) defineProperty(Symbol, NAME, {\n    value: wrappedWellKnownSymbolModule.f(NAME)\n  });\n};\n","var DESCRIPTORS = require('../internals/descriptors');\nvar definePropertyModule = require('../internals/object-define-property');\nvar anObject = require('../internals/an-object');\nvar objectKeys = require('../internals/object-keys');\n\nmodule.exports = DESCRIPTORS ? Object.defineProperties : function defineProperties(O, Properties) {\n  anObject(O);\n  var keys = objectKeys(Properties);\n  var length = keys.length;\n  var i = 0;\n  var key;\n  while (length > i) definePropertyModule.f(O, key = keys[i++], Properties[key]);\n  return O;\n};\n","'use strict';\nvar $export = require('../internals/export');\nvar createIteratorConstructor = require('../internals/create-iterator-constructor');\nvar getPrototypeOf = require('../internals/object-get-prototype-of');\nvar setPrototypeOf = require('../internals/object-set-prototype-of');\nvar setToStringTag = require('../internals/set-to-string-tag');\nvar hide = require('../internals/hide');\nvar redefine = require('../internals/redefine');\nvar IS_PURE = require('../internals/is-pure');\nvar ITERATOR = require('../internals/well-known-symbol')('iterator');\nvar Iterators = require('../internals/iterators');\nvar IteratorsCore = require('../internals/iterators-core');\nvar IteratorPrototype = IteratorsCore.IteratorPrototype;\nvar BUGGY_SAFARI_ITERATORS = IteratorsCore.BUGGY_SAFARI_ITERATORS;\nvar KEYS = 'keys';\nvar VALUES = 'values';\nvar ENTRIES = 'entries';\n\nvar returnThis = function () { return this; };\n\nmodule.exports = function (Iterable, NAME, IteratorConstructor, next, DEFAULT, IS_SET, FORCED) {\n  createIteratorConstructor(IteratorConstructor, NAME, next);\n\n  var getIterationMethod = function (KIND) {\n    if (KIND === DEFAULT && defaultIterator) return defaultIterator;\n    if (!BUGGY_SAFARI_ITERATORS && KIND in IterablePrototype) return IterablePrototype[KIND];\n    switch (KIND) {\n      case KEYS: return function keys() { return new IteratorConstructor(this, KIND); };\n      case VALUES: return function values() { return new IteratorConstructor(this, KIND); };\n      case ENTRIES: return function entries() { return new IteratorConstructor(this, KIND); };\n    } return function () { return new IteratorConstructor(this); };\n  };\n\n  var TO_STRING_TAG = NAME + ' Iterator';\n  var INCORRECT_VALUES_NAME = false;\n  var IterablePrototype = Iterable.prototype;\n  var nativeIterator = IterablePrototype[ITERATOR]\n    || IterablePrototype['@@iterator']\n    || DEFAULT && IterablePrototype[DEFAULT];\n  var defaultIterator = !BUGGY_SAFARI_ITERATORS && nativeIterator || getIterationMethod(DEFAULT);\n  var anyNativeIterator = NAME == 'Array' ? IterablePrototype.entries || nativeIterator : nativeIterator;\n  var CurrentIteratorPrototype, methods, KEY;\n\n  // fix native\n  if (anyNativeIterator) {\n    CurrentIteratorPrototype = getPrototypeOf(anyNativeIterator.call(new Iterable()));\n    if (IteratorPrototype !== Object.prototype && CurrentIteratorPrototype.next) {\n      if (!IS_PURE && getPrototypeOf(CurrentIteratorPrototype) !== IteratorPrototype) {\n        if (setPrototypeOf) {\n          setPrototypeOf(CurrentIteratorPrototype, IteratorPrototype);\n        } else if (typeof CurrentIteratorPrototype[ITERATOR] != 'function') {\n          hide(CurrentIteratorPrototype, ITERATOR, returnThis);\n        }\n      }\n      // Set @@toStringTag to native iterators\n      setToStringTag(CurrentIteratorPrototype, TO_STRING_TAG, true, true);\n      if (IS_PURE) Iterators[TO_STRING_TAG] = returnThis;\n    }\n  }\n\n  // fix Array#{values, @@iterator}.name in V8 / FF\n  if (DEFAULT == VALUES && nativeIterator && nativeIterator.name !== VALUES) {\n    INCORRECT_VALUES_NAME = true;\n    defaultIterator = function values() { return nativeIterator.call(this); };\n  }\n\n  // define iterator\n  if ((!IS_PURE || FORCED) && IterablePrototype[ITERATOR] !== defaultIterator) {\n    hide(IterablePrototype, ITERATOR, defaultIterator);\n  }\n  Iterators[NAME] = defaultIterator;\n\n  // export additional methods\n  if (DEFAULT) {\n    methods = {\n      values: getIterationMethod(VALUES),\n      keys: IS_SET ? defaultIterator : getIterationMethod(KEYS),\n      entries: getIterationMethod(ENTRIES)\n    };\n    if (FORCED) for (KEY in methods) {\n      if (BUGGY_SAFARI_ITERATORS || INCORRECT_VALUES_NAME || !