@wowzamediasystems/sdk-rts/dist/wowza.debug.umd.js

SDK for building a realtime broadcaster using the Wowza platform.

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

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

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

  function _toPrimitive(input, hint) {
    if (_typeof(input) !== "object" || input === null) return input;
    var prim = input[Symbol.toPrimitive];
    if (prim !== undefined) {
      var res = prim.call(input, hint || "default");
      if (_typeof(res) !== "object") return res;
      throw new TypeError("@@toPrimitive must return a primitive value.");
    }
    return (hint === "string" ? String : Number)(input);
  }

  function _toPropertyKey(arg) {
    var key = _toPrimitive(arg, "string");
    return _typeof(key) === "symbol" ? key : String(key);
  }

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

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

  function createCommonjsModule(fn) {
    var module = { exports: {} };
  	return fn(module, module.exports), module.exports;
  }

  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 es/no-global-this -- safe
    check(typeof globalThis == 'object' && globalThis) ||
    check(typeof window == 'object' && window) ||
    // eslint-disable-next-line no-restricted-globals -- safe
    check(typeof self == 'object' && self) ||
    check(typeof commonjsGlobal == 'object' && commonjsGlobal) ||
    // eslint-disable-next-line no-new-func -- fallback
    (function () { return this; })() || Function('return this')();

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

  // Detect IE8's incomplete defineProperty implementation
  var descriptors = !fails(function () {
    // eslint-disable-next-line es/no-object-defineproperty -- required for testing
    return Object.defineProperty({}, 1, { get: function () { return 7; } })[1] != 7;
  });

  var functionBindNative = !fails(function () {
    // eslint-disable-next-line es/no-function-prototype-bind -- safe
    var test = (function () { /* empty */ }).bind();
    // eslint-disable-next-line no-prototype-builtins -- safe
    return typeof test != 'function' || test.hasOwnProperty('prototype');
  });

  var call$2 = Function.prototype.call;

  var functionCall = functionBindNative ? call$2.bind(call$2) : function () {
    return call$2.apply(call$2, arguments);
  };

  var $propertyIsEnumerable = {}.propertyIsEnumerable;
  // eslint-disable-next-line es/no-object-getownpropertydescriptor -- safe
  var getOwnPropertyDescriptor$2 = Object.getOwnPropertyDescriptor;

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

  // `Object.prototype.propertyIsEnumerable` method implementation
  // https://tc39.es/ecma262/#sec-object.prototype.propertyisenumerable
  var f$6 = NASHORN_BUG ? function propertyIsEnumerable(V) {
    var descriptor = getOwnPropertyDescriptor$2(this, V);
    return !!descriptor && descriptor.enumerable;
  } : $propertyIsEnumerable;

  var objectPropertyIsEnumerable = {
  	f: f$6
  };

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

  var FunctionPrototype$2 = Function.prototype;
  var call$1 = FunctionPrototype$2.call;
  var uncurryThisWithBind = functionBindNative && FunctionPrototype$2.bind.bind(call$1, call$1);

  var functionUncurryThis = functionBindNative ? uncurryThisWithBind : function (fn) {
    return function () {
      return call$1.apply(fn, arguments);
    };
  };

  var toString$2 = functionUncurryThis({}.toString);
  var stringSlice$5 = functionUncurryThis(''.slice);

  var classofRaw = function (it) {
    return stringSlice$5(toString$2(it), 8, -1);
  };

  var $Object$4 = Object;
  var split = functionUncurryThis(''.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 -- safe
    return !$Object$4('z').propertyIsEnumerable(0);
  }) ? function (it) {
    return classofRaw(it) == 'String' ? split(it, '') : $Object$4(it);
  } : $Object$4;

  // we can't use just `it == null` since of `document.all` special case
  // https://tc39.es/ecma262/#sec-IsHTMLDDA-internal-slot-aec
  var isNullOrUndefined = function (it) {
    return it === null || it === undefined;
  };

  var $TypeError$f = TypeError;

  // `RequireObjectCoercible` abstract operation
  // https://tc39.es/ecma262/#sec-requireobjectcoercible
  var requireObjectCoercible = function (it) {
    if (isNullOrUndefined(it)) throw $TypeError$f("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 documentAll$2 = typeof document == 'object' && document.all;

  // https://tc39.es/ecma262/#sec-IsHTMLDDA-internal-slot
  var IS_HTMLDDA = typeof documentAll$2 == 'undefined' && documentAll$2 !== undefined;

  var documentAll_1 = {
    all: documentAll$2,
    IS_HTMLDDA: IS_HTMLDDA
  };

  var documentAll$1 = documentAll_1.all;

  // `IsCallable` abstract operation
  // https://tc39.es/ecma262/#sec-iscallable
  var isCallable = documentAll_1.IS_HTMLDDA ? function (argument) {
    return typeof argument == 'function' || argument === documentAll$1;
  } : function (argument) {
    return typeof argument == 'function';
  };

  var documentAll = documentAll_1.all;

  var isObject = documentAll_1.IS_HTMLDDA ? function (it) {
    return typeof it == 'object' ? it !== null : isCallable(it) || it === documentAll;
  } : function (it) {
    return typeof it == 'object' ? it !== null : isCallable(it);
  };

  var aFunction = function (argument) {
    return isCallable(argument) ? argument : undefined;
  };

  var getBuiltIn = function (namespace, method) {
    return arguments.length < 2 ? aFunction(global$1[namespace]) : global$1[namespace] && global$1[namespace][method];
  };

  var objectIsPrototypeOf = functionUncurryThis({}.isPrototypeOf);

