var doric = (function (exports) {
    'use strict';

    /*
     * Copyright [2019] [Doric.Pub]
     *
     * Licensed under the Apache License, Version 2.0 (the "License");
     * you may not use this file except in compliance with the License.
     * You may obtain a copy of the License at
     *
     * http://www.apache.org/licenses/LICENSE-2.0
     *
     * Unless required by applicable law or agreed to in writing, software
     * distributed under the License is distributed on an "AS IS" BASIS,
     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     * See the License for the specific language governing permissions and
     * limitations under the License.
     */
    var __uniqueId__ = 0;
    function uniqueId(prefix) {
        return "__" + prefix + "_" + __uniqueId__++ + "__";
    }

    function toString(message) {
        if (message instanceof Function) {
            return message.toString();
        }
        else if (message instanceof Object) {
            try {
                return JSON.stringify(message);
            }
            catch (e) {
                return message.toString();
            }
        }
        else if (message === undefined) {
            return "undefined";
        }
        else {
            return message.toString();
        }
    }
    function loge() {
        var arguments$1 = arguments;

        var message = [];
        for (var _i = 0; _i < arguments.length; _i++) {
            message[_i] = arguments$1[_i];
        }
        var out = "";
        for (var i = 0; i < arguments.length; i++) {
            if (i > 0) {
                out += ',';
            }
            out += toString(arguments$1[i]);
        }
        nativeLog('e', out);
    }

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

    /*! *****************************************************************************
    Copyright (C) Microsoft. All rights reserved.
    Licensed under the Apache License, Version 2.0 (the "License"); you may not use
    this file except in compliance with the License. You may obtain a copy of the
    License at http://www.apache.org/licenses/LICENSE-2.0

    THIS CODE IS PROVIDED ON AN *AS IS* BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
    KIND, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION ANY IMPLIED
    WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE,
    MERCHANTABLITY OR NON-INFRINGEMENT.