(KEY in IterablePrototype)) {\n        redefine(IterablePrototype, KEY, methods[KEY]);\n      }\n    } else $export({ target: NAME, proto: true, forced: BUGGY_SAFARI_ITERATORS || INCORRECT_VALUES_NAME }, methods);\n  }\n\n  return methods;\n};\n","'use strict';\nvar IteratorPrototype = require('../internals/iterators-core').IteratorPrototype;\nvar create = require('../internals/object-create');\nvar createPropertyDescriptor = require('../internals/create-property-descriptor');\nvar setToStringTag = require('../internals/set-to-string-tag');\nvar Iterators = require('../internals/iterators');\n\nvar returnThis = function () { return this; };\n\nmodule.exports = function (IteratorConstructor, NAME, next) {\n  var TO_STRING_TAG = NAME + ' Iterator';\n  IteratorConstructor.prototype = create(IteratorPrototype, { next: createPropertyDescriptor(1, next) });\n  setToStringTag(IteratorConstructor, TO_STRING_TAG, false, true);\n  Iterators[TO_STRING_TAG] = returnThis;\n  return IteratorConstructor;\n};\n","'use strict';\nvar getPrototypeOf = require('../internals/object-get-prototype-of');\nvar hide = require('../internals/hide');\nvar has = require('../internals/has');\nvar IS_PURE = require('../internals/is-pure');\nvar ITERATOR = require('../internals/well-known-symbol')('iterator');\nvar BUGGY_SAFARI_ITERATORS = false;\n\nvar returnThis = function () { return this; };\n\n// `%IteratorPrototype%` object\n// https://tc39.github.io/ecma262/#sec-%iteratorprototype%-object\nvar IteratorPrototype, PrototypeOfArrayIteratorPrototype, arrayIterator;\n\nif ([].keys) {\n  arrayIterator = [].keys();\n  // Safari 8 has buggy iterators w/o `next`\n  if (!('next' in arrayIterator)) BUGGY_SAFARI_ITERATORS = true;\n  else {\n    PrototypeOfArrayIteratorPrototype = getPrototypeOf(getPrototypeOf(arrayIterator));\n    if (PrototypeOfArrayIteratorPrototype !== Object.prototype) IteratorPrototype = PrototypeOfArrayIteratorPrototype;\n  }\n}\n\nif (IteratorPrototype == undefined) IteratorPrototype = {};\n\n// 25.1.2.1.1 %IteratorPrototype%[@@iterator]()\nif (!IS_PURE && !has(IteratorPrototype, ITERATOR)) hide(IteratorPrototype, ITERATOR, returnThis);\n\nmodule.exports = {\n  IteratorPrototype: IteratorPrototype,\n  BUGGY_SAFARI_ITERATORS: BUGGY_SAFARI_ITERATORS\n};\n","// Works with __proto__ only. Old v8 can't work with null proto objects.\n/* eslint-disable no-proto */\nvar validateSetPrototypeOfArguments = require('../internals/validate-set-prototype-of-arguments');\n\nmodule.exports = Object.setPrototypeOf || ('__proto__' in {} ? function () {\n  var correctSetter = false;\n  var test = {};\n  var setter;\n  try {\n    setter = Object.getOwnPropertyDescriptor(Object.prototype, '__proto__').set;\n    setter.call(test, []);\n    correctSetter = test instanceof Array;\n  } catch (error) { /* empty */ }\n  return function setPrototypeOf(O, proto) {\n    validateSetPrototypeOfArguments(O, proto);\n    if (correctSetter) setter.call(O, proto);\n    else O.__proto__ = proto;\n    return O;\n  };\n}() : undefined);\n","var objectKeys = require('../internals/object-keys');\nvar getOwnPropertySymbolsModule = require('../internals/object-get-own-property-symbols');\nvar propertyIsEnumerableModule = require('../internals/object-property-is-enumerable');\n\n// all enumerable object keys, includes symbols\nmodule.exports = function (it) {\n  var result = objectKeys(it);\n  var getOwnPropertySymbols = getOwnPropertySymbolsModule.f;\n  if (getOwnPropertySymbols) {\n    var symbols = getOwnPropertySymbols(it);\n    var propertyIsEnumerable = propertyIsEnumerableModule.f;\n    var i = 0;\n    var key;\n    while (symbols.length > i) if (propertyIsEnumerable.call(it, key = symbols[i++])) result.push(key);\n  } return result;\n};\n","// fallback for IE11 buggy Object.getOwnPropertyNames with iframe and window\nvar toIndexedObject = require('../internals/to-indexed-object');\nvar nativeGetOwnPropertyNames = require('../internals/object-get-own-property-names').f;\nvar toString = {}.toString;\n\nvar windowNames = typeof window == 'object' && window && Object.getOwnPropertyNames\n  ? Object.getOwnPropertyNames(window) : [];\n\nvar getWindowNames = function (it) {\n  try {\n    return nativeGetOwnPropertyNames(it);\n  } catch (error) {\n    return windowNames.slice();\n  }\n};\n\nmodule.exports.f = function getOwnPropertyNames(it) {\n  return windowNames && toString.call(it) == '[object Window]'\n    ? getWindowNames(it)\n    : nativeGetOwnPropertyNames(toIndexedObject(it));\n};\n","var isObject = require('../internals/is-object');\nvar anObject = require('../internals/an-object');\n\nmodule.exports = function (O, proto) {\n  anObject(O);\n  if (!isObject(proto) && proto !== null) {\n    throw TypeError(\"Can't set \" + String(proto) + ' as a prototype');\n  }\n};\n"],"sourceRoot":""}