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

  var process$4 = global$1.process;
  var Deno$1 = global$1.Deno;
  var versions = process$4 && process$4.versions || Deno$1 && Deno$1.version;
  var v8 = versions && versions.v8;
  var match, version$1;

  if (v8) {
    match = v8.split('.');
    // in old Chrome, versions of V8 isn't V8 = Chrome / 10
    // but their correct versions are not interesting for us
    version$1 = match[0] > 0 && match[0] < 4 ? 1 : +(match[0] + match[1]);
  }

  // BrowserFS NodeJS `process` polyfill incorrectly set `.v8` to `0.0`
  // so check `userAgent` even if `.v8` exists, but 0
  if (!version$1 && engineUserAgent) {
    match = engineUserAgent.match(/Edge\/(\d+)/);
    if (!match || match[1] >= 74) {
      match = engineUserAgent.match(/Chrome\/(\d+)/);
      if (match) version$1 = +match[1];
    }
  }

  var engineV8Version = version$1;

  /* eslint-disable es/no-symbol -- required for testing */

  // eslint-disable-next-line es/no-object-getownpropertysymbols -- required for testing
  var symbolConstructorDetection = !!Object.getOwnPropertySymbols && !fails(function () {
    var symbol = Symbol();
    // Chrome 38 Symbol has incorrect toString conversion
    // `get-own-property-symbols` polyfill symbols converted to object are not Symbol instances
    return !String(symbol) || !(Object(symbol) instanceof Symbol) ||
      // Chrome 38-40 symbols are not inherited from DOM collections prototypes to instances
      !Symbol.sham && engineV8Version && engineV8Version < 41;
  });

  /* eslint-disable es/no-symbol -- required for testing */

  var useSymbolAsUid = symbolConstructorDetection
    && !Symbol.sham
    && typeof Symbol.iterator == 'symbol';

  var $Object$3 = Object;

  var isSymbol = useSymbolAsUid ? function (it) {
    return typeof it == 'symbol';
  } : function (it) {
    var $Symbol = getBuiltIn('Symbol');
    return isCallable($Symbol) && objectIsPrototypeOf($Symbol.prototype, $Object$3(it));
  };

  var $String$3 = String;

  var tryToString = function (argument) {
    try {
      return $String$3(argument);
    } catch (error) {
      return 'Object';
    }
  };

  var $TypeError$e = TypeError;

  // `Assert: IsCallable(argument) is true`
  var aCallable = function (argument) {
    if (isCallable(argument)) return argument;
    throw $TypeError$e(tryToString(argument) + ' is not a function');
  };

  // `GetMethod` abstract operation
  // https://tc39.es/ecma262/#sec-getmethod
  var getMethod = function (V, P) {
    var func = V[P];
    return isNullOrUndefined(func) ? undefined : aCallable(func);
  };

  var $TypeError$d = TypeError;

  // `OrdinaryToPrimitive` abstract operation
  // https://tc39.es/ecma262/#sec-ordinarytoprimitive
  var ordinaryToPrimitive = function (input, pref) {
    var fn, val;
    if (pref === 'string' && isCallable(fn = input.toString) && !isObject(val = functionCall(fn, input))) return val;
    if (isCallable(fn = input.valueOf) && !isObject(val = functionCall(fn, input))) return val;
    if (pref !== 'string' && isCallable(fn = input.toString) && !isObject(val = functionCall(fn, input))) return val;
    throw $TypeError$d("Can't convert object to primitive value");
  };

  var isPure = false;

  // eslint-disable-next-line es/no-object-defineproperty -- safe
  var defineProperty$4 = Object.defineProperty;

  var defineGlobalProperty = function (key, value) {
    try {
      defineProperty$4(global$1, key, { value: value, configurable: true, writable: true });
    } catch (error) {
      global$1[key] = value;
    } return value;
  };

  var SHARED = '__core-js_shared__';
  var store$1 = global$1[SHARED] || defineGlobalProperty(SHARED, {});

  var sharedStore = store$1;

  var shared = createCommonjsModule(function (module) {
  (module.exports = function (key, value) {
    return sharedStore[key] || (sharedStore[key] = value !== undefined ? value : {});
  })('versions', []).push({
    version: '3.26.1',
    mode: 'global',
    copyright: '© 2014-2022 Denis Pushkarev (zloirock.ru)',
    license: 'https://github.com/zloirock/core-js/blob/v3.26.1/LICENSE',
    source: 'https://github.com/zloirock/core-js'
  });
  });

  var $Object$2 = Object;

  // `ToObject` abstract operation
  // https://tc39.es/ecma262/#sec-toobject
  var toObject = function (argument) {
    return $Object$2(requireObjectCoercible(argument));
  };

  var hasOwnProperty = functionUncurryThis({}.hasOwnProperty);