    See the Apache Version 2.0 License for specific language governing permissions
    and limitations under the License.
    ***************************************************************************** */
    var Reflect$1;
    (function (Reflect) {
        // Metadata Proposal
        // https://rbuckton.github.io/reflect-metadata/
        (function (factory) {
            var root = typeof commonjsGlobal === "object" ? commonjsGlobal :
                typeof self === "object" ? self :
                    typeof this === "object" ? this :
                        Function("return this;")();
            var exporter = makeExporter(Reflect);
            if (typeof root.Reflect === "undefined") {
                root.Reflect = Reflect;
            }
            else {
                exporter = makeExporter(root.Reflect, exporter);
            }
            factory(exporter);
            function makeExporter(target, previous) {
                return function (key, value) {
                    if (typeof target[key] !== "function") {
                        Object.defineProperty(target, key, { configurable: true, writable: true, value: value });
                    }
                    if (previous)
                        { previous(key, value); }
                };
            }
        })(function (exporter) {
            var hasOwn = Object.prototype.hasOwnProperty;
            // feature test for Symbol support
            var supportsSymbol = typeof Symbol === "function";
            var toPrimitiveSymbol = supportsSymbol && typeof Symbol.toPrimitive !== "undefined" ? Symbol.toPrimitive : "@@toPrimitive";
            var iteratorSymbol = supportsSymbol && typeof Symbol.iterator !== "undefined" ? Symbol.iterator : "@@iterator";
            var supportsCreate = typeof Object.create === "function"; // feature test for Object.create support
            var supportsProto = { __proto__: [] } instanceof Array; // feature test for __proto__ support
            var downLevel = !supportsCreate && !supportsProto;
            var HashMap = {
                // create an object in dictionary mode (a.k.a. "slow" mode in v8)
                create: supportsCreate
                    ? function () { return MakeDictionary(Object.create(null)); }
                    : supportsProto
                        ? function () { return MakeDictionary({ __proto__: null }); }
                        : function () { return MakeDictionary({}); },
                has: downLevel
                    ? function (map, key) { return hasOwn.call(map, key); }
                    : function (map, key) { return key in map; },
                get: downLevel
                    ? function (map, key) { return hasOwn.call(map, key) ? map[key] : undefined; }
                    : function (map, key) { return map[key]; },
            };
            // Load global or shim versions of Map, Set, and WeakMap
            var functionPrototype = Object.getPrototypeOf(Function);
            var usePolyfill = typeof process === "object" && process.env && process.env["REFLECT_METADATA_USE_MAP_POLYFILL"] === "true";
            var _Map = !usePolyfill && typeof Map === "function" && typeof Map.prototype.entries === "function" ? Map : CreateMapPolyfill();
            var _Set = !usePolyfill && typeof Set === "function" && typeof Set.prototype.entries === "function" ? Set : CreateSetPolyfill();
            var _WeakMap = !usePolyfill && typeof WeakMap === "function" ? WeakMap : CreateWeakMapPolyfill();
            // [[Metadata]] internal slot
            // https://rbuckton.github.io/reflect-metadata/#ordinary-object-internal-methods-and-internal-slots
            var Metadata = new _WeakMap();
            /**
             * Applies a set of decorators to a property of a target object.
             * @param decorators An array of decorators.
             * @param target The target object.
             * @param propertyKey (Optional) The property key to decorate.
             * @param attributes (Optional) The property descriptor for the target key.
             * @remarks Decorators are applied in reverse order.
             * @example
             *
             *     class Example {
             *         // property declarations are not part of ES6, though they are valid in TypeScript:
             *         // static staticProperty;
             *         // property;
             *
             *         constructor(p) { }
             *         static staticMethod(p) { }
             *         method(p) { }
             *     }
             *
             *     // constructor
             *     Example = Reflect.decorate(decoratorsArray, Example);
             *
             *     // property (on constructor)
             *     Reflect.decorate(decoratorsArray, Example, "staticProperty");
             *
             *     // property (on prototype)
             *     Reflect.decorate(decoratorsArray, Example.prototype, "property");
             *
             *     // method (on constructor)
             *     Object.defineProperty(Example, "staticMethod",
             *         Reflect.decorate(decoratorsArray, Example, "staticMethod",
             *             Object.getOwnPropertyDescriptor(Example, "staticMethod")));
             *
             *     // method (on prototype)
             *     Object.defineProperty(Example.prototype, "method",
             *         Reflect.decorate(decoratorsArray, Example.prototype, "method",
             *             Object.getOwnPropertyDescriptor(Example.prototype, "method")));
             *
             */
            function decorate(decorators, target, propertyKey, attributes) {
                if (!IsUndefined(propertyKey)) {
                    if (!IsArray(decorators))
                        { throw new TypeError(); }
                    if (!IsObject(target))
                        { throw new TypeError(); }
                    if (!IsObject(attributes) && !IsUndefined(attributes) && !IsNull(attributes))
                        { throw new TypeError(); }
                    if (IsNull(attributes))
                        { attributes = undefined; }
                    propertyKey = ToPropertyKey(propertyKey);
                    return DecorateProperty(decorators, target, propertyKey, attributes);
                }
                else {
                    if (!IsArray(decorators))
                        { throw new TypeError(); }
                    if (!IsConstructor(target))
                        { throw new TypeError(); }
                    return DecorateConstructor(decorators, target);
                }
            }
            exporter("decorate", decorate);
            // 4.1.2 Reflect.metadata(metadataKey, metadataValue)
            // https://rbuckton.github.io/reflect-metadata/#reflect.metadata
            /**
             * A default metadata decorator factory that can be used on a class, class member, or parameter.
             * @param metadataKey The key for the metadata entry.
             * @param metadataValue The value for the metadata entry.
             * @returns A decorator function.
             * @remarks
             * If `metadataKey` is already defined for the target and target key, the
             * metadataValue for that key will be overwritten.
             * @example
             *
             *     // constructor
             *     @Reflect.metadata(key, value)
             *     class Example {
             *     }
             *
             *     // property (on constructor, TypeScript only)
             *     class Example {
             *         @Reflect.metadata(key, value)
             *         static staticProperty;
             *     }
             *
             *     // property (on prototype, TypeScript only)
             *     class Example {
             *         @Reflect.metadata(key, value)
             *         property;
             *     }
             *
             *     // method (on constructor)
             *     class Example {
             *         @Reflect.metadata(key, value)
             *         static staticMethod() { }
             *     }
             *
             *     // method (on prototype)
             *     class Example {
             *         @Reflect.metadata(key, value)
             *         method() { }
             *     }
             *
             */
            function metadata(metadataKey, metadataValue) {
                function decorator(target, propertyKey) {
                    if (!IsObject(target))
                        { throw new TypeError(); }
                    if (!IsUndefined(propertyKey) && !IsPropertyKey(propertyKey))
                        { throw new TypeError(); }
                    OrdinaryDefineOwnMetadata(metadataKey, metadataValue, target, propertyKey);
                }
                return decorator;
            }
            exporter("metadata", metadata);
            /**
             * Define a unique metadata entry on the target.
             * @param metadataKey A key used to store and retrieve metadata.
             * @param metadataValue A value that contains attached metadata.
             * @param target The target object on which to define metadata.
             * @param propertyKey (Optional) The property key for the target.
             * @example
             *
             *     class Example {
             *         // property declarations are not part of ES6, though they are valid in TypeScript:
             *         // static staticProperty;
             *         // property;
             *
             *         constructor(p) { }
             *         static staticMethod(p) { }
             *         method(p) { }
             *     }
             *
             *     // constructor
             *     Reflect.defineMetadata("custom:annotation", options, Example);
             *
             *     // property (on constructor)
             *     Reflect.defineMetadata("custom:annotation", options, Example, "staticProperty");
             *
             *     // property (on prototype)
             *     Reflect.defineMetadata("custom:annotation", options, Example.prototype, "property");
             *
             *     // method (on constructor)
             *     Reflect.defineMetadata("custom:annotation", options, Example, "staticMethod");
             *
             *     // method (on prototype)
             *     Reflect.defineMetadata("custom:annotation", options, Example.prototype, "method");
             *
             *     // decorator factory as metadata-producing annotation.
             *     function MyAnnotation(options): Decorator {
             *         return (target, key?) => Reflect.defineMetadata("custom:annotation", options, target, key);
             *     }
             *
             */
            function defineMetadata(metadataKey, metadataValue, target, propertyKey) {
                if (!IsObject(target))
                    { throw new TypeError(); }
                if (!IsUndefined(propertyKey))
                    { propertyKey = ToPropertyKey(propertyKey); }
                return OrdinaryDefineOwnMetadata(metadataKey, metadataValue, target, propertyKey);
            }
            exporter("defineMetadata", defineMetadata);
            /**
             * Gets a value indicating whether the target object or its prototype chain has the provided metadata key defined.
             * @param metadataKey A key used to store and retrieve metadata.
             * @param target The target object on which the metadata is defined.
             * @param propertyKey (Optional) The property key for the target.
             * @returns `true` if the metadata key was defined on the target object or its prototype chain; otherwise, `false`.
             * @example
             *
             *     class Example {
             *         // property declarations are not part of ES6, though they are valid in TypeScript:
             *         // static staticProperty;
             *         // property;
             *
             *         constructor(p) { }
             *         static staticMethod(p) { }
             *         method(p) { }
             *     }
             *
             *     // constructor
             *     result = Reflect.hasMetadata("custom:annotation", Example);
             *
             *     // property (on constructor)
             *     result = Reflect.hasMetadata("custom:annotation", Example, "staticProperty");
             *
             *     // property (on prototype)
             *     result = Reflect.hasMetadata("custom:annotation", Example.prototype, "property");
             *
             *     // method (on constructor)
             *     result = Reflect.hasMetadata("custom:annotation", Example, "staticMethod");
             *
             *     // method (on prototype)
             *     result = Reflect.hasMetadata("custom:annotation", Example.prototype, "method");
             *
             */
            function hasMetadata(metadataKey, target, propertyKey) {
                if (!IsObject(target))
                    { throw new TypeError(); }
                if (!IsUndefined(propertyKey))
                    { propertyKey = ToPropertyKey(propertyKey); }
                return OrdinaryHasMetadata(metadataKey, target, propertyKey);
            }
            exporter("hasMetadata", hasMetadata);
            /**
             * Gets a value indicating whether the target object has the provided metadata key defined.
             * @param metadataKey A key used to store and retrieve metadata.
             * @param target The target object on which the metadata is defined.
             * @param propertyKey (Optional) The property key for the target.
             * @returns `true` if the metadata key was defined on the target object; otherwise, `false`.
             * @example
             *
             *     class Example {
             *         // property declarations are not part of ES6, though they are valid in TypeScript:
             *         // static staticProperty;
             *         // property;
             *
             *         constructor(p) { }
             *         static staticMethod(p) { }
             *         method(p) { }
             *     }
             *
             *     // constructor
             *     result = Reflect.hasOwnMetadata("custom:annotation", Example);
             *
             *     // property (on constructor)
             *     result = Reflect.hasOwnMetadata("custom:annotation", Example, "staticProperty");
             *
             *     // property (on prototype)
             *     result = Reflect.hasOwnMetadata("custom:annotation", Example.prototype, "property");
             *
             *     // method (on constructor)
             *     result = Reflect.hasOwnMetadata("custom:annotation", Example, "staticMethod");
             *
             *     // method (on prototype)
             *     result = Reflect.hasOwnMetadata("custom:annotation", Example.prototype, "method");
             *
             */
            function hasOwnMetadata(metadataKey, target, propertyKey) {
                if (!IsObject(target))
                    { throw new TypeError(); }
                if (!IsUndefined(propertyKey))
                    { propertyKey = ToPropertyKey(propertyKey); }
                return OrdinaryHasOwnMetadata(metadataKey, target, propertyKey);
            }
            exporter("hasOwnMetadata", hasOwnMetadata);
            /**
             * Gets the metadata value for the provided metadata key on the target object or its prototype chain.
             * @param metadataKey A key used to store and retrieve metadata.
             * @param target The target object on which the metadata is defined.
             * @param propertyKey (Optional) The property key for the target.
             * @returns The metadata value for the metadata key if found; otherwise, `undefined`.
             * @example
             *
             *     class Example {
             *         // property declarations are not part of ES6, though they are valid in TypeScript:
             *         // static staticProperty;
             *         // property;
             *
             *         constructor(p) { }
             *         static staticMethod(p) { }
             *         method(p) { }
             *     }
             *
             *     // constructor
             *     result = Reflect.getMetadata("custom:annotation", Example);
             *
             *     // property (on constructor)
             *     result = Reflect.getMetadata("custom:annotation", Example, "staticProperty");
             *
             *     // property (on prototype)
             *     result = Reflect.getMetadata("custom:annotation", Example.prototype, "property");
             *
             *     // method (on constructor)
             *     result = Reflect.getMetadata("custom:annotation", Example, "staticMethod");
             *
             *     // method (on prototype)
             *     result = Reflect.getMetadata("custom:annotation", Example.prototype, "method");
             *
             */
            function getMetadata(metadataKey, target, propertyKey) {
                if (!IsObject(target))
                    { throw new TypeError(); }
                if (!IsUndefined(propertyKey))
                    { propertyKey = ToPropertyKey(propertyKey); }
                return OrdinaryGetMetadata(metadataKey, target, propertyKey);
            }
            exporter("getMetadata", getMetadata);
            /**
             * Gets the metadata value for the provided metadata key on the target object.
             * @param metadataKey A key used to store and retrieve metadata.
             * @param target The target object on which the metadata is defined.
             * @param propertyKey (Optional) The property key for the target.
             * @returns The metadata value for the metadata key if found; otherwise, `undefined`.
             * @example
             *
             *     class Example {
             *         // property declarations are not part of ES6, though they are valid in TypeScript:
             *         // static staticProperty;
             *         // property;
             *
             *         constructor(p) { }
             *         static staticMethod(p) { }
             *         method(p) { }
             *     }
             *
             *     // constructor
             *     result = Reflect.getOwnMetadata("custom:annotation", Example);
             *
             *     // property (on constructor)
             *     result = Reflect.getOwnMetadata("custom:annotation", Example, "staticProperty");
             *
             *     // property (on prototype)
             *     result = Reflect.getOwnMetadata("custom:annotation", Example.prototype, "property");
             *
             *     // method (on constructor)
             *     result = Reflect.getOwnMetadata("custom:annotation", Example, "staticMethod");
             *
             *     // method (on prototype)
             *     result = Reflect.getOwnMetadata("custom:annotation", Example.prototype, "method");
             *
             */
            function getOwnMetadata(metadataKey, target, propertyKey) {
                if (!IsObject(target))
                    { throw new TypeError(); }
                if (!IsUndefined(propertyKey))
                    { propertyKey = ToPropertyKey(propertyKey); }
                return OrdinaryGetOwnMetadata(metadataKey, target, propertyKey);
            }
            exporter("getOwnMetadata", getOwnMetadata);
            /**
             * Gets the metadata keys defined on the target object or its prototype chain.
             * @param target The target object on which the metadata is defined.
             * @param propertyKey (Optional) The property key for the target.
             * @returns An array of unique metadata keys.
             * @example
             *
             *     class Example {
             *         // property declarations are not part of ES6, though they are valid in TypeScript:
             *         // static staticProperty;
             *         // property;
             *
             *         constructor(p) { }
             *         static staticMethod(p) { }
             *         method(p) { }
             *     }
             *
             *     // constructor
             *     result = Reflect.getMetadataKeys(Example);
             *
             *     // property (on constructor)
             *     result = Reflect.getMetadataKeys(Example, "staticProperty");
             *
             *     // property (on prototype)
             *     result = Reflect.getMetadataKeys(Example.prototype, "property");
             *
             *     // method (on constructor)
             *     result = Reflect.getMetadataKeys(Example, "staticMethod");
             *
             *     // method (on prototype)
             *     result = Reflect.getMetadataKeys(Example.prototype, "method");
             *
             */
            function getMetadataKeys(target, propertyKey) {
                if (!IsObject(target))
                    { throw new TypeError(); }
                if (!IsUndefined(propertyKey))
                    { propertyKey = ToPropertyKey(propertyKey); }
                return OrdinaryMetadataKeys(target, propertyKey);
            }
            exporter("getMetadataKeys", getMetadataKeys);
            /**
             * Gets the unique metadata keys defined on the target object.
             * @param target The target object on which the metadata is defined.
             * @param propertyKey (Optional) The property key for the target.
             * @returns An array of unique metadata keys.
             * @example
             *
             *     class Example {
             *         // property declarations are not part of ES6, though they are valid in TypeScript:
             *         // static staticProperty;
             *         // property;
             *
             *         constructor(p) { }
             *         static staticMethod(p) { }
             *         method(p) { }
             *     }
             *
             *     // constructor
             *     result = Reflect.getOwnMetadataKeys(Example);
             *
             *     // property (on constructor)
             *     result = Reflect.getOwnMetadataKeys(Example, "staticProperty");
             *
             *     // property (on prototype)
             *     result = Reflect.getOwnMetadataKeys(Example.prototype, "property");
             *
             *     // method (on constructor)
             *     result = Reflect.getOwnMetadataKeys(Example, "staticMethod");
             *
             *     // method (on prototype)
             *     result = Reflect.getOwnMetadataKeys(Example.prototype, "method");
             *
             */
            function getOwnMetadataKeys(target, propertyKey) {
                if (!IsObject(target))
                    { throw new TypeError(); }
                if (!IsUndefined(propertyKey))
                    { propertyKey = ToPropertyKey(propertyKey); }
                return OrdinaryOwnMetadataKeys(target, propertyKey);
            }
            exporter("getOwnMetadataKeys", getOwnMetadataKeys);
            /**
             * Deletes the metadata entry from the target object with the provided key.
             * @param metadataKey A key used to store and retrieve metadata.
             * @param target The target object on which the metadata is defined.
             * @param propertyKey (Optional) The property key for the target.
             * @returns `true` if the metadata entry was found and deleted; otherwise, false.
             * @example
             *
             *     class Example {
             *         // property declarations are not part of ES6, though they are valid in TypeScript:
             *         // static staticProperty;
             *         // property;
             *
             *         constructor(p) { }
             *         static staticMethod(p) { }
             *         method(p) { }
             *     }
             *
             *     // constructor
             *     result = Reflect.deleteMetadata("custom:annotation", Example);
             *
             *     // property (on constructor)
             *     result = Reflect.deleteMetadata("custom:annotation", Example, "staticProperty");
             *
             *     // property (on prototype)
             *     result = Reflect.deleteMetadata("custom:annotation", Example.prototype, "property");
             *
             *     // method (on constructor)
             *     result = Reflect.deleteMetadata("custom:annotation", Example, "staticMethod");
             *
             *     // method (on prototype)
             *     result = Reflect.deleteMetadata("custom:annotation", Example.prototype, "method");
             *
             */
            function deleteMetadata(metadataKey, target, propertyKey) {
                if (!IsObject(target))
                    { throw new TypeError(); }
                if (!IsUndefined(propertyKey))
                    { propertyKey = ToPropertyKey(propertyKey); }
                var metadataMap = GetOrCreateMetadataMap(target, propertyKey, /*Create*/ false);
                if (IsUndefined(metadataMap))
                    { return false; }
                if (!metadataMap.delete(metadataKey))
                    { return false; }
                if (metadataMap.size > 0)
                    { return true; }
                var targetMetadata = Metadata.get(target);
                targetMetadata.delete(propertyKey);
                if (targetMetadata.size > 0)
                    { return true; }
                Metadata.delete(target);
                return true;
            }
            exporter("deleteMetadata", deleteMetadata);
            function DecorateConstructor(decorators, target) {
                for (var i = decorators.length - 1; i >= 0; --i) {
                    var decorator = decorators[i];
                    var decorated = decorator(target);
                    if (!IsUndefined(decorated) && !IsNull(decorated)) {
                        if (!IsConstructor(decorated))
                            { throw new TypeError(); }
                        target = decorated;
                    }
                }
                return target;
            }
            function DecorateProperty(decorators, target, propertyKey, descriptor) {
                for (var i = decorators.length - 1; i >= 0; --i) {
                    var decorator = decorators[i];
                    var decorated = decorator(target, propertyKey, descriptor);
                    if (!IsUndefined(decorated) && !IsNull(decorated)) {
                        if (!IsObject(decorated))
                            { throw new TypeError(); }
                        descriptor = decorated;
                    }
                }
                return descriptor;
            }
            function GetOrCreateMetadataMap(O, P, Create) {
                var targetMetadata = Metadata.get(O);
                if (IsUndefined(targetMetadata)) {
                    if (!Create)
                        { return undefined; }
                    targetMetadata = new _Map();
                    Metadata.set(O, targetMetadata);
                }
                var metadataMap = targetMetadata.get(P);
                if (IsUndefined(metadataMap)) {
                    if (!Create)
                        { return undefined; }
                    metadataMap = new _Map();
                    targetMetadata.set(P, metadataMap);
                }
                return metadataMap;
            }
            // 3.1.1.1 OrdinaryHasMetadata(MetadataKey, O, P)
            // https://rbuckton.github.io/reflect-metadata/#ordinaryhasmetadata
            function OrdinaryHasMetadata(MetadataKey, O, P) {
                var hasOwn = OrdinaryHasOwnMetadata(MetadataKey, O, P);
                if (hasOwn)
                    { return true; }
                var parent = OrdinaryGetPrototypeOf(O);
                if (!IsNull(parent))
                    { return OrdinaryHasMetadata(MetadataKey, parent, P); }
                return false;
            }
            // 3.1.2.1 OrdinaryHasOwnMetadata(MetadataKey, O, P)
            // https://rbuckton.github.io/reflect-metadata/#ordinaryhasownmetadata
            function OrdinaryHasOwnMetadata(MetadataKey, O, P) {
                var metadataMap = GetOrCreateMetadataMap(O, P, /*Create*/ false);
                if (IsUndefined(metadataMap))
                    { return false; }
                return ToBoolean(metadataMap.has(MetadataKey));
            }
            // 3.1.3.1 OrdinaryGetMetadata(MetadataKey, O, P)
            // https://rbuckton.github.io/reflect-metadata/#ordinarygetmetadata
            function OrdinaryGetMetadata(MetadataKey, O, P) {
                var hasOwn = OrdinaryHasOwnMetadata(MetadataKey, O, P);
                if (hasOwn)
                    { return OrdinaryGetOwnMetadata(MetadataKey, O, P); }
                var parent = OrdinaryGetPrototypeOf(O);
                if (!IsNull(parent))
                    { return OrdinaryGetMetadata(MetadataKey, parent, P); }
                return undefined;
            }
            // 3.1.4.1 OrdinaryGetOwnMetadata(MetadataKey, O, P)
            // https://rbuckton.github.io/reflect-metadata/#ordinarygetownmetadata
            function OrdinaryGetOwnMetadata(MetadataKey, O, P) {
                var metadataMap = GetOrCreateMetadataMap(O, P, /*Create*/ false);
                if (IsUndefined(metadataMap))
                    { return undefined; }
                return metadataMap.get(MetadataKey);
            }
            // 3.1.5.1 OrdinaryDefineOwnMetadata(MetadataKey, MetadataValue, O, P)
            // https://rbuckton.github.io/reflect-metadata/#ordinarydefineownmetadata
            function OrdinaryDefineOwnMetadata(MetadataKey, MetadataValue, O, P) {
                var metadataMap = GetOrCreateMetadataMap(O, P, /*Create*/ true);
                metadataMap.set(MetadataKey, MetadataValue);
            }
            // 3.1.6.1 OrdinaryMetadataKeys(O, P)
            // https://rbuckton.github.io/reflect-metadata/#ordinarymetadatakeys
            function OrdinaryMetadataKeys(O, P) {
                var ownKeys = OrdinaryOwnMetadataKeys(O, P);
                var parent = OrdinaryGetPrototypeOf(O);
                if (parent === null)
                    { return ownKeys; }
                var parentKeys = OrdinaryMetadataKeys(parent, P);
                if (parentKeys.length <= 0)
                    { return ownKeys; }
                if (ownKeys.length <= 0)
                    { return parentKeys; }
                var set = new _Set();
                var keys = [];
                for (var _i = 0, ownKeys_1 = ownKeys; _i < ownKeys_1.length; _i++) {
                    var key = ownKeys_1[_i];
                    var hasKey = set.has(key);
                    if (!hasKey) {
                        set.add(key);
                        keys.push(key);
                    }
                }
                for (var _a = 0, parentKeys_1 = parentKeys; _a < parentKeys_1.length; _a++) {
                    var key = parentKeys_1[_a];
                    var hasKey = set.has(key);
                    if (!hasKey) {
                        set.add(key);
                        keys.push(key);
                    }
                }
                return keys;
            }
            // 3.1.7.1 OrdinaryOwnMetadataKeys(O, P)
            // https://rbuckton.github.io/reflect-metadata/#ordinaryownmetadatakeys
            function OrdinaryOwnMetadataKeys(O, P) {
                var keys = [];
                var metadataMap = GetOrCreateMetadataMap(O, P, /*Create*/ false);
                if (IsUndefined(metadataMap))
                    { return keys; }
                var keysObj = metadataMap.keys();
                var iterator = GetIterator(keysObj);
                var k = 0;
                while (true) {
                    var next = IteratorStep(iterator);
                    if (!next) {
                        keys.length = k;
                        return keys;
                    }
                    var nextValue = IteratorValue(next);
                    try {
                        keys[k] = nextValue;
                    }
                    catch (e) {
                        try {
                            IteratorClose(iterator);
                        }
                        finally {
                            throw e;
                        }
                    }
                    k++;
                }
            }
            // 6 ECMAScript Data Typ0es and Values
            // https://tc39.github.io/ecma262/#sec-ecmascript-data-types-and-values
            function Type(x) {
                if (x === null)
                    { return 1 /* Null */; }
                switch (typeof x) {
                    case "undefined": return 0 /* Undefined */;
                    case "boolean": return 2 /* Boolean */;
                    case "string": return 3 /* String */;
                    case "symbol": return 4 /* Symbol */;
                    case "number": return 5 /* Number */;
                    case "object": return x === null ? 1 /* Null */ : 6 /* Object */;
                    default: return 6 /* Object */;
                }
            }
            // 6.1.1 The Undefined Type
            // https://tc39.github.io/ecma262/#sec-ecmascript-language-types-undefined-type
            function IsUndefined(x) {
                return x === undefined;
            }
            // 6.1.2 The Null Type
            // https://tc39.github.io/ecma262/#sec-ecmascript-language-types-null-type
            function IsNull(x) {
                return x === null;
            }
            // 6.1.5 The Symbol Type
            // https://tc39.github.io/ecma262/#sec-ecmascript-language-types-symbol-type
            function IsSymbol(x) {
                return typeof x === "symbol";
            }
            // 6.1.7 The Object Type
            // https://tc39.github.io/ecma262/#sec-object-type
            function IsObject(x) {
                return typeof x === "object" ? x !== null : typeof x === "function";
            }
            // 7.1 Type Conversion
            // https://tc39.github.io/ecma262/#sec-type-conversion
            // 7.1.1 ToPrimitive(input [, PreferredType])
            // https://tc39.github.io/ecma262/#sec-toprimitive
            function ToPrimitive(input, PreferredType) {
                switch (Type(input)) {
                    case 0 /* Undefined */: return input;
                    case 1 /* Null */: return input;
                    case 2 /* Boolean */: return input;
                    case 3 /* String */: return input;
                    case 4 /* Symbol */: return input;
                    case 5 /* Number */: return input;
                }
                var hint = PreferredType === 3 /* String */ ? "string" : PreferredType === 5 /* Number */ ? "number" : "default";
                var exoticToPrim = GetMethod(input, toPrimitiveSymbol);
                if (exoticToPrim !== undefined) {
                    var result = exoticToPrim.call(input, hint);
                    if (IsObject(result))
                        { throw new TypeError(); }
                    return result;
                }
                return OrdinaryToPrimitive(input, hint === "default" ? "number" : hint);
            }
            // 7.1.1.1 OrdinaryToPrimitive(O, hint)
            // https://tc39.github.io/ecma262/#sec-ordinarytoprimitive
            function OrdinaryToPrimitive(O, hint) {
                if (hint === "string") {
                    var toString_1 = O.toString;
                    if (IsCallable(toString_1)) {
                        var result = toString_1.call(O);
                        if (!IsObject(result))
                            { return result; }
                    }
                    var valueOf = O.valueOf;
                    if (IsCallable(valueOf)) {
                        var result = valueOf.call(O);
                        if (!IsObject(result))
                            { return result; }
                    }
                }
                else {
                    var valueOf = O.valueOf;
                    if (IsCallable(valueOf)) {
                        var result = valueOf.call(O);
                        if (!IsObject(result))
                            { return result; }
                    }
                    var toString_2 = O.toString;
                    if (IsCallable(toString_2)) {
                        var result = toString_2.call(O);
                        if (!IsObject(result))
                            { return result; }
                    }
                }
                throw new TypeError();
            }
            // 7.1.2 ToBoolean(argument)
            // https://tc39.github.io/ecma262/2016/#sec-toboolean
            function ToBoolean(argument) {
                return !!argument;
            }
            // 7.1.12 ToString(argument)
            // https://tc39.github.io/ecma262/#sec-tostring
            function ToString(argument) {
                return "" + argument;
            }
            // 7.1.14 ToPropertyKey(argument)
            // https://tc39.github.io/ecma262/#sec-topropertykey
            function ToPropertyKey(argument) {
                var key = ToPrimitive(argument, 3 /* String */);
                if (IsSymbol(key))
                    { return key; }
                return ToString(key);
            }
            // 7.2 Testing and Comparison Operations
            // https://tc39.github.io/ecma262/#sec-testing-and-comparison-operations
            // 7.2.2 IsArray(argument)
            // https://tc39.github.io/ecma262/#sec-isarray
            function IsArray(argument) {
                return Array.isArray
                    ? Array.isArray(argument)
                    : argument instanceof Object
                        ? argument instanceof Array
                        : Object.prototype.toString.call(argument) === "[object Array]";
            }
            // 7.2.3 IsCallable(argument)
            // https://tc39.github.io/ecma262/#sec-iscallable
            function IsCallable(argument) {
                // NOTE: This is an approximation as we cannot check for [[Call]] internal method.
                return typeof argument === "function";
            }
            // 7.2.4 IsConstructor(argument)
            // https://tc39.github.io/ecma262/#sec-isconstructor
            function IsConstructor(argument) {
                // NOTE: This is an approximation as we cannot check for [[Construct]] internal method.
                return typeof argument === "function";
            }
            // 7.2.7 IsPropertyKey(argument)
            // https://tc39.github.io/ecma262/#sec-ispropertykey
            function IsPropertyKey(argument) {
                switch (Type(argument)) {
                    case 3 /* String */: return true;
                    case 4 /* Symbol */: return true;
                    default: return false;
                }
            }
            // 7.3 Operations on Objects
            // https://tc39.github.io/ecma262/#sec-operations-on-objects
            // 7.3.9 GetMethod(V, P)
            // https://tc39.github.io/ecma262/#sec-getmethod
            function GetMethod(V, P) {
                var func = V[P];
                if (func === undefined || func === null)
                    { return undefined; }
                if (!IsCallable(func))
                    { throw new TypeError(); }
                return func;
            }
            // 7.4 Operations on Iterator Objects
            // https://tc39.github.io/ecma262/#sec-operations-on-iterator-objects
            function GetIterator(obj) {
                var method = GetMethod(obj, iteratorSymbol);
                if (!IsCallable(method))
                    { throw new TypeError(); } // from Call
                var iterator = method.call(obj);
                if (!IsObject(iterator))
                    { throw new TypeError(); }
                return iterator;
            }
            // 7.4.4 IteratorValue(iterResult)
            // https://tc39.github.io/ecma262/2016/#sec-iteratorvalue
            function IteratorValue(iterResult) {
                return iterResult.value;
            }
            // 7.4.5 IteratorStep(iterator)
            // https://tc39.github.io/ecma262/#sec-iteratorstep
            function IteratorStep(iterator) {
                var result = iterator.next();
                return result.done ? false : result;
            }
            // 7.4.6 IteratorClose(iterator, completion)
            // https://tc39.github.io/ecma262/#sec-iteratorclose
            function IteratorClose(iterator) {
                var f = iterator["return"];
                if (f)
                    { f.call(iterator); }
            }
            // 9.1 Ordinary Object Internal Methods and Internal Slots
            // https://tc39.github.io/ecma262/#sec-ordinary-object-internal-methods-and-internal-slots
            // 9.1.1.1 OrdinaryGetPrototypeOf(O)
            // https://tc39.github.io/ecma262/#sec-ordinarygetprototypeof
            function OrdinaryGetPrototypeOf(O) {
                var proto = Object.getPrototypeOf(O);
                if (typeof O !== "function" || O === functionPrototype)
                    { return proto; }
                // TypeScript doesn't set __proto__ in ES5, as it's non-standard.
                // Try to determine the superclass constructor. Compatible implementations
                // must either set __proto__ on a subclass constructor to the superclass constructor,
                // or ensure each class has a valid `constructor` property on its prototype that
                // points back to the constructor.
                // If this is not the same as Function.[[Prototype]], then this is definately inherited.
                // This is the case when in ES6 or when using __proto__ in a compatible browser.
                if (proto !== functionPrototype)
                    { return proto; }
                // If the super prototype is Object.prototype, null, or undefined, then we cannot determine the heritage.
                var prototype = O.prototype;
                var prototypeProto = prototype && Object.getPrototypeOf(prototype);
                if (prototypeProto == null || prototypeProto === Object.prototype)
                    { return proto; }
                // If the constructor was not a function, then we cannot determine the heritage.
                var constructor = prototypeProto.constructor;
                if (typeof constructor !== "function")
                    { return proto; }
                // If we have some kind of self-reference, then we cannot determine the heritage.
                if (constructor === O)
                    { return proto; }
                // we have a pretty good guess at the heritage.
                return constructor;
            }
            // naive Map shim
            function CreateMapPolyfill() {
                var cacheSentinel = {};
                var arraySentinel = [];
                var MapIterator = /** @class */ (function () {
                    function MapIterator(keys, values, selector) {
                        this._index = 0;
                        this._keys = keys;
                        this._values = values;
                        this._selector = selector;
                    }
                    MapIterator.prototype["@@iterator"] = function () { return this; };
                    MapIterator.prototype[iteratorSymbol] = function () { return this; };
                    MapIterator.prototype.next = function () {
                        var index = this._index;
                        if (index >= 0 && index < this._keys.length) {
                            var result = this._selector(this._keys[index], this._values[index]);
                            if (index + 1 >= this._keys.length) {
                                this._index = -1;
                                this._keys = arraySentinel;
                                this._values = arraySentinel;
                            }
                            else {
                                this._index++;
                            }
                            return { value: result, done: false };
                        }
                        return { value: undefined, done: true };
                    };
                    MapIterator.prototype.throw = function (error) {
                        if (this._index >= 0) {
                            this._index = -1;
                            this._keys = arraySentinel;
                            this._values = arraySentinel;
                        }
                        throw error;
                    };
                    MapIterator.prototype.return = function (value) {
                        if (this._index >= 0) {
                            this._index = -1;
                            this._keys = arraySentinel;
                            this._values = arraySentinel;
                        }
                        return { value: value, done: true };
                    };
                    return MapIterator;
                }());
                return /** @class */ (function () {
                    function Map() {
                        this._keys = [];
                        this._values = [];
                        this._cacheKey = cacheSentinel;
                        this._cacheIndex = -2;
                    }
                    Object.defineProperty(Map.prototype, "size", {
                        get: function () { return this._keys.length; },
                        enumerable: true,
                        configurable: true
                    });
                    Map.prototype.has = function (key) { return this._find(key, /*insert*/ false) >= 0; };
                    Map.prototype.get = function (key) {
                        var index = this._find(key, /*insert*/ false);
                        return index >= 0 ? this._values[index] : undefined;
                    };
                    Map.prototype.set = function (key, value) {
                        var index = this._find(key, /*insert*/ true);
                        this._values[index] = value;
                        return this;
                    };
                    Map.prototype.delete = function (key) {
                        var index = this._find(key, /*insert*/ false);
                        if (index >= 0) {
                            var size = this._keys.length;
                            for (var i = index + 1; i < size; i++) {
                                this._keys[i - 1] = this._keys[i];
                                this._values[i - 1] = this._values[i];
                            }
                            this._keys.length--;
                            this._values.length--;
                            if (key === this._cacheKey) {
                                this._cacheKey = cacheSentinel;
                                this._cacheIndex = -2;
                            }
                            return true;
                        }
                        return false;
                    };
                    Map.prototype.clear = function () {
                        this._keys.length = 0;
                        this._values.length = 0;
                        this._cacheKey = cacheSentinel;
                        this._cacheIndex = -2;
                    };
                    Map.prototype.keys = function () { return new MapIterator(this._keys, this._values, getKey); };
                    Map.prototype.values = function () { return new MapIterator(this._keys, this._values, getValue); };
                    Map.prototype.entries = function () { return new MapIterator(this._keys, this._values, getEntry); };
                    Map.prototype["@@iterator"] = function () { return this.entries(); };
                    Map.prototype[iteratorSymbol] = function () { return this.entries(); };
                    Map.prototype._find = function (key, insert) {
                        if (this._cacheKey !== key) {
                            this._cacheIndex = this._keys.indexOf(this._cacheKey = key);
                        }
                        if (this._cacheIndex < 0 && insert) {
                            this._cacheIndex = this._keys.length;
                            this._keys.push(key);
                            this._values.push(undefined);
                        }
                        return this._cacheIndex;
                    };
                    return Map;
                }());
                function getKey(key, _) {
                    return key;
                }
                function getValue(_, value) {
                    return value;
                }
                function getEntry(key, value) {
                    return [key, value];
                }
            }
            // naive Set shim
            function CreateSetPolyfill() {
                return /** @class */ (function () {
                    function Set() {
                        this._map = new _Map();
                    }
                    Object.defineProperty(Set.prototype, "size", {
                        get: function () { return this._map.size; },
                        enumerable: true,
                        configurable: true
                    });
                    Set.prototype.has = function (value) { return this._map.has(value); };
                    Set.prototype.add = function (value) { return this._map.set(value, value), this; };
                    Set.prototype.delete = function (value) { return this._map.delete(value); };
                    Set.prototype.clear = function () { this._map.clear(); };
                    Set.prototype.keys = function () { return this._map.keys(); };
                    Set.prototype.values = function () { return this._map.values(); };
                    Set.prototype.entries = function () { return this._map.entries(); };
                    Set.prototype["@@iterator"] = function () { return this.keys(); };
                    Set.prototype[iteratorSymbol] = function () { return this.keys(); };
                    return Set;
                }());
            }
            // naive WeakMap shim
            function CreateWeakMapPolyfill() {
                var UUID_SIZE = 16;
                var keys = HashMap.create();
                var rootKey = CreateUniqueKey();
                return /** @class */ (function () {
                    function WeakMap() {
                        this._key = CreateUniqueKey();
                    }
                    WeakMap.prototype.has = function (target) {
                        var table = GetOrCreateWeakMapTable(target, /*create*/ false);
                        return table !== undefined ? HashMap.has(table, this._key) : false;
                    };
                    WeakMap.prototype.get = function (target) {
                        var table = GetOrCreateWeakMapTable(target, /*create*/ false);
                        return table !== undefined ? HashMap.get(table, this._key) : undefined;
                    };
                    WeakMap.prototype.set = function (target, value) {
                        var table = GetOrCreateWeakMapTable(target, /*create*/ true);
                        table[this._key] = value;
                        return this;
                    };
                    WeakMap.prototype.delete = function (target) {
                        var table = GetOrCreateWeakMapTable(target, /*create*/ false);
                        return table !== undefined ? delete table[this._key] : false;
                    };
                    WeakMap.prototype.clear = function () {
                        // NOTE: not a real clear, just makes the previous data unreachable
                        this._key = CreateUniqueKey();
                    };
                    return WeakMap;
                }());
                function CreateUniqueKey() {
                    var key;
                    do
                        { key = "@@WeakMap@@" + CreateUUID(); }
                    while (HashMap.has(keys, key));
                    keys[key] = true;
                    return key;
                }
                function GetOrCreateWeakMapTable(target, create) {
                    if (!hasOwn.call(target, rootKey)) {
                        if (!create)
                            { return undefined; }
                        Object.defineProperty(target, rootKey, { value: HashMap.create() });
                    }
                    return target[rootKey];
                }
                function FillRandomBytes(buffer, size) {
                    for (var i = 0; i < size; ++i)
                        { buffer[i] = Math.random() * 0xff | 0; }
                    return buffer;
                }
                function GenRandomBytes(size) {
                    if (typeof Uint8Array === "function") {
                        if (typeof crypto !== "undefined")
                            { return crypto.getRandomValues(new Uint8Array(size)); }
                        if (typeof msCrypto !== "undefined")
                            { return msCrypto.getRandomValues(new Uint8Array(size)); }
                        return FillRandomBytes(new Uint8Array(size), size);
                    }
                    return FillRandomBytes(new Array(size), size);
                }
                function CreateUUID() {
                    var data = GenRandomBytes(UUID_SIZE);
                    // mark as random - RFC 4122 § 4.4
                    data[6] = data[6] & 0x4f | 0x40;
                    data[8] = data[8] & 0xbf | 0x80;
                    var result = "";
                    for (var offset = 0; offset < UUID_SIZE; ++offset) {
                        var byte = data[offset];
                        if (offset === 4 || offset === 6 || offset === 8)
                            { result += "-"; }
                        if (byte < 16)
                            { result += "0"; }
                        result += byte.toString(16).toLowerCase();
                    }
                    return result;
                }
            }
            // uses a heuristic used by v8 and chakra to force an object into dictionary mode.
            function MakeDictionary(obj) {
                obj.__ = undefined;
                delete obj.__;
                return obj;
            }
        });
    })(Reflect$1 || (Reflect$1 = {}));