  // `HasOwnProperty` abstract operation
  // https://tc39.es/ecma262/#sec-hasownproperty
  // eslint-disable-next-line es/no-object-hasown -- safe
  var hasOwnProperty_1 = Object.hasOwn || function hasOwn(it, key) {
    return hasOwnProperty(toObject(it), key);
  };

  var id = 0;
  var postfix = Math.random();
  var toString$1 = functionUncurryThis(1.0.toString);

  var uid = function (key) {
    return 'Symbol(' + (key === undefined ? '' : key) + ')_' + toString$1(++id + postfix, 36);
  };

  var WellKnownSymbolsStore = shared('wks');
  var Symbol$1 = global$1.Symbol;
  var symbolFor = Symbol$1 && Symbol$1['for'];
  var createWellKnownSymbol = useSymbolAsUid ? Symbol$1 : Symbol$1 && Symbol$1.withoutSetter || uid;

  var wellKnownSymbol = function (name) {
    if (!hasOwnProperty_1(WellKnownSymbolsStore, name) || !(symbolConstructorDetection || typeof WellKnownSymbolsStore[name] == 'string')) {
      var description = 'Symbol.' + name;
      if (symbolConstructorDetection && hasOwnProperty_1(Symbol$1, name)) {
        WellKnownSymbolsStore[name] = Symbol$1[name];
      } else if (useSymbolAsUid && symbolFor) {
        WellKnownSymbolsStore[name] = symbolFor(description);
      } else {
        WellKnownSymbolsStore[name] = createWellKnownSymbol(description);
      }
    } return WellKnownSymbolsStore[name];
  };

  var $TypeError$c = TypeError;
  var TO_PRIMITIVE = wellKnownSymbol('toPrimitive');

  // `ToPrimitive` abstract operation
  // https://tc39.es/ecma262/#sec-toprimitive
  var toPrimitive = function (input, pref) {
    if (!isObject(input) || isSymbol(input)) return input;
    var exoticToPrim = getMethod(input, TO_PRIMITIVE);
    var result;
    if (exoticToPrim) {
      if (pref === undefined) pref = 'default';
      result = functionCall(exoticToPrim, input, pref);
      if (!isObject(result) || isSymbol(result)) return result;
      throw $TypeError$c("Can't convert object to primitive value");
    }
    if (pref === undefined) pref = 'number';
    return ordinaryToPrimitive(input, pref);
  };

  // `ToPropertyKey` abstract operation
  // https://tc39.es/ecma262/#sec-topropertykey
  var toPropertyKey = function (argument) {
    var key = toPrimitive(argument, 'string');
    return isSymbol(key) ? key : key + '';
  };

  var document$3 = global$1.document;
  // typeof document.createElement is 'object' in old IE
  var EXISTS$1 = isObject(document$3) && isObject(document$3.createElement);

  var documentCreateElement = function (it) {
    return EXISTS$1 ? document$3.createElement(it) : {};
  };

  // Thanks to IE8 for its funny defineProperty
  var ie8DomDefine = !descriptors && !fails(function () {
    // eslint-disable-next-line es/no-object-defineproperty -- required for testing
    return Object.defineProperty(documentCreateElement('div'), 'a', {
      get: function () { return 7; }
    }).a != 7;
  });

  // eslint-disable-next-line es/no-object-getownpropertydescriptor -- safe
  var $getOwnPropertyDescriptor$1 = Object.getOwnPropertyDescriptor;

  // `Object.getOwnPropertyDescriptor` method
  // https://tc39.es/ecma262/#sec-object.getownpropertydescriptor
  var f$5 = descriptors ? $getOwnPropertyDescriptor$1 : function getOwnPropertyDescriptor(O, P) {
    O = toIndexedObject(O);
    P = toPropertyKey(P);
    if (ie8DomDefine) try {
      return $getOwnPropertyDescriptor$1(O, P);
    } catch (error) { /* empty */ }
    if (hasOwnProperty_1(O, P)) return createPropertyDescriptor(!functionCall(objectPropertyIsEnumerable.f, O, P), O[P]);
  };

  var objectGetOwnPropertyDescriptor = {
  	f: f$5
  };

  // V8 ~ Chrome 36-
  // https://bugs.chromium.org/p/v8/issues/detail?id=3334
  var v8PrototypeDefineBug = descriptors && fails(function () {
    // eslint-disable-next-line es/no-object-defineproperty -- required for testing
    return Object.defineProperty(function () { /* empty */ }, 'prototype', {
      value: 42,
      writable: false
    }).prototype != 42;
  });

  var $String$2 = String;
  var $TypeError$b = TypeError;

  // `Assert: Type(argument) is Object`
  var anObject = function (argument) {
    if (isObject(argument)) return argument;
    throw $TypeError$b($String$2(argument) + ' is not an object');
  };

  var $TypeError$a = TypeError;
  // eslint-disable-next-line es/no-object-defineproperty -- safe
  var $defineProperty = Object.defineProperty;
  // eslint-disable-next-line es/no-object-getownpropertydescriptor -- safe
  var $getOwnPropertyDescriptor = Object.getOwnPropertyDescriptor;
  var ENUMERABLE = 'enumerable';
  var CONFIGURABLE$1 = 'configurable';
  var WRITABLE = 'writable';

  // `Object.defineProperty` method
  // https://tc39.es/ecma262/#sec-object.defineproperty
  var f$4 = descriptors ? v8PrototypeDefineBug ? function defineProperty(O, P, Attributes) {
    anObject(O);
    P = toPropertyKey(P);
    anObject(Attributes);
    if (typeof O === 'function' && P === 'prototype' && 'value' in Attributes && WRITABLE in Attributes && !Attributes[WRITABLE]) {
      var current = $getOwnPropertyDescriptor(O, P);
      if (current && current[WRITABLE]) {
        O[P] = Attributes.value;
        Attributes = {
          configurable: CONFIGURABLE$1 in Attributes ? Attributes[CONFIGURABLE$1] : current[CONFIGURABLE$1],
          enumerable: ENUMERABLE in Attributes ? Attributes[ENUMERABLE] : current[ENUMERABLE],
          writable: false
        };
      }
    } return $defineProperty(O, P, Attributes);
  } : $defineProperty : function defineProperty(O, P, Attributes) {
    anObject(O);
    P = toPropertyKey(P);
    anObject(Attributes);
    if (ie8DomDefine) try {
      return $defineProperty(O, P, Attributes);
    } catch (error) { /* empty */ }
    if ('get' in Attributes || 'set' in Attributes) throw $TypeError$a('Accessors not supported');
    if ('value' in Attributes) O[P] = Attributes.value;
    return O;
  };

  var objectDefineProperty = {
  	f: f$4
  };

  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 FunctionPrototype$1 = Function.prototype;
  // eslint-disable-next-line es/no-object-getownpropertydescriptor -- safe
  var getDescriptor = descriptors && Object.getOwnPropertyDescriptor;

  var EXISTS = hasOwnProperty_1(FunctionPrototype$1, 'name');
  // additional protection from minified / mangled / dropped function names
  var PROPER = EXISTS && (function something() { /* empty */ }).name === 'something';
  var CONFIGURABLE = EXISTS && (!descriptors || (descriptors && getDescriptor(FunctionPrototype$1, 'name').configurable));

  var functionName = {
    EXISTS: EXISTS,
    PROPER: PROPER,
    CONFIGURABLE: CONFIGURABLE
  };

  var functionToString = functionUncurryThis(Function.toString);

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

  var inspectSource = sharedStore.inspectSource;

  var WeakMap$1 = global$1.WeakMap;

  var weakMapBasicDetection = isCallable(WeakMap$1) && /native code/.test(String(WeakMap$1));

  var keys$1 = shared('keys');

  var sharedKey = function (key) {
    return keys$1[key] || (keys$1[key] = uid(key));
  };

  var hiddenKeys$1 = {};

  var OBJECT_ALREADY_INITIALIZED = 'Object already initialized';
  var TypeError$2 = global$1.TypeError;
  var WeakMap = global$1.WeakMap;
  var set$1, get, has;

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

  var getterFor = function (TYPE) {
    return function (it) {
      var state;
      if (!isObject(it) || (state = get(it)).type !== TYPE) {
        throw TypeError$2('Incompatible receiver, ' + TYPE + ' required');
      } return state;
    };
  };

  if (weakMapBasicDetection || sharedStore.state) {
    var store = sharedStore.state || (sharedStore.state = new WeakMap());
    /* eslint-disable no-self-assign -- prototype methods protection */
    store.get = store.get;
    store.has = store.has;
    store.set = store.set;
    /* eslint-enable no-self-assign -- prototype methods protection */
    set$1 = function (it, metadata) {
      if (store.has(it)) throw TypeError$2(OBJECT_ALREADY_INITIALIZED);
      metadata.facade = it;
      store.set(it, metadata);
      return metadata;
    };
    get = function (it) {
      return store.get(it) || {};
    };
    has = function (it) {
      return store.has(it);
    };
  } else {
    var STATE = sharedKey('state');
    hiddenKeys$1[STATE] = true;
    set$1 = function (it, metadata) {
      if (hasOwnProperty_1(it, STATE)) throw TypeError$2(OBJECT_ALREADY_INITIALIZED);
      metadata.facade = it;
      createNonEnumerableProperty(it, STATE, metadata);
      return metadata;
    };
    get = function (it) {
      return hasOwnProperty_1(it, STATE) ? it[STATE] : {};
    };
    has = function (it) {
      return hasOwnProperty_1(it, STATE);
    };
  }

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

  var makeBuiltIn_1 = createCommonjsModule(function (module) {
  var CONFIGURABLE_FUNCTION_NAME = functionName.CONFIGURABLE;



  var enforceInternalState = internalState.enforce;
  var getInternalState = internalState.get;
  // eslint-disable-next-line es/no-object-defineproperty -- safe
  var defineProperty = Object.defineProperty;

  var CONFIGURABLE_LENGTH = descriptors && !fails(function () {
    return defineProperty(function () { /* empty */ }, 'length', { value: 8 }).length !== 8;
  });

  var TEMPLATE = String(String).split('String');