    /*
     * Copyright [2019] [Doric.Pub]
     *
     * Licensed under the Apache License, Version 2.0 (the "License");
     * you may not use this file except in compliance with the License.
     * You may obtain a copy of the License at
     *
     * http://www.apache.org/licenses/LICENSE-2.0
     *
     * Unless required by applicable law or agreed to in writing, software
     * distributed under the License is distributed on an "AS IS" BASIS,
     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     * See the License for the specific language governing permissions and
     * limitations under the License.
     */
    function hookBeforeNativeCall(context) {
        if (context) {
            Reflect.defineMetadata('__doric_context__', context, global$1);
            context.hookBeforeNativeCall();
        }
    }
    function hookAfterNativeCall(context) {
        if (context) {
            context.hookAfterNativeCall();
        }
    }
    function getContext() {
        return Reflect.getMetadata('__doric_context__', global$1);
    }
    function setContext(context) {
        Reflect.defineMetadata('__doric_context__', context, global$1);
    }
    function jsCallResolve(contextId, callbackId, args) {
        var arguments$1 = arguments;

        var context = gContexts.get(contextId);
        if (context === undefined) {
            loge("Cannot find context for context id:" + contextId);
            return;
        }
        var callback = context.callbacks.get(callbackId);
        if (callback === undefined) {
            loge("Cannot find call for context id:" + contextId + ",callback id:" + callbackId);
            return;
        }
        var argumentsList = [];
        for (var i = 2; i < arguments.length; i++) {
            argumentsList.push(arguments$1[i]);
        }
        hookBeforeNativeCall(context);
        Reflect.apply(callback.resolve, context, argumentsList);
        hookAfterNativeCall(context);
    }
    function jsCallReject(contextId, callbackId, args) {
        var arguments$1 = arguments;

        var context = gContexts.get(contextId);
        if (context === undefined) {
            loge("Cannot find context for context id:" + contextId);
            return;
        }
        var callback = context.callbacks.get(callbackId);
        if (callback === undefined) {
            loge("Cannot find call for context id:" + contextId + ",callback id:" + callbackId);
            return;
        }
        var argumentsList = [];
        for (var i = 2; i < arguments.length; i++) {
            argumentsList.push(arguments$1[i]);
        }
        hookBeforeNativeCall(context);
        Reflect.apply(callback.reject, context.entity, argumentsList);
        hookAfterNativeCall(context);
    }
    var Context = /** @class */ (function () {
        function Context(id) {
            this.callbacks = new Map;
            this.classes = new Map;
            this.id = id;
        }
        Context.prototype.hookBeforeNativeCall = function () {
            if (this.entity && Reflect.has(this.entity, 'hookBeforeNativeCall')) {
                Reflect.apply(Reflect.get(this.entity, 'hookBeforeNativeCall'), this.entity, []);
            }
        };
        Context.prototype.hookAfterNativeCall = function () {
            if (this.entity && Reflect.has(this.entity, 'hookAfterNativeCall')) {
                Reflect.apply(Reflect.get(this.entity, 'hookAfterNativeCall'), this.entity, []);
            }
        };
        Context.prototype.callNative = function (namespace, method, args) {
            var _this = this;
            var callbackId = uniqueId('callback');
            nativeBridge(this.id, namespace, method, callbackId, args);
            return new Promise(function (resolve, reject) {
                _this.callbacks.set(callbackId, {
                    resolve: resolve,
                    reject: reject,
                });
            });
        };
        Context.prototype.register = function (instance) {
            this.entity = instance;
        };
        Context.prototype.function2Id = function (func) {
            var functionId = uniqueId('function');
            this.callbacks.set(functionId, {
                resolve: func,
                reject: function () { loge("This should not be called"); }
            });
            return functionId;
        };
        Context.prototype.removeFuncById = function (funcId) {
            this.callbacks.delete(funcId);
        };
        return Context;
    }());
    var gContexts = new Map;
    var gModules = new Map;
    function jsObtainContext(id) {
        if (gContexts.has(id)) {
            var context_1 = gContexts.get(id);
            setContext(context_1);
            return context_1;
        }
        else {
            var context_2 = new Context(id);
            gContexts.set(id, context_2);
            setContext(context_2);
            return context_2;
        }
    }
    function jsReleaseContext(id) {
        var context = gContexts.get(id);
        var args = arguments;
        if (context) {
            timerInfos.forEach(function (v, k) {
                if (v.context === context) {
                    if (global$1.nativeClearTimer === undefined) {
                        return Reflect.apply(_clearTimeout, undefined, args);
                    }
                    timerInfos.delete(k);
                    nativeClearTimer(k);
                }
            });
        }
        gContexts.delete(id);
    }
    function __require__(name) {
        if (gModules.has(name)) {
            return gModules.get(name);
        }
        else {
            if (nativeRequire(name)) {
                return gModules.get(name);
            }
            else {
                return undefined;
            }
        }
    }
    function jsRegisterModule(name, moduleObject) {
        gModules.set(name, moduleObject);
    }
    function jsCallEntityMethod(contextId, methodName, args) {
        var arguments$1 = arguments;

        var context = gContexts.get(contextId);
        if (context === undefined) {
            loge("Cannot find context for context id:" + contextId);
            return;
        }
        if (context.entity === undefined) {
            loge("Cannot find holder for context id:" + contextId);
            return;
        }
        if (Reflect.has(context.entity, methodName)) {
            var argumentsList = [];
            for (var i = 2; i < arguments.length; i++) {
                argumentsList.push(arguments$1[i]);
            }
            hookBeforeNativeCall(context);
            var ret = Reflect.apply(Reflect.get(context.entity, methodName), context.entity, argumentsList);
            hookAfterNativeCall(context);
            return ret;
        }
        else {
            loge("Cannot find method for context id:" + contextId + ",method name is:" + methodName);
        }
    }
    function jsObtainEntry(contextId) {
        var context = jsObtainContext(contextId);
        var exportFunc = function (constructor) {
            context === null || context === void 0 ? void 0 : context.classes.set(constructor.name, constructor);
            var ret = new constructor;
            Reflect.set(ret, 'context', context);
            context === null || context === void 0 ? void 0 : context.register(ret);
            return constructor;
        };
        return function () {
            if (arguments.length === 1) {
                var args = arguments[0];
                if (args instanceof Array) {
                    args.forEach(function (clz) {
                        var _a;
                        (_a = context === null || context === void 0 ? void 0 : context.classes) === null || _a === void 0 ? void 0 : _a.set(clz.name, clz);
                    });
                    return exportFunc;
                }
                else {
                    return exportFunc(args);
                }
            }
            else if (arguments.length === 2) {
                var srcContextId = arguments[0];
                var className = arguments[1];
                var srcContext = gContexts.get(srcContextId);
                if (srcContext) {
                    var clz = srcContext.classes.get(className);
                    if (clz) {
                        return exportFunc(clz);
                    }
                    else {
                        throw new Error("Cannot find class:" + className + " in context:" + srcContextId);
                    }
                }
                else {
                    throw new Error("Cannot find context for " + srcContextId);
                }
            }
            else {
                throw new Error("Entry arguments error:" + arguments);
            }
        };
    }
    var global$1 = Function('return this')();
    var __timerId__ = 0;
    var timerInfos = new Map;
    var _setTimeout = global$1.setTimeout;
    var _setInterval = global$1.setInterval;
    var _clearTimeout = global$1.clearTimeout;
    var _clearInterval = global$1.clearInterval;
    var doricSetTimeout = function (handler, timeout) {
        var arguments$1 = arguments;

        var args = [];
        for (var _i = 2; _i < arguments.length; _i++) {
            args[_i - 2] = arguments$1[_i];
        }
        if (global$1.nativeSetTimer === undefined) {
            return Reflect.apply(_setTimeout, undefined, arguments);
        }
        var id = __timerId__++;
        timerInfos.set(id, {
            callback: function () {
                Reflect.apply(handler, undefined, args);
                timerInfos.delete(id);
            },
            context: getContext(),
        });
        nativeSetTimer(id, timeout || 0, false);
        return id;
    };
    var doricSetInterval = function (handler, timeout) {
        var arguments$1 = arguments;

        var args = [];
        for (var _i = 2; _i < arguments.length; _i++) {
            args[_i - 2] = arguments$1[_i];
        }
        if (global$1.nativeSetTimer === undefined) {
            return Reflect.apply(_setInterval, undefined, arguments);
        }
        var id = __timerId__++;
        timerInfos.set(id, {
            callback: function () {
                Reflect.apply(handler, undefined, args);
            },
            context: getContext(),
        });
        nativeSetTimer(id, timeout || 0, true);
        return id;
    };
    var doricClearTimeout = function (timerId) {
        if (global$1.nativeClearTimer === undefined) {
            return Reflect.apply(_clearTimeout, undefined, arguments);
        }
        timerInfos.delete(timerId);
        nativeClearTimer(timerId);
    };
    var doricClearInterval = function (timerId) {
        if (global$1.nativeClearTimer === undefined) {
            return Reflect.apply(_clearInterval, undefined, arguments);
        }
        timerInfos.delete(timerId);
        nativeClearTimer(timerId);
    };
    if (!global$1.setTimeout) {
        global$1.setTimeout = doricSetTimeout;
    }
    else {
        global$1.doricSetTimeout = doricSetTimeout;
    }
    if (!global$1.setInterval) {
        global$1.setInterval = doricSetInterval;
    }
    else {
        global$1.doricSetInterval = doricSetInterval;
    }
    if (!global$1.clearTimeout) {
        global$1.clearTimeout = doricClearTimeout;
    }
    else {
        global$1.doricClearTimeout = doricClearTimeout;
    }
    if (!global$1.clearInterval) {
        global$1.clearInterval = doricClearInterval;
    }
    else {
        global$1.doricClearInterval = doricClearInterval;
    }
    function jsCallbackTimer(timerId) {
        var timerInfo = timerInfos.get(timerId);
        if (timerInfo === undefined) {
            return;
        }
        if (timerInfo.callback instanceof Function) {
            hookBeforeNativeCall(timerInfo.context);
            Reflect.apply(timerInfo.callback, timerInfo.context, []);
            hookAfterNativeCall(timerInfo.context);
        }
    }

    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$1 = {}.toString;

    var classofRaw = function (it) {
      return toString$1.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$1 = global_1.WeakMap;

    var nativeWeakMap = typeof WeakMap$1 === 'function' && /native code/.test(inspectSource(WeakMap$1));

    var isPure = false;

    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$2 = 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$2();
      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 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';

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

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

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

    // `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 = 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] = 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] = O;
      } else { result = NullProtoObject(); }
      return Properties === undefined ? result : objectDefineProperties(result, Properties);
    };

    var nativeGetOwnPropertyNames = objectGetOwnPropertyNames.f;

    var toString$2 = {}.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$2.call(it) == '[object Window]'
        ? getWindowNames(it)
        : nativeGetOwnPropertyNames(toIndexedObject(it));
    };

    var objectGetOwnPropertyNamesExternal = {
    	f: f$5
    };

    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 f$6 = wellKnownSymbol;

    var wellKnownSymbolWrapped = {
    	f: f$6
    };

    var defineProperty = objectDefineProperty.f;

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

    var defineProperty$1 = objectDefineProperty.f;



    var TO_STRING_TAG = wellKnownSymbol('toStringTag');

    var setToStringTag = function (it, TAG, STATIC) {
      if (it && !has(it = STATIC ? it : it.prototype, TO_STRING_TAG)) {
        defineProperty$1(it, TO_STRING_TAG, { configurable: true, value: TAG });
      }
    };

    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);
      };
    };

    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 $forEach = arrayIteration.forEach;

    var HIDDEN = sharedKey('hidden');
    var SYMBOL = 'Symbol';
    var PROTOTYPE$1 = 'prototype';
    var TO_PRIMITIVE = wellKnownSymbol('toPrimitive');
    var setInternalState = internalState.set;
    var getInternalState = internalState.getterFor(SYMBOL);
    var ObjectPrototype = Object[PROTOTYPE$1];
    var $Symbol = global_1.Symbol;
    var $stringify = getBuiltIn('JSON', 'stringify');
    var nativeGetOwnPropertyDescriptor$1 = objectGetOwnPropertyDescriptor.f;
    var nativeDefineProperty$1 = objectDefineProperty.f;
    var nativeGetOwnPropertyNames$1 = 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$1(ObjectPrototype, P);
      if (ObjectPrototypeDescriptor) { delete ObjectPrototype[P]; }
      nativeDefineProperty$1(O, P, Attributes);
      if (ObjectPrototypeDescriptor && O !== ObjectPrototype) {
        nativeDefineProperty$1(ObjectPrototype, P, ObjectPrototypeDescriptor);
      }
    } : nativeDefineProperty$1;

    var wrap = function (tag, description) {
      var symbol = AllSymbols[tag] = objectCreate($Symbol[PROTOTYPE$1]);
      setInternalState(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) { $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(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 && 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 && has(AllSymbols, key) && !has(ObjectPrototypeSymbols, key)) { return; }
      var descriptor = nativeGetOwnPropertyDescriptor$1(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$1(toIndexedObject(O));
      var result = [];
      $forEach(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;
      var names = nativeGetOwnPropertyNames$1(IS_OBJECT_PROTOTYPE ? ObjectPrototypeSymbols : toIndexedObject(O));
      var result = [];
      $forEach(names, function (key) {
        if (has(AllSymbols, key) && (!IS_OBJECT_PROTOTYPE || has(ObjectPrototype, 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) { 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, 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, 'propertyIsEnumerable', $propertyIsEnumerable, { unsafe: true });
        }
      }
    }

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

    $forEach(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 arguments$1 = arguments;

          var args = [it];
          var index = 1;
          var $replacer;
          while (arguments.length > index) { args.push(arguments$1[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;

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

    var defineProperty$2 = 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$2(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.hasInstance` well-known symbol
    // https://tc39.github.io/ecma262/#sec-symbol.hasinstance
    defineWellKnownSymbol('hasInstance');

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

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

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

    // `Symbol.matchAll` well-known symbol
    defineWellKnownSymbol('matchAll');

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

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

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

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

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

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

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

    var nativeAssign = Object.assign;
    var defineProperty$3 = 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$3({}, 'a', {
        enumerable: true,
        get: function () {
          defineProperty$3(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) {
      var arguments$1 = arguments;
     // 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$1[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
    });

    // `Object.create` method
    // https://tc39.github.io/ecma262/#sec-object.create
    _export({ target: 'Object', stat: true, sham: !descriptors }, {
      create: objectCreate
    });

    // `Object.defineProperty` method
    // https://tc39.github.io/ecma262/#sec-object.defineproperty
    _export({ target: 'Object', stat: true, forced: !descriptors, sham: !descriptors }, {
      defineProperty: objectDefineProperty.f
    });

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

    var propertyIsEnumerable = objectPropertyIsEnumerable.f;

    // `Object.{ entries, values }` methods implementation
    var createMethod$2 = function (TO_ENTRIES) {
      return function (it) {
        var O = toIndexedObject(it);
        var keys = objectKeys(O);
        var length = keys.length;
        var i = 0;
        var result = [];
        var key;
        while (length > i) {
          key = keys[i++];
          if (!descriptors || propertyIsEnumerable.call(O, key)) {
            result.push(TO_ENTRIES ? [key, O[key]] : O[key]);
          }
        }
        return result;
      };
    };

    var objectToArray = {
      // `Object.entries` method
      // https://tc39.github.io/ecma262/#sec-object.entries
      entries: createMethod$2(true),
      // `Object.values` method
      // https://tc39.github.io/ecma262/#sec-object.values
      values: createMethod$2(false)
    };

    var $entries = objectToArray.entries;

    // `Object.entries` method
    // https://tc39.github.io/ecma262/#sec-object.entries
    _export({ target: 'Object', stat: true }, {
      entries: function entries(O) {
        return $entries(O);
      }
    });

    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 = fails(function () { nativeFreeze(1); });

    // `Object.freeze` method
    // https://tc39.github.io/ecma262/#sec-object.freeze
    _export({ target: 'Object', stat: true, forced: FAILS_ON_PRIMITIVES, sham: !freezing }, {
      freeze: function freeze(it) {
        return nativeFreeze && isObject(it) ? nativeFreeze(onFreeze(it)) : it;
      }
    });

    var iterators = {};

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

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

    var TO_STRING_TAG$1 = wellKnownSymbol('toStringTag');
    var test = {};

    test[TO_STRING_TAG$1] = 'z';

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

    var TO_STRING_TAG$2 = 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$2)) == 'string' ? tag
        // builtinTag case
        : CORRECT_ARGUMENTS ? classofRaw(O)
        // ES3 arguments fallback
        : (result = classofRaw(O)) == 'Object' && typeof O.callee == 'function' ? 'Arguments' : result;
    };

    var ITERATOR$1 = wellKnownSymbol('iterator');

    var getIteratorMethod = function (it) {
      if (it != undefined) { return it[ITERATOR$1]
        || it['@@iterator']
        || iterators[classof(it)]; }
    };

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

    // `Object.fromEntries` method
    // https://github.com/tc39/proposal-object-from-entries
    _export({ target: 'Object', stat: true }, {
      fromEntries: function fromEntries(iterable) {
        var obj = {};
        iterate_1(iterable, function (k, v) {
          createProperty(obj, k, v);
        }, undefined, true);
        return obj;
      }
    });

    var nativeGetOwnPropertyDescriptor$2 = objectGetOwnPropertyDescriptor.f;


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

    // `Object.getOwnPropertyDescriptor` method
    // https://tc39.github.io/ecma262/#sec-object.getownpropertydescriptor
    _export({ target: 'Object', stat: true, forced: FORCED, sham: !descriptors }, {
      getOwnPropertyDescriptor: function getOwnPropertyDescriptor(it, key) {
        return nativeGetOwnPropertyDescriptor$2(toIndexedObject(it), key);
      }
    });

    // `Object.getOwnPropertyDescriptors` method
    // https://tc39.github.io/ecma262/#sec-object.getownpropertydescriptors
    _export({ target: 'Object', stat: true, sham: !descriptors }, {
      getOwnPropertyDescriptors: function getOwnPropertyDescriptors(object) {
        var O = toIndexedObject(object);
        var getOwnPropertyDescriptor = objectGetOwnPropertyDescriptor.f;
        var keys = ownKeys(O);
        var result = {};
        var index = 0;
        var key, descriptor;
        while (keys.length > index) {
          descriptor = getOwnPropertyDescriptor(O, key = keys[index++]);
          if (descriptor !== undefined) { createProperty(result, key, descriptor); }
        }
        return result;
      }
    });

    var nativeGetOwnPropertyNames$2 = objectGetOwnPropertyNamesExternal.f;

    var FAILS_ON_PRIMITIVES$2 = 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$2 }, {
      getOwnPropertyNames: nativeGetOwnPropertyNames$2
    });

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

    var IE_PROTO$1 = sharedKey('IE_PROTO');
    var ObjectPrototype$1 = 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$1)) { return O[IE_PROTO$1]; }
      if (typeof O.constructor == 'function' && O instanceof O.constructor) {
        return O.constructor.prototype;
      } return O instanceof Object ? ObjectPrototype$1 : null;
    };

    var FAILS_ON_PRIMITIVES$3 = fails(function () { objectGetPrototypeOf(1); });

    // `Object.getPrototypeOf` method
    // https://tc39.github.io/ecma262/#sec-object.getprototypeof
    _export({ target: 'Object', stat: true, forced: FAILS_ON_PRIMITIVES$3, sham: !correctPrototypeGetter }, {
      getPrototypeOf: function getPrototypeOf(it) {
        return objectGetPrototypeOf(toObject(it));
      }
    });

    // `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;
    };

    // `Object.is` method
    // https://tc39.github.io/ecma262/#sec-object.is
    _export({ target: 'Object', stat: true }, {
      is: sameValue
    });

    var nativeIsExtensible = Object.isExtensible;
    var FAILS_ON_PRIMITIVES$4 = fails(function () { nativeIsExtensible(1); });

    // `Object.isExtensible` method
    // https://tc39.github.io/ecma262/#sec-object.isextensible
    _export({ target: 'Object', stat: true, forced: FAILS_ON_PRIMITIVES$4 }, {
      isExtensible: function isExtensible(it) {
        return isObject(it) ? nativeIsExtensible ? nativeIsExtensible(it) : true : false;
      }
    });

    var nativeIsFrozen = Object.isFrozen;
    var FAILS_ON_PRIMITIVES$5 = fails(function () { nativeIsFrozen(1); });

    // `Object.isFrozen` method
    // https://tc39.github.io/ecma262/#sec-object.isfrozen
    _export({ target: 'Object', stat: true, forced: FAILS_ON_PRIMITIVES$5 }, {
      isFrozen: function isFrozen(it) {
        return isObject(it) ? nativeIsFrozen ? nativeIsFrozen(it) : false : true;
      }
    });

    var nativeIsSealed = Object.isSealed;
    var FAILS_ON_PRIMITIVES$6 = fails(function () { nativeIsSealed(1); });

    // `Object.isSealed` method
    // https://tc39.github.io/ecma262/#sec-object.issealed
    _export({ target: 'Object', stat: true, forced: FAILS_ON_PRIMITIVES$6 }, {
      isSealed: function isSealed(it) {
        return isObject(it) ? nativeIsSealed ? nativeIsSealed(it) : false : true;
      }
    });

    var FAILS_ON_PRIMITIVES$7 = fails(function () { objectKeys(1); });

    // `Object.keys` method
    // https://tc39.github.io/ecma262/#sec-object.keys
    _export({ target: 'Object', stat: true, forced: FAILS_ON_PRIMITIVES$7 }, {
      keys: function keys(it) {
        return objectKeys(toObject(it));
      }
    });

    var onFreeze$1 = internalMetadata.onFreeze;



    var nativePreventExtensions = Object.preventExtensions;
    var FAILS_ON_PRIMITIVES$8 = fails(function () { nativePreventExtensions(1); });

    // `Object.preventExtensions` method
    // https://tc39.github.io/ecma262/#sec-object.preventextensions
    _export({ target: 'Object', stat: true, forced: FAILS_ON_PRIMITIVES$8, sham: !freezing }, {
      preventExtensions: function preventExtensions(it) {
        return nativePreventExtensions && isObject(it) ? nativePreventExtensions(onFreeze$1(it)) : it;
      }
    });

    var onFreeze$2 = internalMetadata.onFreeze;



    var nativeSeal = Object.seal;
    var FAILS_ON_PRIMITIVES$9 = fails(function () { nativeSeal(1); });

    // `Object.seal` method
    // https://tc39.github.io/ecma262/#sec-object.seal
    _export({ target: 'Object', stat: true, forced: FAILS_ON_PRIMITIVES$9, sham: !freezing }, {
      seal: function seal(it) {
        return nativeSeal && isObject(it) ? nativeSeal(onFreeze$2(it)) : it;
      }
    });

    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);

    // `Object.setPrototypeOf` method
    // https://tc39.github.io/ecma262/#sec-object.setprototypeof
    _export({ target: 'Object', stat: true }, {
      setPrototypeOf: objectSetPrototypeOf
    });

    var $values = objectToArray.values;

    // `Object.values` method
    // https://tc39.github.io/ecma262/#sec-object.values
    _export({ target: 'Object', stat: true }, {
      values: function values(O) {
        return $values(O);
      }
    });

    // `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 });
    }

    // Forced replacement object prototype accessors methods
    var objectPrototypeAccessorsForced =  !fails(function () {
      var key = Math.random();
      // In FF throws only define methods
      // eslint-disable-next-line no-undef, no-useless-call
      __defineSetter__.call(null, key, function () { /* empty */ });
      delete global_1[key];
    });

    // `Object.prototype.__defineGetter__` method
    // https://tc39.github.io/ecma262/#sec-object.prototype.__defineGetter__
    if (descriptors) {
      _export({ target: 'Object', proto: true, forced: objectPrototypeAccessorsForced }, {
        __defineGetter__: function __defineGetter__(P, getter) {
          objectDefineProperty.f(toObject(this), P, { get: aFunction$1(getter), enumerable: true, configurable: true });
        }
      });
    }

    // `Object.prototype.__defineSetter__` method
    // https://tc39.github.io/ecma262/#sec-object.prototype.__defineSetter__
    if (descriptors) {
      _export({ target: 'Object', proto: true, forced: objectPrototypeAccessorsForced }, {
        __defineSetter__: function __defineSetter__(P, setter) {
          objectDefineProperty.f(toObject(this), P, { set: aFunction$1(setter), enumerable: true, configurable: true });
        }
      });
    }

    var getOwnPropertyDescriptor$2 = objectGetOwnPropertyDescriptor.f;

    // `Object.prototype.__lookupGetter__` method
    // https://tc39.github.io/ecma262/#sec-object.prototype.__lookupGetter__
    if (descriptors) {
      _export({ target: 'Object', proto: true, forced: objectPrototypeAccessorsForced }, {
        __lookupGetter__: function __lookupGetter__(P) {
          var O = toObject(this);
          var key = toPrimitive(P, true);
          var desc;
          do {
            if (desc = getOwnPropertyDescriptor$2(O, key)) { return desc.get; }
          } while (O = objectGetPrototypeOf(O));
        }
      });
    }

    var getOwnPropertyDescriptor$3 = objectGetOwnPropertyDescriptor.f;

    // `Object.prototype.__lookupSetter__` method
    // https://tc39.github.io/ecma262/#sec-object.prototype.__lookupSetter__
    if (descriptors) {
      _export({ target: 'Object', proto: true, forced: objectPrototypeAccessorsForced }, {
        __lookupSetter__: function __lookupSetter__(P) {
          var O = toObject(this);
          var key = toPrimitive(P, true);
          var desc;
          do {
            if (desc = getOwnPropertyDescriptor$3(O, key)) { return desc.set; }
          } while (O = objectGetPrototypeOf(O));
        }
      });
    }

    var slice = [].slice;
    var factories = {};

    var construct = function (C, argsLength, args) {
      if (!(argsLength in factories)) {
        for (var list = [], i = 0; i < argsLength; i++) { list[i] = 'a[' + i + ']'; }
        // eslint-disable-next-line no-new-func
        factories[argsLength] = Function('C,a', 'return new C(' + list.join(',') + ')');
      } return factories[argsLength](C, args);
    };

    // `Function.prototype.bind` method implementation
    // https://tc39.github.io/ecma262/#sec-function.prototype.bind
    var functionBind = Function.bind || function bind(that /* , ...args */) {
      var fn = aFunction$1(this);
      var partArgs = slice.call(arguments, 1);
      var boundFunction = function bound(/* args... */) {
        var args = partArgs.concat(slice.call(arguments));
        return this instanceof boundFunction ? construct(fn, args.length, args) : fn.apply(that, args);
      };
      if (isObject(fn.prototype)) { boundFunction.prototype = fn.prototype; }
      return boundFunction;
    };

    // `Function.prototype.bind` method
    // https://tc39.github.io/ecma262/#sec-function.prototype.bind
    _export({ target: 'Function', proto: true }, {
      bind: functionBind
    });

    var defineProperty$4 = 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$4(FunctionPrototype, NAME, {
        configurable: true,
        get: function () {
          try {
            return FunctionPrototypeToString.call(this).match(nameRE)[1];
          } catch (error) {
            return '';
          }
        }
      });
    }

    var HAS_INSTANCE = wellKnownSymbol('hasInstance');
    var FunctionPrototype$1 = Function.prototype;

    // `Function.prototype[@@hasInstance]` method
    // https://tc39.github.io/ecma262/#sec-function.prototype-@@hasinstance
    if (!(HAS_INSTANCE in FunctionPrototype$1)) {
      objectDefineProperty.f(FunctionPrototype$1, HAS_INSTANCE, { value: function (O) {
        if (typeof this != 'function' || !isObject(O)) { return false; }
        if (!isObject(this.prototype)) { return O instanceof this; }
        // for environment w/o native `@@hasInstance` logic enough `instanceof`, but add this:
        while (O = objectGetPrototypeOf(O)) { if (this.prototype === O) { return true; } }
        return false;
      } });
    }