  var makeBuiltIn = module.exports = function (value, name, options) {
    if (String(name).slice(0, 7) === 'Symbol(') {
      name = '[' + String(name).replace(/^Symbol\(([^)]*)\)/, '$1') + ']';
    }
    if (options && options.getter) name = 'get ' + name;
    if (options && options.setter) name = 'set ' + name;
    if (!hasOwnProperty_1(value, 'name') || (CONFIGURABLE_FUNCTION_NAME && value.name !== name)) {
      if (descriptors) defineProperty(value, 'name', { value: name, configurable: true });
      else value.name = name;
    }
    if (CONFIGURABLE_LENGTH && options && hasOwnProperty_1(options, 'arity') && value.length !== options.arity) {
      defineProperty(value, 'length', { value: options.arity });
    }
    try {
      if (options && hasOwnProperty_1(options, 'constructor') && options.constructor) {
        if (descriptors) defineProperty(value, 'prototype', { writable: false });
      // in V8 ~ Chrome 53, prototypes of some methods, like `Array.prototype.values`, are non-writable
      } else if (value.prototype) value.prototype = undefined;
    } catch (error) { /* empty */ }
    var state = enforceInternalState(value);
    if (!hasOwnProperty_1(state, 'source')) {
      state.source = TEMPLATE.join(typeof name == 'string' ? name : '');
    } return value;
  };

  // add fake Function#toString for correct work wrapped methods / constructors with methods like LoDash isNative
  // eslint-disable-next-line no-extend-native -- required
  Function.prototype.toString = makeBuiltIn(function toString() {
    return isCallable(this) && getInternalState(this).source || inspectSource(this);
  }, 'toString');
  });

  var defineBuiltIn = function (O, key, value, options) {
    if (!options) options = {};
    var simple = options.enumerable;
    var name = options.name !== undefined ? options.name : key;
    if (isCallable(value)) makeBuiltIn_1(value, name, options);
    if (options.global) {
      if (simple) O[key] = value;
      else defineGlobalProperty(key, value);
    } else {
      try {
        if (!options.unsafe) delete O[key];
        else if (O[key]) simple = true;
      } catch (error) { /* empty */ }
      if (simple) O[key] = value;
      else objectDefineProperty.f(O, key, {
        value: value,
        enumerable: false,
        configurable: !options.nonConfigurable,
        writable: !options.nonWritable
      });
    } return O;
  };

  var ceil = Math.ceil;
  var floor$1 = Math.floor;

  // `Math.trunc` method
  // https://tc39.es/ecma262/#sec-math.trunc
  // eslint-disable-next-line es/no-math-trunc -- safe
  var mathTrunc = Math.trunc || function trunc(x) {
    var n = +x;
    return (n > 0 ? floor$1 : ceil)(n);
  };

  // `ToIntegerOrInfinity` abstract operation
  // https://tc39.es/ecma262/#sec-tointegerorinfinity
  var toIntegerOrInfinity = function (argument) {
    var number = +argument;
    // eslint-disable-next-line no-self-compare -- NaN check
    return number !== number || number === 0 ? 0 : mathTrunc(number);
  };

  var max$1 = Math.max;
  var min$2 = 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 = toIntegerOrInfinity(index);
    return integer < 0 ? max$1(integer + length, 0) : min$2(integer, length);
  };

  var min$1 = Math.min;

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

  // `LengthOfArrayLike` abstract operation
  // https://tc39.es/ecma262/#sec-lengthofarraylike
  var lengthOfArrayLike = function (obj) {
    return toLength(obj.length);
  };

  // `Array.prototype.{ indexOf, includes }` methods implementation
  var createMethod$2 = function (IS_INCLUDES) {
    return function ($this, el, fromIndex) {
      var O = toIndexedObject($this);
      var length = lengthOfArrayLike(O);
      var index = toAbsoluteIndex(fromIndex, length);
      var value;
      // Array#includes uses SameValueZero equality algorithm
      // eslint-disable-next-line no-self-compare -- NaN check
      if (IS_INCLUDES && el != el) while (length > index) {
        value = O[index++];
        // eslint-disable-next-line no-self-compare -- NaN check
        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.es/ecma262/#sec-array.prototype.includes
    includes: createMethod$2(true),
    // `Array.prototype.indexOf` method
    // https://tc39.es/ecma262/#sec-array.prototype.indexof
    indexOf: createMethod$2(false)
  };

  var indexOf$1 = arrayIncludes.indexOf;


  var push$1 = functionUncurryThis([].push);

  var objectKeysInternal = function (object, names) {
    var O = toIndexedObject(object);
    var i = 0;
    var result = [];
    var key;
    for (key in O) !hasOwnProperty_1(hiddenKeys$1, key) && hasOwnProperty_1(O, key) && push$1(result, key);
    // Don't enum bug & hidden keys
    while (names.length > i) if (hasOwnProperty_1(O, key = names[i++])) {
      ~indexOf$1(result, key) || push$1(result, key);
    }
    return result;
  };

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

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

  // `Object.getOwnPropertyNames` method
  // https://tc39.es/ecma262/#sec-object.getownpropertynames
  // eslint-disable-next-line es/no-object-getownpropertynames -- safe
  var f$3 = Object.getOwnPropertyNames || function getOwnPropertyNames(O) {
    return objectKeysInternal(O, hiddenKeys);
  };

  var objectGetOwnPropertyNames = {
  	f: f$3
  };