    // `globalThis` object
    // https://github.com/tc39/proposal-global
    _export({ global: true }, {
      globalThis: global_1
    });

    // `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 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 INCORRECT_ITERATION = !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 }, {
      from: arrayFrom
    });

    // `Array.isArray` method
    // https://tc39.github.io/ecma262/#sec-array.isarray
    _export({ target: 'Array', stat: true }, {
      isArray: isArray
    });

    var ISNT_GENERIC = fails(function () {
      function F() { /* empty */ }
      return !(Array.of.call(F) instanceof F);
    });

    // `Array.of` method
    // https://tc39.github.io/ecma262/#sec-array.of
    // WebKit Array.of isn't generic
    _export({ target: 'Array', stat: true, forced: ISNT_GENERIC }, {
      of: function of(/* ...args */) {
        var arguments$1 = arguments;

        var index = 0;
        var argumentsLength = arguments.length;
        var result = new (typeof this == 'function' ? this : Array)(argumentsLength);
        while (argumentsLength > index) { createProperty(result, index, arguments$1[index++]); }
        result.length = argumentsLength;
        return result;
      }
    });

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

    var process$1 = global_1.process;
    var versions = process$1 && process$1.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 IS_CONCAT_SPREADABLE = wellKnownSymbol('isConcatSpreadable');
    var MAX_SAFE_INTEGER = 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$1 = !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$1 }, {
      concat: function concat(arg) {
        var arguments$1 = arguments;
     // 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$1[i];
          if (isConcatSpreadable(E)) {
            len = toLength(E.length);
            if (n + len > MAX_SAFE_INTEGER) { 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) { throw TypeError(MAXIMUM_ALLOWED_INDEX_EXCEEDED); }
            createProperty(A, n++, E);
          }
        }
        A.length = n;
        return A;
      }
    });

    var min$2 = 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$2((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 UNSCOPABLES = wellKnownSymbol('unscopables');
    var ArrayPrototype$1 = Array.prototype;

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

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

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

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

    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 defineProperty$5 = 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$5(O, 1, { enumerable: true, get: thrower }); }
        else { O[1] = 1; }

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

    var $every = arrayIteration.every;



    var STRICT_METHOD = arrayMethodIsStrict('every');
    var USES_TO_LENGTH = arrayMethodUsesToLength('every');

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

    // `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;
    };

    // `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 $filter = arrayIteration.filter;



    var HAS_SPECIES_SUPPORT = arrayMethodHasSpeciesSupport('filter');
    // Edge 14- issue
    var USES_TO_LENGTH$1 = 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$1 }, {
      filter: function filter(callbackfn /* , thisArg */) {
        return $filter(this, callbackfn, arguments.length > 1 ? arguments[1] : undefined);
      }
    });

    var $find = arrayIteration.find;



    var FIND = 'find';
    var SKIPS_HOLES = true;

    var USES_TO_LENGTH$2 = arrayMethodUsesToLength(FIND);

    // Shouldn't skip holes
    if (FIND in []) { Array(1)[FIND](function () { SKIPS_HOLES = false; }); }

    // `Array.prototype.find` method
    // https://tc39.github.io/ecma262/#sec-array.prototype.find
    _export({ target: 'Array', proto: true, forced: SKIPS_HOLES || !USES_TO_LENGTH$2 }, {
      find: function find(callbackfn /* , that = undefined */) {
        return $find(this, callbackfn, arguments.length > 1 ? arguments[1] : undefined);
      }
    });

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

    var $findIndex = arrayIteration.findIndex;



    var FIND_INDEX = 'findIndex';
    var SKIPS_HOLES$1 = true;

    var USES_TO_LENGTH$3 = arrayMethodUsesToLength(FIND_INDEX);

    // Shouldn't skip holes
    if (FIND_INDEX in []) { Array(1)[FIND_INDEX](function () { SKIPS_HOLES$1 = false; }); }

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

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

    // `FlattenIntoArray` abstract operation
    // https://tc39.github.io/proposal-flatMap/#sec-FlattenIntoArray
    var flattenIntoArray = function (target, original, source, sourceLen, start, depth, mapper, thisArg) {
      var targetIndex = start;
      var sourceIndex = 0;
      var mapFn = mapper ? functionBindContext(mapper, thisArg, 3) : false;
      var element;

      while (sourceIndex < sourceLen) {
        if (sourceIndex in source) {
          element = mapFn ? mapFn(source[sourceIndex], sourceIndex, original) : source[sourceIndex];

          if (depth > 0 && isArray(element)) {
            targetIndex = flattenIntoArray(target, original, element, toLength(element.length), targetIndex, depth - 1) - 1;
          } else {
            if (targetIndex >= 0x1FFFFFFFFFFFFF) { throw TypeError('Exceed the acceptable array length'); }
            target[targetIndex] = element;
          }

          targetIndex++;
        }
        sourceIndex++;
      }
      return targetIndex;
    };

    var flattenIntoArray_1 = flattenIntoArray;

    // `Array.prototype.flat` method
    // https://github.com/tc39/proposal-flatMap
    _export({ target: 'Array', proto: true }, {
      flat: function flat(/* depthArg = 1 */) {
        var depthArg = arguments.length ? arguments[0] : undefined;
        var O = toObject(this);
        var sourceLen = toLength(O.length);
        var A = arraySpeciesCreate(O, 0);
        A.length = flattenIntoArray_1(A, O, O, sourceLen, 0, depthArg === undefined ? 1 : toInteger(depthArg));
        return A;
      }
    });

    // `Array.prototype.flatMap` method
    // https://github.com/tc39/proposal-flatMap
    _export({ target: 'Array', proto: true }, {
      flatMap: function flatMap(callbackfn /* , thisArg */) {
        var O = toObject(this);
        var sourceLen = toLength(O.length);
        var A;
        aFunction$1(callbackfn);
        A = arraySpeciesCreate(O, 0);
        A.length = flattenIntoArray_1(A, O, O, sourceLen, 0, 1, callbackfn, arguments.length > 1 ? arguments[1] : undefined);
        return A;
      }
    });

    var $forEach$1 = arrayIteration.forEach;



    var STRICT_METHOD$1 = arrayMethodIsStrict('forEach');
    var USES_TO_LENGTH$4 = arrayMethodUsesToLength('forEach');

    // `Array.prototype.forEach` method implementation
    // https://tc39.github.io/ecma262/#sec-array.prototype.foreach
    var arrayForEach = (!STRICT_METHOD$1 || !USES_TO_LENGTH$4) ? function forEach(callbackfn /* , thisArg */) {
      return $forEach$1(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 $includes = arrayIncludes.includes;



    var USES_TO_LENGTH$5 = 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$5 }, {
      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 $indexOf = arrayIncludes.indexOf;



    var nativeIndexOf = [].indexOf;

    var NEGATIVE_ZERO = !!nativeIndexOf && 1 / [1].indexOf(1, -0) < 0;
    var STRICT_METHOD$2 = arrayMethodIsStrict('indexOf');
    var USES_TO_LENGTH$6 = 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$2 || !USES_TO_LENGTH$6 }, {
      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 nativeJoin = [].join;

    var ES3_STRINGS = indexedObject != Object;
    var STRICT_METHOD$3 = 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$3 }, {
      join: function join(separator) {
        return nativeJoin.call(toIndexedObject(this), separator === undefined ? ',' : separator);
      }
    });

    var min$3 = 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$2 = 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$2 ? 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$3(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 $map = arrayIteration.map;



    var HAS_SPECIES_SUPPORT$1 = arrayMethodHasSpeciesSupport('map');
    // FF49- issue
    var USES_TO_LENGTH$8 = 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$1 || !USES_TO_LENGTH$8 }, {
      map: function map(callbackfn /* , thisArg */) {
        return $map(this, callbackfn, arguments.length > 1 ? arguments[1] : undefined);
      }
    });

    // `Array.prototype.{ reduce, reduceRight }` methods implementation
    var createMethod$3 = 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$3(false),
      // `Array.prototype.reduceRight` method
      // https://tc39.github.io/ecma262/#sec-array.prototype.reduceright
      right: createMethod$3(true)
    };

    var $reduce = arrayReduce.left;



    var STRICT_METHOD$5 = arrayMethodIsStrict('reduce');
    var USES_TO_LENGTH$9 = 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$5 || !USES_TO_LENGTH$9 }, {
      reduce: function reduce(callbackfn /* , initialValue */) {
        return $reduce(this, callbackfn, arguments.length, arguments.length > 1 ? arguments[1] : undefined);
      }
    });

    var $reduceRight = arrayReduce.right;



    var STRICT_METHOD$6 = arrayMethodIsStrict('reduceRight');
    // For preventing possible almost infinite loop in non-standard implementations, test the forward version of the method
    var USES_TO_LENGTH$a = arrayMethodUsesToLength('reduce', { 1: 0 });

    // `Array.prototype.reduceRight` method
    // https://tc39.github.io/ecma262/#sec-array.prototype.reduceright
    _export({ target: 'Array', proto: true, forced: !STRICT_METHOD$6 || !USES_TO_LENGTH$a }, {
      reduceRight: function reduceRight(callbackfn /* , initialValue */) {
        return $reduceRight(this, callbackfn, arguments.length, arguments.length > 1 ? arguments[1] : undefined);
      }
    });

    var nativeReverse = [].reverse;
    var test$1 = [1, 2];

    // `Array.prototype.reverse` method
    // https://tc39.github.io/ecma262/#sec-array.prototype.reverse
    // fix for Safari 12.0 bug
    // https://bugs.webkit.org/show_bug.cgi?id=188794
    _export({ target: 'Array', proto: true, forced: String(test$1) === String(test$1.reverse()) }, {
      reverse: function reverse() {
        // eslint-disable-next-line no-self-assign
        if (isArray(this)) { this.length = this.length; }
        return nativeReverse.call(this);
      }
    });

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

    var SPECIES$2 = wellKnownSymbol('species');
    var nativeSlice = [].slice;
    var max$1 = 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$2 || !USES_TO_LENGTH$b }, {
      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$2];
            if (Constructor === null) { Constructor = undefined; }
          }
          if (Constructor === Array || Constructor === undefined) {
            return nativeSlice.call(O, k, fin);
          }
        }
        result = new (Constructor === undefined ? Array : Constructor)(max$1(fin - k, 0));
        for (n = 0; k < fin; k++, n++) { if (k in O) { createProperty(result, n, O[k]); } }
        result.length = n;
        return result;
      }
    });

    var $some = arrayIteration.some;



    var STRICT_METHOD$7 = arrayMethodIsStrict('some');
    var USES_TO_LENGTH$c = arrayMethodUsesToLength('some');

    // `Array.prototype.some` method
    // https://tc39.github.io/ecma262/#sec-array.prototype.some
    _export({ target: 'Array', proto: true, forced: !STRICT_METHOD$7 || !USES_TO_LENGTH$c }, {
      some: function some(callbackfn /* , thisArg */) {
        return $some(this, callbackfn, arguments.length > 1 ? arguments[1] : undefined);
      }
    });

    var test$2 = [];
    var nativeSort = test$2.sort;

    // IE8-
    var FAILS_ON_UNDEFINED = fails(function () {
      test$2.sort(undefined);
    });
    // V8 bug
    var FAILS_ON_NULL = fails(function () {
      test$2.sort(null);
    });
    // Old WebKit
    var STRICT_METHOD$8 = arrayMethodIsStrict('sort');

    var FORCED$3 = FAILS_ON_UNDEFINED || !FAILS_ON_NULL || !STRICT_METHOD$8;

    // `Array.prototype.sort` method
    // https://tc39.github.io/ecma262/#sec-array.prototype.sort
    _export({ target: 'Array', proto: true, forced: FORCED$3 }, {
      sort: function sort(comparefn) {
        return comparefn === undefined
          ? nativeSort.call(toObject(this))
          : nativeSort.call(toObject(this), aFunction$1(comparefn));
      }
    });

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

    var max$2 = Math.max;
    var min$4 = Math.min;
    var MAX_SAFE_INTEGER$1 = 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$3 || !USES_TO_LENGTH$d }, {
      splice: function splice(start, deleteCount /* , ...items */) {
        var arguments$1 = arguments;

        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$4(max$2(toInteger(deleteCount), 0), len - actualStart);
        }
        if (len + insertCount - actualDeleteCount > MAX_SAFE_INTEGER$1) {
          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$1[k + 2];
        }
        O.length = len - actualDeleteCount + insertCount;
        return A;
      }
    });

    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; }
        });
      }
    };

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

    // this method was added to unscopables after implementation
    // in popular engines, so it's moved to a separate module


    addToUnscopables('flat');

    // this method was added to unscopables after implementation
    // in popular engines, so it's moved to a separate module


    addToUnscopables('flatMap');

    var ITERATOR$3 = 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$3)) {
      createNonEnumerableProperty(IteratorPrototype, ITERATOR$3, 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$4 = 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$4]
        || 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$4] != 'function') {
              createNonEnumerableProperty(CurrentIteratorPrototype, ITERATOR$4, 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$4] !== defaultIterator) {
        createNonEnumerableProperty(IterablePrototype, ITERATOR$4, 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$1 = 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$1(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 fromCharCode = String.fromCharCode;
    var nativeFromCodePoint = String.fromCodePoint;

    // length should be 1, old FF problem
    var INCORRECT_LENGTH = !!nativeFromCodePoint && nativeFromCodePoint.length != 1;

    // `String.fromCodePoint` method
    // https://tc39.github.io/ecma262/#sec-string.fromcodepoint
    _export({ target: 'String', stat: true, forced: INCORRECT_LENGTH }, {
      fromCodePoint: function fromCodePoint(x) {
        var arguments$1 = arguments;
     // eslint-disable-line no-unused-vars
        var elements = [];
        var length = arguments.length;
        var i = 0;
        var code;
        while (length > i) {
          code = +arguments$1[i++];
          if (toAbsoluteIndex(code, 0x10FFFF) !== code) { throw RangeError(code + ' is not a valid code point'); }
          elements.push(code < 0x10000
            ? fromCharCode(code)
            : fromCharCode(((code -= 0x10000) >> 10) + 0xD800, code % 0x400 + 0xDC00)
          );
        } return elements.join('');
      }
    });

    // `String.raw` method
    // https://tc39.github.io/ecma262/#sec-string.raw
    _export({ target: 'String', stat: true }, {
      raw: function raw(template) {
        var arguments$1 = arguments;

        var rawTemplate = toIndexedObject(template.raw);
        var literalSegments = toLength(rawTemplate.length);
        var argumentsLength = arguments.length;
        var elements = [];
        var i = 0;
        while (literalSegments > i) {
          elements.push(String(rawTemplate[i++]));
          if (i < argumentsLength) { elements.push(String(arguments$1[i])); }
        } return elements.join('');
      }
    });

    // `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 codeAt = stringMultibyte.codeAt;

    // `String.prototype.codePointAt` method
    // https://tc39.github.io/ecma262/#sec-string.prototype.codepointat
    _export({ target: 'String', proto: true }, {
      codePointAt: function codePointAt(pos) {
        return codeAt(this, pos);
      }
    });

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

    var MATCH$1 = wellKnownSymbol('match');

    var correctIsRegexpLogic = function (METHOD_NAME) {
      var regexp = /./;
      try {
        '/./'[METHOD_NAME](regexp);
      } catch (e) {
        try {
          regexp[MATCH$1] = false;
          return '/./'[METHOD_NAME](regexp);
        } catch (f) { /* empty */ }
      } return false;
    };

    var getOwnPropertyDescriptor$4 = objectGetOwnPropertyDescriptor.f;






    var nativeEndsWith = ''.endsWith;
    var min$5 = Math.min;

    var CORRECT_IS_REGEXP_LOGIC = correctIsRegexpLogic('endsWith');
    // https://github.com/zloirock/core-js/pull/702
    var MDN_POLYFILL_BUG =  !CORRECT_IS_REGEXP_LOGIC && !!function () {
      var descriptor = getOwnPropertyDescriptor$4(String.prototype, 'endsWith');
      return descriptor && !descriptor.writable;
    }();

    // `String.prototype.endsWith` method
    // https://tc39.github.io/ecma262/#sec-string.prototype.endswith
    _export({ target: 'String', proto: true, forced: !MDN_POLYFILL_BUG && !CORRECT_IS_REGEXP_LOGIC }, {
      endsWith: function endsWith(searchString /* , endPosition = @length */) {
        var that = String(requireObjectCoercible(this));
        notARegexp(searchString);
        var endPosition = arguments.length > 1 ? arguments[1] : undefined;
        var len = toLength(that.length);
        var end = endPosition === undefined ? len : min$5(toLength(endPosition), len);
        var search = String(searchString);
        return nativeEndsWith
          ? nativeEndsWith.call(that, search, end)
          : that.slice(end - search.length, end) === search;
      }
    });

    // `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);
      }
    });

    // `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 () {
            var arguments$1 = arguments;

            for (i = 1; i < arguments.length - 2; i++) {
              if (arguments$1[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$4 = 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$4] = 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); }
    };

    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);
    };

    // `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);
    };

    // @@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 SPECIES$5 = 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$5]) == undefined ? defaultConstructor : aFunction$1(S);
    };

    var MATCH_ALL = wellKnownSymbol('matchAll');
    var REGEXP_STRING = 'RegExp String';
    var REGEXP_STRING_ITERATOR = REGEXP_STRING + ' Iterator';
    var setInternalState$2 = internalState.set;
    var getInternalState$2 = internalState.getterFor(REGEXP_STRING_ITERATOR);
    var RegExpPrototype = RegExp.prototype;
    var regExpBuiltinExec = RegExpPrototype.exec;
    var nativeMatchAll = ''.matchAll;

    var WORKS_WITH_NON_GLOBAL_REGEX = !!nativeMatchAll && !fails(function () {
      'a'.matchAll(/./);
    });

    var regExpExec = function (R, S) {
      var exec = R.exec;
      var result;
      if (typeof exec == 'function') {
        result = exec.call(R, S);
        if (typeof result != 'object') { throw TypeError('Incorrect exec result'); }
        return result;
      } return regExpBuiltinExec.call(R, S);
    };

    // eslint-disable-next-line max-len
    var $RegExpStringIterator = createIteratorConstructor(function RegExpStringIterator(regexp, string, global, fullUnicode) {
      setInternalState$2(this, {
        type: REGEXP_STRING_ITERATOR,
        regexp: regexp,
        string: string,
        global: global,
        unicode: fullUnicode,
        done: false
      });
    }, REGEXP_STRING, function next() {
      var state = getInternalState$2(this);
      if (state.done) { return { value: undefined, done: true }; }
      var R = state.regexp;
      var S = state.string;
      var match = regExpExec(R, S);
      if (match === null) { return { value: undefined, done: state.done = true }; }
      if (state.global) {
        if (String(match[0]) == '') { R.lastIndex = advanceStringIndex(S, toLength(R.lastIndex), state.unicode); }
        return { value: match, done: false };
      }
      state.done = true;
      return { value: match, done: false };
    });

    var $matchAll = function (string) {
      var R = anObject(this);
      var S = String(string);
      var C, flagsValue, flags, matcher, global, fullUnicode;
      C = speciesConstructor(R, RegExp);
      flagsValue = R.flags;
      if (flagsValue === undefined && R instanceof RegExp && !('flags' in RegExpPrototype)) {
        flagsValue = regexpFlags.call(R);
      }
      flags = flagsValue === undefined ? '' : String(flagsValue);
      matcher = new C(C === RegExp ? R.source : R, flags);
      global = !!~flags.indexOf('g');
      fullUnicode = !!~flags.indexOf('u');
      matcher.lastIndex = toLength(R.lastIndex);
      return new $RegExpStringIterator(matcher, S, global, fullUnicode);
    };

    // `String.prototype.matchAll` method
    // https://github.com/tc39/proposal-string-matchall
    _export({ target: 'String', proto: true, forced: WORKS_WITH_NON_GLOBAL_REGEX }, {
      matchAll: function matchAll(regexp) {
        var O = requireObjectCoercible(this);
        var flags, S, matcher, rx;
        if (regexp != null) {
          if (isRegexp(regexp)) {
            flags = String(requireObjectCoercible('flags' in RegExpPrototype
              ? regexp.flags
              : regexpFlags.call(regexp)
            ));
            if (!~flags.indexOf('g')) { throw TypeError('`.matchAll` does not allow non-global regexes'); }
          }
          if (WORKS_WITH_NON_GLOBAL_REGEX) { return nativeMatchAll.apply(O, arguments); }
          matcher = regexp[MATCH_ALL];
          if (matcher === undefined && isPure && classofRaw(regexp) == 'RegExp') { matcher = $matchAll; }
          if (matcher != null) { return aFunction$1(matcher).call(regexp, O); }
        } else if (WORKS_WITH_NON_GLOBAL_REGEX) { return nativeMatchAll.apply(O, arguments); }
        S = String(O);
        rx = new RegExp(regexp, 'g');
        return  rx[MATCH_ALL](S);
      }
    });

     MATCH_ALL in RegExpPrototype || createNonEnumerableProperty(RegExpPrototype, MATCH_ALL, $matchAll);

    // `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;
    };

    // https://github.com/tc39/proposal-string-pad-start-end




    var ceil$1 = Math.ceil;

    // `String.prototype.{ padStart, padEnd }` methods implementation
    var createMethod$5 = function (IS_END) {
      return function ($this, maxLength, fillString) {
        var S = String(requireObjectCoercible($this));
        var stringLength = S.length;
        var fillStr = fillString === undefined ? ' ' : String(fillString);
        var intMaxLength = toLength(maxLength);
        var fillLen, stringFiller;
        if (intMaxLength <= stringLength || fillStr == '') { return S; }
        fillLen = intMaxLength - stringLength;
        stringFiller = stringRepeat.call(fillStr, ceil$1(fillLen / fillStr.length));
        if (stringFiller.length > fillLen) { stringFiller = stringFiller.slice(0, fillLen); }
        return IS_END ? S + stringFiller : stringFiller + S;
      };
    };

    var stringPad = {
      // `String.prototype.padStart` method
      // https://tc39.github.io/ecma262/#sec-string.prototype.padstart
      start: createMethod$5(false),
      // `String.prototype.padEnd` method
      // https://tc39.github.io/ecma262/#sec-string.prototype.padend
      end: createMethod$5(true)
    };

    // https://github.com/zloirock/core-js/issues/280


    // eslint-disable-next-line unicorn/no-unsafe-regex
    var stringPadWebkitBug = /Version\/10\.\d+(\.\d+)?( Mobile\/\w+)? Safari\//.test(engineUserAgent);

    var $padEnd = stringPad.end;


    // `String.prototype.padEnd` method
    // https://tc39.github.io/ecma262/#sec-string.prototype.padend
    _export({ target: 'String', proto: true, forced: stringPadWebkitBug }, {
      padEnd: function padEnd(maxLength /* , fillString = ' ' */) {
        return $padEnd(this, maxLength, arguments.length > 1 ? arguments[1] : undefined);
      }
    });

    var $padStart = stringPad.start;


    // `String.prototype.padStart` method
    // https://tc39.github.io/ecma262/#sec-string.prototype.padstart
    _export({ target: 'String', proto: true, forced: stringPadWebkitBug }, {
      padStart: function padStart(maxLength /* , fillString = ' ' */) {
        return $padStart(this, maxLength, arguments.length > 1 ? arguments[1] : undefined);
      }
    });

    // `String.prototype.repeat` method
    // https://tc39.github.io/ecma262/#sec-string.prototype.repeat
    _export({ target: 'String', proto: true }, {
      repeat: stringRepeat
    });

    var max$3 = Math.max;
    var min$6 = 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$3(min$6(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;
        });
      }
    });

    // @@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;
        }
      ];
    });

    var arrayPush = [].push;
    var min$7 = 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$7(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);

    var getOwnPropertyDescriptor$5 = objectGetOwnPropertyDescriptor.f;






    var nativeStartsWith = ''.startsWith;
    var min$8 = Math.min;

    var CORRECT_IS_REGEXP_LOGIC$1 = correctIsRegexpLogic('startsWith');
    // https://github.com/zloirock/core-js/pull/702
    var MDN_POLYFILL_BUG$1 =  !CORRECT_IS_REGEXP_LOGIC$1 && !!function () {
      var descriptor = getOwnPropertyDescriptor$5(String.prototype, 'startsWith');
      return descriptor && !descriptor.writable;
    }();

    // `String.prototype.startsWith` method
    // https://tc39.github.io/ecma262/#sec-string.prototype.startswith
    _export({ target: 'String', proto: true, forced: !MDN_POLYFILL_BUG$1 && !CORRECT_IS_REGEXP_LOGIC$1 }, {
      startsWith: function startsWith(searchString /* , position = 0 */) {
        var that = String(requireObjectCoercible(this));
        notARegexp(searchString);
        var index = toLength(min$8(arguments.length > 1 ? arguments[1] : undefined, that.length));
        var search = String(searchString);
        return nativeStartsWith
          ? nativeStartsWith.call(that, search, index)
          : that.slice(index, index + search.length) === search;
      }
    });

    // 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$6 = function (TYPE) {
      return function ($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$6(1),
      // `String.prototype.{ trimRight, trimEnd }` methods
      // https://tc39.github.io/ecma262/#sec-string.prototype.trimend
      end: createMethod$6(2),
      // `String.prototype.trim` method
      // https://tc39.github.io/ecma262/#sec-string.prototype.trim
      trim: createMethod$6(3)
    };

    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 $trimStart = stringTrim.start;


    var FORCED$4 = stringTrimForced('trimStart');

    var trimStart = FORCED$4 ? function trimStart() {
      return $trimStart(this);
    } : ''.trimStart;

    // `String.prototype.{ trimStart, trimLeft }` methods
    // https://github.com/tc39/ecmascript-string-left-right-trim
    _export({ target: 'String', proto: true, forced: FORCED$4 }, {
      trimStart: trimStart,
      trimLeft: trimStart
    });

    var $trimEnd = stringTrim.end;


    var FORCED$5 = stringTrimForced('trimEnd');

    var trimEnd = FORCED$5 ? function trimEnd() {
      return $trimEnd(this);
    } : ''.trimEnd;

    // `String.prototype.{ trimEnd, trimRight }` methods
    // https://github.com/tc39/ecmascript-string-left-right-trim
    _export({ target: 'String', proto: true, forced: FORCED$5 }, {
      trimEnd: trimEnd,
      trimRight: trimEnd
    });

    var charAt$1 = stringMultibyte.charAt;



    var STRING_ITERATOR = 'String Iterator';
    var setInternalState$3 = internalState.set;
    var getInternalState$3 = internalState.getterFor(STRING_ITERATOR);

    // `String.prototype[@@iterator]` method
    // https://tc39.github.io/ecma262/#sec-string.prototype-@@iterator
    defineIterator(String, 'String', function (iterated) {
      setInternalState$3(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$3(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 quot = /"/g;

    // B.2.3.2.1 CreateHTML(string, tag, attribute, value)
    // https://tc39.github.io/ecma262/#sec-createhtml
    var createHtml = function (string, tag, attribute, value) {
      var S = String(requireObjectCoercible(string));
      var p1 = '<' + tag;
      if (attribute !== '') { p1 += ' ' + attribute + '="' + String(value).replace(quot, '&quot;') + '"'; }
      return p1 + '>' + S + '</' + tag + '>';
    };

    // check the existence of a method, lowercase
    // of a tag and escaping quotes in arguments
    var stringHtmlForced = function (METHOD_NAME) {
      return fails(function () {
        var test = ''[METHOD_NAME]('"');
        return test !== test.toLowerCase() || test.split('"').length > 3;
      });
    };

    // `String.prototype.anchor` method
    // https://tc39.github.io/ecma262/#sec-string.prototype.anchor
    _export({ target: 'String', proto: true, forced: stringHtmlForced('anchor') }, {
      anchor: function anchor(name) {
        return createHtml(this, 'a', 'name', name);
      }
    });

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

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

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

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

    // `String.prototype.fontcolor` method
    // https://tc39.github.io/ecma262/#sec-string.prototype.fontcolor
    _export({ target: 'String', proto: true, forced: stringHtmlForced('fontcolor') }, {
      fontcolor: function fontcolor(color) {
        return createHtml(this, 'font', 'color', color);
      }
    });

    // `String.prototype.fontsize` method
    // https://tc39.github.io/ecma262/#sec-string.prototype.fontsize
    _export({ target: 'String', proto: true, forced: stringHtmlForced('fontsize') }, {
      fontsize: function fontsize(size) {
        return createHtml(this, 'font', 'size', size);
      }
    });

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

    // `String.prototype.link` method
    // https://tc39.github.io/ecma262/#sec-string.prototype.link
    _export({ target: 'String', proto: true, forced: stringHtmlForced('link') }, {
      link: function link(url) {
        return createHtml(this, 'a', 'href', url);
      }
    });

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

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

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

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

    // 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;
    };

    var defineProperty$6 = objectDefineProperty.f;
    var getOwnPropertyNames = objectGetOwnPropertyNames.f;





    var setInternalState$4 = internalState.set;



    var MATCH$2 = 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$6 = descriptors && isForced_1('RegExp', (!CORRECT_NEW || UNSUPPORTED_Y$2 || fails(function () {
      re2[MATCH$2] = 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$6) {
      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$4(result, { sticky: sticky }); }

        return result;
      };
      var proxy = function (key) {
        key in RegExpWrapper || defineProperty$6(RegExpWrapper, key, {
          configurable: true,
          get: function () { return NativeRegExp[key]; },
          set: function (it) { NativeRegExp[key] = it; }
        });
      };
      var keys$1 = getOwnPropertyNames(NativeRegExp);
      var index = 0;
      while (keys$1.length > index) { proxy(keys$1[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');

    var UNSUPPORTED_Y$3 = regexpStickyHelpers.UNSUPPORTED_Y;

    // `RegExp.prototype.flags` getter
    // https://tc39.github.io/ecma262/#sec-get-regexp.prototype.flags
    if (descriptors && (/./g.flags != 'g' || UNSUPPORTED_Y$3)) {
      objectDefineProperty.f(RegExp.prototype, 'flags', {
        configurable: true,
        get: regexpFlags
      });
    }

    var UNSUPPORTED_Y$4 = regexpStickyHelpers.UNSUPPORTED_Y;
    var defineProperty$7 = objectDefineProperty.f;
    var getInternalState$4 = internalState.get;
    var RegExpPrototype$2 = RegExp.prototype;

    // `RegExp.prototype.sticky` getter
    if (descriptors && UNSUPPORTED_Y$4) {
      defineProperty$7(RegExp.prototype, 'sticky', {
        configurable: true,
        get: function () {
          if (this === RegExpPrototype$2) { return undefined; }
          // We can't use InternalStateModule.getterFor because
          // we don't add metadata for regexps created by a literal.
          if (this instanceof RegExp) {
            return !!getInternalState$4(this).sticky;
          }
          throw TypeError('Incompatible receiver, RegExp required');
        }
      });
    }

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




    var DELEGATES_TO_EXEC = function () {
      var execCalled = false;
      var re = /[ac]/;
      re.exec = function () {
        execCalled = true;
        return /./.exec.apply(this, arguments);
      };
      return re.test('abc') === true && execCalled;
    }();

    var nativeTest = /./.test;

    _export({ target: 'RegExp', proto: true, forced: !DELEGATES_TO_EXEC }, {
      test: function (str) {
        if (typeof this.exec !== 'function') {
          return nativeTest.call(this, str);
        }
        var result = this.exec(str);
        if (result !== null && !isObject(result)) {
          throw new Error('RegExp exec method returned something other than an Object or null');
        }
        return !!result;
      }
    });

    var TO_STRING = 'toString';
    var RegExpPrototype$3 = RegExp.prototype;
    var nativeToString = RegExpPrototype$3[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$3) ? regexpFlags.call(R) : rf);
        return '/' + p + '/' + f;
      }, { unsafe: true });
    }

    var trim = stringTrim.trim;


    var $parseInt = global_1.parseInt;
    var hex = /^[+-]?0[Xx]/;
    var FORCED$7 = $parseInt(whitespaces + '08') !== 8 || $parseInt(whitespaces + '0x16') !== 22;

    // `parseInt` method
    // https://tc39.github.io/ecma262/#sec-parseint-string-radix
    var numberParseInt = FORCED$7 ? function parseInt(string, radix) {
      var S = trim(String(string));
      return $parseInt(S, (radix >>> 0) || (hex.test(S) ? 16 : 10));
    } : $parseInt;

    // `parseInt` method
    // https://tc39.github.io/ecma262/#sec-parseint-string-radix
    _export({ global: true, forced: parseInt != numberParseInt }, {
      parseInt: numberParseInt
    });

    var trim$1 = stringTrim.trim;


    var $parseFloat = global_1.parseFloat;
    var FORCED$8 = 1 / $parseFloat(whitespaces + '-0') !== -Infinity;

    // `parseFloat` method
    // https://tc39.github.io/ecma262/#sec-parsefloat-string
    var numberParseFloat = FORCED$8 ? function parseFloat(string) {
      var trimmedString = trim$1(String(string));
      var result = $parseFloat(trimmedString);
      return result === 0 && trimmedString.charAt(0) == '-' ? -0 : result;
    } : $parseFloat;

    // `parseFloat` method
    // https://tc39.github.io/ecma262/#sec-parsefloat-string
    _export({ global: true, forced: parseFloat != numberParseFloat }, {
      parseFloat: numberParseFloat
    });

    var getOwnPropertyNames$1 = objectGetOwnPropertyNames.f;
    var getOwnPropertyDescriptor$6 = objectGetOwnPropertyDescriptor.f;
    var defineProperty$8 = objectDefineProperty.f;
    var trim$2 = 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$2(it);
        first = it.charCodeAt(0);
        if (first === 43 || first === 45) {
          third = it.charCodeAt(2);
          if (third === 88 || third === 120) { return NaN; } // Number('+0x1') should be NaN, old V8 fix
        } else if (first === 48) {
          switch (it.charCodeAt(1)) {
            case 66: case 98: radix = 2; maxCode = 49; break; // fast equal of /^0b[01]+$/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$2 = descriptors ? getOwnPropertyNames$1(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$2.length > j; j++) {
        if (has(NativeNumber, key = keys$2[j]) && !has(NumberWrapper, key)) {
          defineProperty$8(NumberWrapper, key, getOwnPropertyDescriptor$6(NativeNumber, key));
        }
      }
      NumberWrapper.prototype = NumberPrototype;
      NumberPrototype.constructor = NumberWrapper;
      redefine(global_1, NUMBER, NumberWrapper);
    }

    // `Number.EPSILON` constant
    // https://tc39.github.io/ecma262/#sec-number.epsilon
    _export({ target: 'Number', stat: true }, {
      EPSILON: Math.pow(2, -52)
    });

    var globalIsFinite = global_1.isFinite;

    // `Number.isFinite` method
    // https://tc39.github.io/ecma262/#sec-number.isfinite
    var numberIsFinite = Number.isFinite || function isFinite(it) {
      return typeof it == 'number' && globalIsFinite(it);
    };

    // `Number.isFinite` method
    // https://tc39.github.io/ecma262/#sec-number.isfinite
    _export({ target: 'Number', stat: true }, { isFinite: numberIsFinite });

    var floor$2 = Math.floor;

    // `Number.isInteger` method implementation
    // https://tc39.github.io/ecma262/#sec-number.isinteger
    var isInteger = function isInteger(it) {
      return !isObject(it) && isFinite(it) && floor$2(it) === it;
    };

    // `Number.isInteger` method
    // https://tc39.github.io/ecma262/#sec-number.isinteger
    _export({ target: 'Number', stat: true }, {
      isInteger: isInteger
    });