  // eslint-disable-next-line es/no-object-getownpropertysymbols -- safe
  var f$2 = Object.getOwnPropertySymbols;

  var objectGetOwnPropertySymbols = {
  	f: f$2
  };

  var concat$1 = functionUncurryThis([].concat);

  // all object keys, includes non-enumerable and symbols
  var ownKeys$6 = getBuiltIn('Reflect', 'ownKeys') || function ownKeys(it) {
    var keys = objectGetOwnPropertyNames.f(anObject(it));
    var getOwnPropertySymbols = objectGetOwnPropertySymbols.f;
    return getOwnPropertySymbols ? concat$1(keys, getOwnPropertySymbols(it)) : keys;
  };

  var copyConstructorProperties = function (target, source, exceptions) {
    var keys = ownKeys$6(source);
    var defineProperty = objectDefineProperty.f;
    var getOwnPropertyDescriptor = objectGetOwnPropertyDescriptor.f;
    for (var i = 0; i < keys.length; i++) {
      var key = keys[i];
      if (!hasOwnProperty_1(target, key) && !(exceptions && hasOwnProperty_1(exceptions, 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
      : isCallable(detection) ? 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.dontCallGetSet - prevent calling a getter on target
    options.name           - the .name of the function if it does not match the key
  */
  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] || defineGlobalProperty(TARGET, {});
    } else {
      target = (global$1[TARGET] || {}).prototype;
    }
    if (target) for (key in source) {
      sourceProperty = source[key];
      if (options.dontCallGetSet) {
        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);
      }
      defineBuiltIn(target, key, sourceProperty, options);
    }
  };

  var FunctionPrototype = Function.prototype;
  var apply = FunctionPrototype.apply;
  var call = FunctionPrototype.call;

  // eslint-disable-next-line es/no-reflect -- safe
  var functionApply = typeof Reflect == 'object' && Reflect.apply || (functionBindNative ? call.bind(apply) : function () {
    return call.apply(apply, arguments);
  });

  // `IsArray` abstract operation
  // https://tc39.es/ecma262/#sec-isarray
  // eslint-disable-next-line es/no-array-isarray -- safe
  var isArray = Array.isArray || function isArray(argument) {
    return classofRaw(argument) == 'Array';
  };

  var arraySlice = functionUncurryThis([].slice);

  var $stringify = getBuiltIn('JSON', 'stringify');
  var exec$2 = functionUncurryThis(/./.exec);
  var charAt$5 = functionUncurryThis(''.charAt);
  var charCodeAt$1 = functionUncurryThis(''.charCodeAt);
  var replace$5 = functionUncurryThis(''.replace);
  var numberToString = functionUncurryThis(1.0.toString);

  var tester = /[\uD800-\uDFFF]/g;
  var low = /^[\uD800-\uDBFF]$/;
  var hi = /^[\uDC00-\uDFFF]$/;

  var WRONG_SYMBOLS_CONVERSION = !symbolConstructorDetection || fails(function () {
    var symbol = getBuiltIn('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)) != '{}';
  });

  // https://github.com/tc39/proposal-well-formed-stringify
  var ILL_FORMED_UNICODE = fails(function () {
    return $stringify('\uDF06\uD834') !== '"\\udf06\\ud834"'
      || $stringify('\uDEAD') !== '"\\udead"';
  });

  var stringifyWithSymbolsFix = function (it, replacer) {
    var args = arraySlice(arguments);
    var $replacer = replacer;
    if (!isObject(replacer) && it === undefined || isSymbol(it)) return; // IE8 returns string on undefined
    if (!isArray(replacer)) replacer = function (key, value) {
      if (isCallable($replacer)) value = functionCall($replacer, this, key, value);
      if (!isSymbol(value)) return value;
    };
    args[1] = replacer;
    return functionApply($stringify, null, args);
  };

  var fixIllFormed = function (match, offset, string) {
    var prev = charAt$5(string, offset - 1);
    var next = charAt$5(string, offset + 1);
    if ((exec$2(low, match) && !exec$2(hi, next)) || (exec$2(hi, match) && !exec$2(low, prev))) {
      return '\\u' + numberToString(charCodeAt$1(match, 0), 16);
    } return match;
  };

  if ($stringify) {
    // `JSON.stringify` method
    // https://tc39.es/ecma262/#sec-json.stringify
    _export({ target: 'JSON', stat: true, arity: 3, forced: WRONG_SYMBOLS_CONVERSION || ILL_FORMED_UNICODE }, {
      // eslint-disable-next-line no-unused-vars -- required for `.length`
      stringify: function stringify(it, replacer, space) {
        var args = arraySlice(arguments);
        var result = functionApply(WRONG_SYMBOLS_CONVERSION ? stringifyWithSymbolsFix : $stringify, null, args);
        return ILL_FORMED_UNICODE && typeof result == 'string' ? replace$5(result, tester, fixIllFormed) : result;
      }
    });
  }

  // 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
  };

  // in old WebKit versions, `element.classList` is not an instance of global `DOMTokenList`


  var classList = documentCreateElement('span').classList;
  var DOMTokenListPrototype = classList && classList.constructor && classList.constructor.prototype;

  var domTokenListPrototype = DOMTokenListPrototype === Object.prototype ? undefined : DOMTokenListPrototype;