    // `Number.isNaN` method
    // https://tc39.github.io/ecma262/#sec-number.isnan
    _export({ target: 'Number', stat: true }, {
      isNaN: function isNaN(number) {
        // eslint-disable-next-line no-self-compare
        return number != number;
      }
    });

    var abs = Math.abs;

    // `Number.isSafeInteger` method
    // https://tc39.github.io/ecma262/#sec-number.issafeinteger
    _export({ target: 'Number', stat: true }, {
      isSafeInteger: function isSafeInteger(number) {
        return isInteger(number) && abs(number) <= 0x1FFFFFFFFFFFFF;
      }
    });

    // `Number.MAX_SAFE_INTEGER` constant
    // https://tc39.github.io/ecma262/#sec-number.max_safe_integer
    _export({ target: 'Number', stat: true }, {
      MAX_SAFE_INTEGER: 0x1FFFFFFFFFFFFF
    });

    // `Number.MIN_SAFE_INTEGER` constant
    // https://tc39.github.io/ecma262/#sec-number.min_safe_integer
    _export({ target: 'Number', stat: true }, {
      MIN_SAFE_INTEGER: -0x1FFFFFFFFFFFFF
    });

    // `Number.parseFloat` method
    // https://tc39.github.io/ecma262/#sec-number.parseFloat
    _export({ target: 'Number', stat: true, forced: Number.parseFloat != numberParseFloat }, {
      parseFloat: numberParseFloat
    });

    // `Number.parseInt` method
    // https://tc39.github.io/ecma262/#sec-number.parseint
    _export({ target: 'Number', stat: true, forced: Number.parseInt != numberParseInt }, {
      parseInt: numberParseInt
    });

    // `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;
    };

    var nativeToFixed = 1.0.toFixed;
    var floor$3 = Math.floor;

    var pow = function (x, n, acc) {
      return n === 0 ? acc : n % 2 === 1 ? pow(x, n - 1, acc * x) : pow(x * x, n / 2, acc);
    };

    var log = 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$9 = 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$9 }, {
      // 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$3(c2 / 1e7);
          }
        };

        var divide = function (n) {
          var index = 6;
          var c = 0;
          while (--index >= 0) {
            c += data[index];
            data[index] = floor$3(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(number * pow(2, 69, 1)) - 69;
          z = e < 0 ? number * pow(2, -e, 1) : number / pow(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(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;
      }
    });

    var nativeToPrecision = 1.0.toPrecision;

    var FORCED$a = fails(function () {
      // IE7-
      return nativeToPrecision.call(1, undefined) !== '1';
    }) || !fails(function () {
      // V8 ~ Android 4.3-
      nativeToPrecision.call({});
    });

    // `Number.prototype.toPrecision` method
    // https://tc39.github.io/ecma262/#sec-number.prototype.toprecision
    _export({ target: 'Number', proto: true, forced: FORCED$a }, {
      toPrecision: function toPrecision(precision) {
        return precision === undefined
          ? nativeToPrecision.call(thisNumberValue(this))
          : nativeToPrecision.call(thisNumberValue(this), precision);
      }
    });

    var log$1 = Math.log;

    // `Math.log1p` method implementation
    // https://tc39.github.io/ecma262/#sec-math.log1p
    var mathLog1p = Math.log1p || function log1p(x) {
      return (x = +x) > -1e-8 && x < 1e-8 ? x - x * x / 2 : log$1(1 + x);
    };

    var nativeAcosh = Math.acosh;
    var log$2 = Math.log;
    var sqrt = Math.sqrt;
    var LN2 = Math.LN2;

    var FORCED$b = !nativeAcosh
      // V8 bug: https://code.google.com/p/v8/issues/detail?id=3509
      || Math.floor(nativeAcosh(Number.MAX_VALUE)) != 710
      // Tor Browser bug: Math.acosh(Infinity) -> NaN
      || nativeAcosh(Infinity) != Infinity;

    // `Math.acosh` method
    // https://tc39.github.io/ecma262/#sec-math.acosh
    _export({ target: 'Math', stat: true, forced: FORCED$b }, {
      acosh: function acosh(x) {
        return (x = +x) < 1 ? NaN : x > 94906265.62425156
          ? log$2(x) + LN2
          : mathLog1p(x - 1 + sqrt(x - 1) * sqrt(x + 1));
      }
    });

    var nativeAsinh = Math.asinh;
    var log$3 = Math.log;
    var sqrt$1 = Math.sqrt;

    function asinh(x) {
      return !isFinite(x = +x) || x == 0 ? x : x < 0 ? -asinh(-x) : log$3(x + sqrt$1(x * x + 1));
    }

    // `Math.asinh` method
    // https://tc39.github.io/ecma262/#sec-math.asinh
    // Tor Browser bug: Math.asinh(0) -> -0
    _export({ target: 'Math', stat: true, forced: !(nativeAsinh && 1 / nativeAsinh(0) > 0) }, {
      asinh: asinh
    });

    var nativeAtanh = Math.atanh;
    var log$4 = Math.log;

    // `Math.atanh` method
    // https://tc39.github.io/ecma262/#sec-math.atanh
    // Tor Browser bug: Math.atanh(-0) -> 0
    _export({ target: 'Math', stat: true, forced: !(nativeAtanh && 1 / nativeAtanh(-0) < 0) }, {
      atanh: function atanh(x) {
        return (x = +x) == 0 ? x : log$4((1 + x) / (1 - x)) / 2;
      }
    });

    // `Math.sign` method implementation
    // https://tc39.github.io/ecma262/#sec-math.sign
    var mathSign = Math.sign || function sign(x) {
      // eslint-disable-next-line no-self-compare
      return (x = +x) == 0 || x != x ? x : x < 0 ? -1 : 1;
    };

    var abs$1 = Math.abs;
    var pow$1 = Math.pow;

    // `Math.cbrt` method
    // https://tc39.github.io/ecma262/#sec-math.cbrt
    _export({ target: 'Math', stat: true }, {
      cbrt: function cbrt(x) {
        return mathSign(x = +x) * pow$1(abs$1(x), 1 / 3);
      }
    });

    var floor$4 = Math.floor;
    var log$5 = Math.log;
    var LOG2E = Math.LOG2E;

    // `Math.clz32` method
    // https://tc39.github.io/ecma262/#sec-math.clz32
    _export({ target: 'Math', stat: true }, {
      clz32: function clz32(x) {
        return (x >>>= 0) ? 31 - floor$4(log$5(x + 0.5) * LOG2E) : 32;
      }
    });

    var nativeExpm1 = Math.expm1;
    var exp = Math.exp;

    // `Math.expm1` method implementation
    // https://tc39.github.io/ecma262/#sec-math.expm1
    var mathExpm1 = (!nativeExpm1
      // Old FF bug
      || nativeExpm1(10) > 22025.465794806719 || nativeExpm1(10) < 22025.4657948067165168
      // Tor Browser bug
      || nativeExpm1(-2e-17) != -2e-17
    ) ? function expm1(x) {
      return (x = +x) == 0 ? x : x > -1e-6 && x < 1e-6 ? x + x * x / 2 : exp(x) - 1;
    } : nativeExpm1;

    var nativeCosh = Math.cosh;
    var abs$2 = Math.abs;
    var E = Math.E;

    // `Math.cosh` method
    // https://tc39.github.io/ecma262/#sec-math.cosh
    _export({ target: 'Math', stat: true, forced: !nativeCosh || nativeCosh(710) === Infinity }, {
      cosh: function cosh(x) {
        var t = mathExpm1(abs$2(x) - 1) + 1;
        return (t + 1 / (t * E * E)) * (E / 2);
      }
    });

    // `Math.expm1` method
    // https://tc39.github.io/ecma262/#sec-math.expm1
    _export({ target: 'Math', stat: true, forced: mathExpm1 != Math.expm1 }, { expm1: mathExpm1 });

    var abs$3 = Math.abs;
    var pow$2 = Math.pow;
    var EPSILON = pow$2(2, -52);
    var EPSILON32 = pow$2(2, -23);
    var MAX32 = pow$2(2, 127) * (2 - EPSILON32);
    var MIN32 = pow$2(2, -126);

    var roundTiesToEven = function (n) {
      return n + 1 / EPSILON - 1 / EPSILON;
    };

    // `Math.fround` method implementation
    // https://tc39.github.io/ecma262/#sec-math.fround
    var mathFround = Math.fround || function fround(x) {
      var $abs = abs$3(x);
      var $sign = mathSign(x);
      var a, result;
      if ($abs < MIN32) { return $sign * roundTiesToEven($abs / MIN32 / EPSILON32) * MIN32 * EPSILON32; }
      a = (1 + EPSILON32 / EPSILON) * $abs;
      result = a - (a - $abs);
      // eslint-disable-next-line no-self-compare
      if (result > MAX32 || result != result) { return $sign * Infinity; }
      return $sign * result;
    };

    // `Math.fround` method
    // https://tc39.github.io/ecma262/#sec-math.fround
    _export({ target: 'Math', stat: true }, { fround: mathFround });

    var $hypot = Math.hypot;
    var abs$4 = Math.abs;
    var sqrt$2 = Math.sqrt;

    // Chrome 77 bug
    // https://bugs.chromium.org/p/v8/issues/detail?id=9546
    var BUGGY = !!$hypot && $hypot(Infinity, NaN) !== Infinity;

    // `Math.hypot` method
    // https://tc39.github.io/ecma262/#sec-math.hypot
    _export({ target: 'Math', stat: true, forced: BUGGY }, {
      hypot: function hypot(value1, value2) {
        var arguments$1 = arguments;
     // eslint-disable-line no-unused-vars
        var sum = 0;
        var i = 0;
        var aLen = arguments.length;
        var larg = 0;
        var arg, div;
        while (i < aLen) {
          arg = abs$4(arguments$1[i++]);
          if (larg < arg) {
            div = larg / arg;
            sum = sum * div * div + 1;
            larg = arg;
          } else if (arg > 0) {
            div = arg / larg;
            sum += div * div;
          } else { sum += arg; }
        }
        return larg === Infinity ? Infinity : larg * sqrt$2(sum);
      }
    });

    var nativeImul = Math.imul;

    var FORCED$c = fails(function () {
      return nativeImul(0xFFFFFFFF, 5) != -5 || nativeImul.length != 2;
    });

    // `Math.imul` method
    // https://tc39.github.io/ecma262/#sec-math.imul
    // some WebKit versions fails with big numbers, some has wrong arity
    _export({ target: 'Math', stat: true, forced: FORCED$c }, {
      imul: function imul(x, y) {
        var UINT16 = 0xFFFF;
        var xn = +x;
        var yn = +y;
        var xl = UINT16 & xn;
        var yl = UINT16 & yn;
        return 0 | xl * yl + ((UINT16 & xn >>> 16) * yl + xl * (UINT16 & yn >>> 16) << 16 >>> 0);
      }
    });

    var log$6 = Math.log;
    var LOG10E = Math.LOG10E;

    // `Math.log10` method
    // https://tc39.github.io/ecma262/#sec-math.log10
    _export({ target: 'Math', stat: true }, {
      log10: function log10(x) {
        return log$6(x) * LOG10E;
      }
    });

    // `Math.log1p` method
    // https://tc39.github.io/ecma262/#sec-math.log1p
    _export({ target: 'Math', stat: true }, { log1p: mathLog1p });

    var log$7 = Math.log;
    var LN2$1 = Math.LN2;

    // `Math.log2` method
    // https://tc39.github.io/ecma262/#sec-math.log2
    _export({ target: 'Math', stat: true }, {
      log2: function log2(x) {
        return log$7(x) / LN2$1;
      }
    });

    // `Math.sign` method
    // https://tc39.github.io/ecma262/#sec-math.sign
    _export({ target: 'Math', stat: true }, {
      sign: mathSign
    });

    var abs$5 = Math.abs;
    var exp$1 = Math.exp;
    var E$1 = Math.E;

    var FORCED$d = fails(function () {
      return Math.sinh(-2e-17) != -2e-17;
    });

    // `Math.sinh` method
    // https://tc39.github.io/ecma262/#sec-math.sinh
    // V8 near Chromium 38 has a problem with very small numbers
    _export({ target: 'Math', stat: true, forced: FORCED$d }, {
      sinh: function sinh(x) {
        return abs$5(x = +x) < 1 ? (mathExpm1(x) - mathExpm1(-x)) / 2 : (exp$1(x - 1) - exp$1(-x - 1)) * (E$1 / 2);
      }
    });

    var exp$2 = Math.exp;

    // `Math.tanh` method
    // https://tc39.github.io/ecma262/#sec-math.tanh
    _export({ target: 'Math', stat: true }, {
      tanh: function tanh(x) {
        var a = mathExpm1(x = +x);
        var b = mathExpm1(-x);
        return a == Infinity ? 1 : b == Infinity ? -1 : (a - b) / (exp$2(x) + exp$2(-x));
      }
    });

    // Math[@@toStringTag] property
    // https://tc39.github.io/ecma262/#sec-math-@@tostringtag
    setToStringTag(Math, 'Math', true);

    var ceil$2 = Math.ceil;
    var floor$5 = Math.floor;

    // `Math.trunc` method
    // https://tc39.github.io/ecma262/#sec-math.trunc
    _export({ target: 'Math', stat: true }, {
      trunc: function trunc(it) {
        return (it > 0 ? floor$5 : ceil$2)(it);
      }
    });

    // `Date.now` method
    // https://tc39.github.io/ecma262/#sec-date.now
    _export({ target: 'Date', stat: true }, {
      now: function now() {
        return new Date().getTime();
      }
    });

    var FORCED$e = fails(function () {
      return new Date(NaN).toJSON() !== null
        || Date.prototype.toJSON.call({ toISOString: function () { return 1; } }) !== 1;
    });

    // `Date.prototype.toJSON` method
    // https://tc39.github.io/ecma262/#sec-date.prototype.tojson
    _export({ target: 'Date', proto: true, forced: FORCED$e }, {
      // eslint-disable-next-line no-unused-vars
      toJSON: function toJSON(key) {
        var O = toObject(this);
        var pv = toPrimitive(O);
        return typeof pv == 'number' && !isFinite(pv) ? null : O.toISOString();
      }
    });

    var padStart = stringPad.start;

    var abs$6 = Math.abs;
    var DatePrototype = Date.prototype;
    var getTime = DatePrototype.getTime;
    var nativeDateToISOString = DatePrototype.toISOString;

    // `Date.prototype.toISOString` method implementation
    // https://tc39.github.io/ecma262/#sec-date.prototype.toisostring
    // PhantomJS / old WebKit fails here:
    var dateToIsoString = (fails(function () {
      return nativeDateToISOString.call(new Date(-5e13 - 1)) != '0385-07-25T07:06:39.999Z';
    }) || !fails(function () {
      nativeDateToISOString.call(new Date(NaN));
    })) ? function toISOString() {
      if (!isFinite(getTime.call(this))) { throw RangeError('Invalid time value'); }
      var date = this;
      var year = date.getUTCFullYear();
      var milliseconds = date.getUTCMilliseconds();
      var sign = year < 0 ? '-' : year > 9999 ? '+' : '';
      return sign + padStart(abs$6(year), sign ? 6 : 4, 0) +
        '-' + padStart(date.getUTCMonth() + 1, 2, 0) +
        '-' + padStart(date.getUTCDate(), 2, 0) +
        'T' + padStart(date.getUTCHours(), 2, 0) +
        ':' + padStart(date.getUTCMinutes(), 2, 0) +
        ':' + padStart(date.getUTCSeconds(), 2, 0) +
        '.' + padStart(milliseconds, 3, 0) +
        'Z';
    } : nativeDateToISOString;

    // `Date.prototype.toISOString` method
    // https://tc39.github.io/ecma262/#sec-date.prototype.toisostring
    // PhantomJS / old WebKit has a broken implementations
    _export({ target: 'Date', proto: true, forced: Date.prototype.toISOString !== dateToIsoString }, {
      toISOString: dateToIsoString
    });

    var DatePrototype$1 = Date.prototype;
    var INVALID_DATE = 'Invalid Date';
    var TO_STRING$1 = 'toString';
    var nativeDateToString = DatePrototype$1[TO_STRING$1];
    var getTime$1 = DatePrototype$1.getTime;

    // `Date.prototype.toString` method
    // https://tc39.github.io/ecma262/#sec-date.prototype.tostring
    if (new Date(NaN) + '' != INVALID_DATE) {
      redefine(DatePrototype$1, TO_STRING$1, function toString() {
        var value = getTime$1.call(this);
        // eslint-disable-next-line no-self-compare
        return value === value ? nativeDateToString.call(this) : INVALID_DATE;
      });
    }

    var dateToPrimitive = function (hint) {
      if (hint !== 'string' && hint !== 'number' && hint !== 'default') {
        throw TypeError('Incorrect hint');
      } return toPrimitive(anObject(this), hint !== 'number');
    };

    var TO_PRIMITIVE$1 = wellKnownSymbol('toPrimitive');
    var DatePrototype$2 = Date.prototype;

    // `Date.prototype[@@toPrimitive]` method
    // https://tc39.github.io/ecma262/#sec-date.prototype-@@toprimitive
    if (!(TO_PRIMITIVE$1 in DatePrototype$2)) {
      createNonEnumerableProperty(DatePrototype$2, TO_PRIMITIVE$1, dateToPrimitive);
    }

    var $stringify$1 = getBuiltIn('JSON', 'stringify');
    var re = /[\uD800-\uDFFF]/g;
    var low = /^[\uD800-\uDBFF]$/;
    var hi = /^[\uDC00-\uDFFF]$/;

    var fix = function (match, offset, string) {
      var prev = string.charAt(offset - 1);
      var next = string.charAt(offset + 1);
      if ((low.test(match) && !hi.test(next)) || (hi.test(match) && !low.test(prev))) {
        return '\\u' + match.charCodeAt(0).toString(16);
      } return match;
    };

    var FORCED$f = fails(function () {
      return $stringify$1('\uDF06\uD834') !== '"\\udf06\\ud834"'
        || $stringify$1('\uDEAD') !== '"\\udead"';
    });

    if ($stringify$1) {
      // https://github.com/tc39/proposal-well-formed-stringify
      _export({ target: 'JSON', stat: true, forced: FORCED$f }, {
        // eslint-disable-next-line no-unused-vars
        stringify: function stringify(it, replacer, space) {
          var result = $stringify$1.apply(null, arguments);
          return typeof result == 'string' ? result.replace(re, fix) : result;
        }
      });
    }