  // `Object.keys` method
  // https://tc39.es/ecma262/#sec-object.keys
  // eslint-disable-next-line es/no-object-keys -- safe
  var objectKeys = Object.keys || function keys(O) {
    return objectKeysInternal(O, enumBugKeys);
  };

  // `Object.defineProperties` method
  // https://tc39.es/ecma262/#sec-object.defineproperties
  // eslint-disable-next-line es/no-object-defineproperties -- safe
  var f$1 = descriptors && !v8PrototypeDefineBug ? Object.defineProperties : function defineProperties(O, Properties) {
    anObject(O);
    var props = toIndexedObject(Properties);
    var keys = objectKeys(Properties);
    var length = keys.length;
    var index = 0;
    var key;
    while (length > index) objectDefineProperty.f(O, key = keys[index++], props[key]);
    return O;
  };

  var objectDefineProperties = {
  	f: f$1
  };

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

  /* global ActiveXObject -- old IE, WSH */

  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 {
      activeXDocument = new ActiveXObject('htmlfile');
    } catch (error) { /* ignore */ }
    NullProtoObject = typeof document != 'undefined'
      ? document.domain && activeXDocument
        ? NullProtoObjectViaActiveX(activeXDocument) // old IE
        : NullProtoObjectViaIFrame()
      : NullProtoObjectViaActiveX(activeXDocument); // WSH
    var length = enumBugKeys.length;
    while (length--) delete NullProtoObject[PROTOTYPE][enumBugKeys[length]];
    return NullProtoObject();
  };

  hiddenKeys$1[IE_PROTO$1] = true;

  // `Object.create` method
  // https://tc39.es/ecma262/#sec-object.create
  // eslint-disable-next-line es/no-object-create -- safe
  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.f(result, Properties);
  };

  var defineProperty$3 = objectDefineProperty.f;

  var UNSCOPABLES = wellKnownSymbol('unscopables');
  var ArrayPrototype$1 = Array.prototype;

  // Array.prototype[@@unscopables]
  // https://tc39.es/ecma262/#sec-array.prototype-@@unscopables
  if (ArrayPrototype$1[UNSCOPABLES] == undefined) {
    defineProperty$3(ArrayPrototype$1, UNSCOPABLES, {
      configurable: true,
      value: objectCreate(null)
    });
  }

  // add a key to Array.prototype[@@unscopables]
  var addToUnscopables = function (key) {
    ArrayPrototype$1[UNSCOPABLES][key] = true;
  };

  var iterators = {};

  var correctPrototypeGetter = !fails(function () {
    function F() { /* empty */ }
    F.prototype.constructor = null;
    // eslint-disable-next-line es/no-object-getprototypeof -- required for testing
    return Object.getPrototypeOf(new F()) !== F.prototype;
  });

  var IE_PROTO = sharedKey('IE_PROTO');
  var $Object$1 = Object;
  var ObjectPrototype = $Object$1.prototype;

  // `Object.getPrototypeOf` method
  // https://tc39.es/ecma262/#sec-object.getprototypeof
  // eslint-disable-next-line es/no-object-getprototypeof -- safe
  var objectGetPrototypeOf = correctPrototypeGetter ? $Object$1.getPrototypeOf : function (O) {
    var object = toObject(O);
    if (hasOwnProperty_1(object, IE_PROTO)) return object[IE_PROTO];
    var constructor = object.constructor;
    if (isCallable(constructor) && object instanceof constructor) {
      return constructor.prototype;
    } return object instanceof $Object$1 ? ObjectPrototype : null;
  };

  var ITERATOR$5 = wellKnownSymbol('iterator');
  var BUGGY_SAFARI_ITERATORS$1 = false;

  // `%IteratorPrototype%` object
  // https://tc39.es/ecma262/#sec-%iteratorprototype%-object
  var IteratorPrototype$2, PrototypeOfArrayIteratorPrototype, arrayIterator;

  /* eslint-disable es/no-array-prototype-keys -- safe */
  if ([].keys) {
    arrayIterator = [].keys();
    // Safari 8 has buggy iterators w/o `next`
    if (!('next' in arrayIterator)) BUGGY_SAFARI_ITERATORS$1 = true;
    else {
      PrototypeOfArrayIteratorPrototype = objectGetPrototypeOf(objectGetPrototypeOf(arrayIterator));
      if (PrototypeOfArrayIteratorPrototype !== Object.prototype) IteratorPrototype$2 = PrototypeOfArrayIteratorPrototype;
    }
  }

  var NEW_ITERATOR_PROTOTYPE = !isObject(IteratorPrototype$2) || fails(function () {
    var test = {};
    // FF44- legacy iterators case
    return IteratorPrototype$2[ITERATOR$5].call(test) !== test;
  });

  if (NEW_ITERATOR_PROTOTYPE) IteratorPrototype$2 = {};

  // `%IteratorPrototype%[@@iterator]()` method
  // https://tc39.es/ecma262/#sec-%iteratorprototype%-@@iterator
  if (!isCallable(IteratorPrototype$2[ITERATOR$5])) {
    defineBuiltIn(IteratorPrototype$2, ITERATOR$5, function () {
      return this;
    });
  }

  var iteratorsCore = {
    IteratorPrototype: IteratorPrototype$2,
    BUGGY_SAFARI_ITERATORS: BUGGY_SAFARI_ITERATORS$1
  };

  var defineProperty$2 = objectDefineProperty.f;



  var TO_STRING_TAG$3 = wellKnownSymbol('toStringTag');

  var setToStringTag = function (target, TAG, STATIC) {
    if (target && !STATIC) target = target.prototype;
    if (target && !hasOwnProperty_1(target, TO_STRING_TAG$3)) {
      defineProperty$2(target, TO_STRING_TAG$3, { configurable: true, value: TAG });
    }
  };

  var IteratorPrototype$1 = iteratorsCore.IteratorPrototype;





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

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

  var $String$1 = String;
  var $TypeError$9 = TypeError;

  var aPossiblePrototype = function (argument) {
    if (typeof argument == 'object' || isCallable(argument)) return argument;
    throw $TypeError$9("Can't set " + $String$1(argument) + ' as a prototype');
  };

  /* eslint-disable no-proto -- safe */

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

  var PROPER_FUNCTION_NAME$1 = functionName.PROPER;
  var CONFIGURABLE_FUNCTION_NAME = functionName.CONFIGURABLE;
  var IteratorPrototype = iteratorsCore.IteratorPrototype;
  var BUGGY_SAFARI_ITERATORS = iteratorsCore.BUGGY_SAFARI_ITERATORS;
  var ITERATOR$4 = wellKnownSymbol('iterator');
  var KEYS = 'keys';
  var VALUES = 'values';
  var ENTRIES = 'entries';

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

  var iteratorDefine = function (Iterable, NAME, IteratorConstructor, next, DEFAULT, IS_SET, FORCED) {
    iteratorCreateConstructor(IteratorConstructor, NAME, next);

    var getIterationMethod = function (KIND) {
      if (KIND === DEFAULT && defaultIterator) return defaultIterator;
      if (!BUGGY_SAFARI_ITERATORS && 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$4]
      || IterablePrototype['@@iterator']
      || DEFAULT && IterablePrototype[DEFAULT];
    var defaultIterator = !BUGGY_SAFARI_ITERATORS && 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 (CurrentIteratorPrototype !== Object.prototype && CurrentIteratorPrototype.next) {
        if (objectGetPrototypeOf(CurrentIteratorPrototype) !== IteratorPrototype) {
          if (objectSetPrototypeOf) {
            objectSetPrototypeOf(CurrentIteratorPrototype, IteratorPrototype);
          } else if (!isCallable(CurrentIteratorPrototype[ITERATOR$4])) {
            defineBuiltIn(CurrentIteratorPrototype, ITERATOR$4, returnThis);
          }
        }
        // Set @@toStringTag to native iterators
        setToStringTag(CurrentIteratorPrototype, TO_STRING_TAG, true);
      }
    }

    // fix Array.prototype.{ values, @@iterator }.name in V8 / FF
    if (PROPER_FUNCTION_NAME$1 && DEFAULT == VALUES && nativeIterator && nativeIterator.name !== VALUES) {
      if (CONFIGURABLE_FUNCTION_NAME) {
        createNonEnumerableProperty(IterablePrototype, 'name', VALUES);
      } else {
        INCORRECT_VALUES_NAME = true;
        defaultIterator = function values() { return functionCall(nativeIterator, this); };
      }
    }

    // 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 || INCORRECT_VALUES_NAME || !(KEY in IterablePrototype)) {
          defineBuiltIn(IterablePrototype, KEY, methods[KEY]);
        }
      } else _export({ target: NAME, proto: true, forced: BUGGY_SAFARI_ITERATORS || INCORRECT_VALUES_NAME }, methods);
    }

    // define iterator
    if (IterablePrototype[ITERATOR$4] !== defaultIterator) {
      defineBuiltIn(IterablePrototype, ITERATOR$4, defaultIterator, { name: DEFAULT });
    }
    iterators[NAME] = defaultIterator;

    return methods;
  };

  // `CreateIterResultObject` abstract operation
  // https://tc39.es/ecma262/#sec-createiterresultobject
  var createIterResultObject = function (value, done) {
    return { value: value, done: done };
  };

  var defineProperty$1 = objectDefineProperty.f;





  var ARRAY_ITERATOR = 'Array Iterator';
  var setInternalState$2 = internalState.set;
  var getInternalState$3 = internalState.getterFor(ARRAY_ITERATOR);

  // `Array.prototype.entries` method
  // https://tc39.es/ecma262/#sec-array.prototype.entries
  // `Array.prototype.keys` method
  // https://tc39.es/ecma262/#sec-array.prototype.keys
  // `Array.prototype.values` method
  // https://tc39.es/ecma262/#sec-array.prototype.values
  // `Array.prototype[@@iterator]` method
  // https://tc39.es/ecma262/#sec-array.prototype-@@iterator
  // `CreateArrayIterator` internal method
  // https://tc39.es/ecma262/#sec-createarrayiterator
  var es_array_iterator = iteratorDefine(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.es/ecma262/#sec-%arrayiteratorprototype%.next
  }, function () {
    var state = getInternalState$3(this);
    var target = state.target;
    var kind = state.kind;
    v