    // JSON[@@toStringTag] property
    // https://tc39.github.io/ecma262/#sec-json-@@tostringtag
    setToStringTag(global_1.JSON, 'JSON', true);

    var nativePromiseConstructor = global_1.Promise;

    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;
    };

    var engineIsIos = /(iphone|ipod|ipad).*applewebkit/i.test(engineUserAgent);

    var location = global_1.location;
    var set$1 = 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 = {};
    var ONREADYSTATECHANGE = 'onreadystatechange';
    var defer, channel, port;

    var run = function (id) {
      // eslint-disable-next-line no-prototype-builtins
      if (queue.hasOwnProperty(id)) {
        var fn = queue[id];
        delete queue[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.protocol + '//' + location.host);
    };

    // Node.js 0.9+ & IE10+ has setImmediate, otherwise:
    if (!set$1 || !clear) {
      set$1 = function setImmediate(fn) {
        var arguments$1 = arguments;

        var args = [];
        var i = 1;
        while (arguments.length > i) { args.push(arguments$1[i++]); }
        queue[++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[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.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$1,
      clear: clear
    };

    var getOwnPropertyDescriptor$7 = 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$7(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$5 = internalState.get;
    var setInternalState$5 = 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$g = 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$1 = FORCED$g || !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$g) {
      // 25.4.3.1 Promise(executor)
      PromiseConstructor = function Promise(executor) {
        anInstance(this, PromiseConstructor, PROMISE);
        aFunction$1(executor);
        Internal.call(this);
        var state = getInternalState$5(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$5(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$5(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$g }, {
      Promise: PromiseConstructor
    });

    setToStringTag(PromiseConstructor, PROMISE, false);
    setSpecies(PROMISE);

    PromiseWrapper = getBuiltIn(PROMISE);

    // statics
    _export({ target: PROMISE, stat: true, forced: FORCED$g }, {
      // `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$g }, {
      // `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$1 }, {
      // `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;
      }
    });

    // `Promise.allSettled` method
    // https://github.com/tc39/proposal-promise-allSettled
    _export({ target: 'Promise', stat: true }, {
      allSettled: function allSettled(iterable) {
        var C = this;
        var capability = newPromiseCapability.f(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] = { status: 'fulfilled', value: value };
              --remaining || resolve(values);
            }, function (e) {
              if (alreadyCalled) { return; }
              alreadyCalled = true;
              values[index] = { status: 'rejected', reason: e };
              --remaining || resolve(values);
            });
          });
          --remaining || resolve(values);
        });
        if (result.error) { reject(result.value); }
        return capability.promise;
      }
    });

    // Safari bug https://bugs.webkit.org/show_bug.cgi?id=200829
    var NON_GENERIC = !!nativePromiseConstructor && fails(function () {
      nativePromiseConstructor.prototype['finally'].call({ then: function () { /* empty */ } }, function () { /* empty */ });
    });

    // `Promise.prototype.finally` method
    // https://tc39.github.io/ecma262/#sec-promise.prototype.finally
    _export({ target: 'Promise', proto: true, real: true, forced: NON_GENERIC }, {
      'finally': function (onFinally) {
        var C = speciesConstructor(this, getBuiltIn('Promise'));
        var isFunction = typeof onFinally == 'function';
        return this.then(
          isFunction ? function (x) {
            return promiseResolve(C, onFinally()).then(function () { return x; });
          } : onFinally,
          isFunction ? function (e) {
            return promiseResolve(C, onFinally()).then(function () { throw e; });
          } : onFinally
        );
      }
    });

    // patch native Promise.prototype for native async functions
    if ( typeof nativePromiseConstructor == 'function' && !nativePromiseConstructor.prototype['finally']) {
      redefine(nativePromiseConstructor.prototype, 'finally', getBuiltIn('Promise').prototype['finally']);
    }

    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$9 = 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$9(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);
      }
    };

    // `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);

    // `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 getWeakData = internalMetadata.getWeakData;








    var setInternalState$7 = internalState.set;
    var internalStateGetterFor$1 = internalState.getterFor;
    var find = arrayIteration.find;
    var findIndex = arrayIteration.findIndex;
    var id$1 = 0;

    // fallback for uncaught frozen keys
    var uncaughtFrozenStore = function (store) {
      return store.frozen || (store.frozen = new UncaughtFrozenStore());
    };

    var UncaughtFrozenStore = function () {
      this.entries = [];
    };

    var findUncaughtFrozen = function (store, key) {
      return find(store.entries, function (it) {
        return it[0] === key;
      });
    };

    UncaughtFrozenStore.prototype = {
      get: function (key) {
        var entry = findUncaughtFrozen(this, key);
        if (entry) { return entry[1]; }
      },
      has: function (key) {
        return !!findUncaughtFrozen(this, key);
      },
      set: function (key, value) {
        var entry = findUncaughtFrozen(this, key);
        if (entry) { entry[1] = value; }
        else { this.entries.push([key, value]); }
      },
      'delete': function (key) {
        var index = findIndex(this.entries, function (it) {
          return it[0] === key;
        });
        if (~index) { this.entries.splice(index, 1); }
        return !!~index;
      }
    };

    var collectionWeak = {
      getConstructor: function (wrapper, CONSTRUCTOR_NAME, IS_MAP, ADDER) {
        var C = wrapper(function (that, iterable) {
          anInstance(that, C, CONSTRUCTOR_NAME);
          setInternalState$7(that, {
            type: CONSTRUCTOR_NAME,
            id: id$1++,
            frozen: undefined
          });
          if (iterable != undefined) { iterate_1(iterable, that[ADDER], that, IS_MAP); }
        });

        var getInternalState = internalStateGetterFor$1(CONSTRUCTOR_NAME);

        var define = function (that, key, value) {
          var state = getInternalState(that);
          var data = getWeakData(anObject(key), true);
          if (data === true) { uncaughtFrozenStore(state).set(key, value); }
          else { data[state.id] = value; }
          return that;
        };

        redefineAll(C.prototype, {
          // 23.3.3.2 WeakMap.prototype.delete(key)
          // 23.4.3.3 WeakSet.prototype.delete(value)
          'delete': function (key) {
            var state = getInternalState(this);
            if (!isObject(key)) { return false; }
            var data = getWeakData(key);
            if (data === true) { return uncaughtFrozenStore(state)['delete'](key); }
            return data && has(data, state.id) && delete data[state.id];
          },
          // 23.3.3.4 WeakMap.prototype.has(key)
          // 23.4.3.4 WeakSet.prototype.has(value)
          has: function has$1(key) {
            var state = getInternalState(this);
            if (!isObject(key)) { return false; }
            var data = getWeakData(key);
            if (data === true) { return uncaughtFrozenStore(state).has(key); }
            return data && has(data, state.id);
          }
        });

        redefineAll(C.prototype, IS_MAP ? {
          // 23.3.3.3 WeakMap.prototype.get(key)
          get: function get(key) {
            var state = getInternalState(this);
            if (isObject(key)) {
              var data = getWeakData(key);
              if (data === true) { return uncaughtFrozenStore(state).get(key); }
              return data ? data[state.id] : undefined;
            }
          },
          // 23.3.3.5 WeakMap.prototype.set(key, value)
          set: function set(key, value) {
            return define(this, key, value);
          }
        } : {
          // 23.4.3.1 WeakSet.prototype.add(value)
          add: function add(value) {
            return define(this, value, true);
          }
        });

        return C;
      }
    };

    var es_weakMap = createCommonjsModule(function (module) {






    var enforceIternalState = internalState.enforce;


    var IS_IE11 = !global_1.ActiveXObject && 'ActiveXObject' in global_1;
    var isExtensible = Object.isExtensible;
    var InternalWeakMap;

    var wrapper = function (init) {
      return function WeakMap() {
        return init(this, arguments.length ? arguments[0] : undefined);
      };
    };

    // `WeakMap` constructor
    // https://tc39.github.io/ecma262/#sec-weakmap-constructor
    var $WeakMap = module.exports = collection('WeakMap', wrapper, collectionWeak);

    // IE11 WeakMap frozen keys fix
    // We can't use feature detection because it crash some old IE builds
    // https://github.com/zloirock/core-js/issues/485
    if (nativeWeakMap && IS_IE11) {
      InternalWeakMap = collectionWeak.getConstructor(wrapper, 'WeakMap', true);
      internalMetadata.REQUIRED = true;
      var WeakMapPrototype = $WeakMap.prototype;
      var nativeDelete = WeakMapPrototype['delete'];
      var nativeHas = WeakMapPrototype.has;
      var nativeGet = WeakMapPrototype.get;
      var nativeSet = WeakMapPrototype.set;
      redefineAll(WeakMapPrototype, {
        'delete': function (key) {
          if (isObject(key) && !isExtensible(key)) {
            var state = enforceIternalState(this);
            if (!state.frozen) { state.frozen = new InternalWeakMap(); }
            return nativeDelete.call(this, key) || state.frozen['delete'](key);
          } return nativeDelete.call(this, key);
        },
        has: function has(key) {
          if (isObject(key) && !isExtensible(key)) {
            var state = enforceIternalState(this);
            if (!state.frozen) { state.frozen = new InternalWeakMap(); }
            return nativeHas.call(this, key) || state.frozen.has(key);
          } return nativeHas.call(this, key);
        },
        get: function get(key) {
          if (isObject(key) && !isExtensible(key)) {
            var state = enforceIternalState(this);
            if (!state.frozen) { state.frozen = new InternalWeakMap(); }
            return nativeHas.call(this, key) ? nativeGet.call(this, key) : state.frozen.get(key);
          } return nativeGet.call(this, key);
        },
        set: function set(key, value) {
          if (isObject(key) && !isExtensible(key)) {
            var state = enforceIternalState(this);
            if (!state.frozen) { state.frozen = new InternalWeakMap(); }
            nativeHas.call(this, key) ? nativeSet.call(this, key, value) : state.frozen.set(key, value);
          } else { nativeSet.call(this, key, value); }
          return this;
        }
      });
    }
    });

    // `WeakSet` constructor
    // https://tc39.github.io/ecma262/#sec-weakset-constructor
    collection('WeakSet', function (init) {
      return function WeakSet() { return init(this, arguments.length ? arguments[0] : undefined); };
    }, collectionWeak);

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

    // `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$7 = Math.abs;
    var pow$3 = Math.pow;
    var floor$6 = Math.floor;
    var log$8 = Math.log;
    var LN2$2 = 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$3(2, -24) - pow$3(2, -77) : 0;
      var sign = number < 0 || number === 0 && 1 / number < 0 ? 1 : 0;
      var index = 0;
      var exponent, mantissa, c;
      number = abs$7(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$6(log$8(number) / LN2$2);
        if (number * (c = pow$3(2, -exponent)) < 1) {
          exponent--;
          c *= 2;
        }
        if (exponent + eBias >= 1) {
          number += rt / c;
        } else {
          number += rt * pow$3(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$3(2, mantissaLength);
          exponent = exponent + eBias;
        } else {
          mantissa = number * pow$3(2, eBias - 1) * pow$3(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$3(2, mantissaLength);
        exponent = exponent - eBias;
      } return (sign ? -1 : 1) * mantissa * pow$3(2, exponent - mantissaLength);
    };

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

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




    var getInternalState$6 = internalState.get;
    var setInternalState$8 = 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$a(Constructor[PROTOTYPE$2], key, { get: function () { return getInternalState$6(this)[key]; } });
    };

    var get$1 = function (view, count, index, isLittleEndian) {
      var intIndex = toIndex(index);
      var store = getInternalState$6(view);
      if (intIndex + count > store.byteLength) { throw RangeError$1(WRONG_INDEX); }
      var bytes = getInternalState$6(store.buffer).bytes;
      var start = intIndex + store.byteOffset;
      var pack = bytes.slice(start, start + count);
      return isLittleEndian ? pack : pack.reverse();
    };

    var set$2 = function (view, count, index, conversion, value, isLittleEndian) {
      var intIndex = toIndex(index);
      var store = getInternalState$6(view);
      if (intIndex + count > store.byteLength) { throw RangeError$1(WRONG_INDEX); }
      var bytes = getInternalState$6(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$8(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$6(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$8(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$2(this, 1, byteOffset, packInt8, value);
        },
        setUint8: function setUint8(byteOffset, value) {
          set$2(this, 1, byteOffset, packInt8, value);
        },
        setInt16: function setInt16(byteOffset, value /* , littleEndian */) {
          set$2(this, 2, byteOffset, packInt16, value, arguments.length > 2 ? arguments[2] : undefined);
        },
        setUint16: function setUint16(byteOffset, value /* , littleEndian */) {
          set$2(this, 2, byteOffset, packInt16, value, arguments.length > 2 ? arguments[2] : undefined);
        },
        setInt32: function setInt32(byteOffset, value /* , littleEndian */) {
          set$2(this, 4, byteOffset, packInt32, value, arguments.length > 2 ? arguments[2] : undefined);
        },
        setUint32: function setUint32(byteOffset, value /* , littleEndian */) {
          set$2(this, 4, byteOffset, packInt32, value, arguments.length > 2 ? arguments[2] : undefined);
        },
        setFloat32: function setFloat32(byteOffset, value /* , littleEndian */) {
          set$2(this, 4, byteOffset, packFloat32, value, arguments.length > 2 ? arguments[2] : undefined);
        },
        setFloat64: function setFloat64(byteOffset, value /* , littleEndian */) {
          set$2(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 defineProperty$b = 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$3)) {
      TYPED_ARRAY_TAG_REQIRED = true;
      defineProperty$b(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
    };

    var NATIVE_ARRAY_BUFFER_VIEWS$1 = arrayBufferViewCore.NATIVE_ARRAY_BUFFER_VIEWS;

    // `ArrayBuffer.isView` method
    // https://tc39.github.io/ecma262/#sec-arraybuffer.isview
    _export({ target: 'ArrayBuffer', stat: true, forced: !NATIVE_ARRAY_BUFFER_VIEWS$1 }, {
      isView: arrayBufferViewCore.isView
    });

    var ArrayBuffer$2 = arrayBuffer.ArrayBuffer;
    var DataView$1 = arrayBuffer.DataView;
    var nativeArrayBufferSlice = ArrayBuffer$2.prototype.slice;

    var INCORRECT_SLICE = fails(function () {
      return !new ArrayBuffer$2(2).slice(1, undefined).byteLength;
    });

    // `ArrayBuffer.prototype.slice` method
    // https://tc39.github.io/ecma262/#sec-arraybuffer.prototype.slice
    _export({ target: 'ArrayBuffer', proto: true, unsafe: true, forced: INCORRECT_SLICE }, {
      slice: function slice(start, end) {
        if (nativeArrayBufferSlice !== undefined && end === undefined) {
          return nativeArrayBufferSlice.call(anObject(this), start); // FF fix
        }
        var length = anObject(this).byteLength;
        var first = toAbsoluteIndex(start, length);
        var fin = toAbsoluteIndex(end === undefined ? length : end, length);
        var result = new (speciesConstructor(this, ArrayBuffer$2))(toLength(fin - first));
        var viewSource = new DataView$1(this);
        var viewTarget = new DataView$1(result);
        var index = 0;
        while (first < fin) {
          viewTarget.setUint8(index++, viewSource.getUint8(first++));
        } return result;
      }
    });

    // `DataView` constructor
    // https://tc39.github.io/ecma262/#sec-dataview-constructor
    _export({ global: true, forced: !arrayBufferNative }, {
      DataView: arrayBuffer.DataView
    });

    /* eslint-disable no-new */



    var NATIVE_ARRAY_BUFFER_VIEWS$2 = arrayBufferViewCore.NATIVE_ARRAY_BUFFER_VIEWS;

    var ArrayBuffer$3 = global_1.ArrayBuffer;
    var Int8Array$2 = global_1.Int8Array;

    var typedArrayConstructorsRequireWrappers = !NATIVE_ARRAY_BUFFER_VIEWS$2 || !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$3(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 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 */ }; }
    });

    // `Int8Array` constructor
    // https://tc39.github.io/ecma262/#sec-typedarray-objects
    typedArrayConstructor('Int8', function (init) {
      return function Int8Array(data, byteOffset, length) {
        return init(this, data, byteOffset, length);
      };
    });

    // `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);
      };
    });

    // `Uint8ClampedArray` constructor
    // https://tc39.github.io/ecma262/#sec-typedarray-objects
    typedArrayConstructor('Uint8', function (init) {
      return function Uint8ClampedArray(data, byteOffset, length) {
        return init(this, data, byteOffset, length);
      };
    }, true);

    // `Int16Array` constructor
    // https://tc39.github.io/ecma262/#sec-typedarray-objects
    typedArrayConstructor('Int16', function (init) {
      return function Int16Array(data, byteOffset, length) {
        return init(this, data, byteOffset, length);
      };
    });

    // `Uint16Array` constructor
    // https://tc39.github.io/ecma262/#sec-typedarray-objects
    typedArrayConstructor('Uint16', function (init) {
      return function Uint16Array(data, byteOffset, length) {
        return init(this, data, byteOffset, length);
      };
    });

    // `Int32Array` constructor
    // https://tc39.github.io/ecma262/#sec-typedarray-objects
    typedArrayConstructor('Int32', function (init) {
      return function Int32Array(data, byteOffset, length) {
        return init(this, data, byteOffset, length);
      };
    });

    // `Uint32Array` constructor
    // https://tc39.github.io/ecma262/#sec-typedarray-objects
    typedArrayConstructor('Uint32', function (init) {
      return function Uint32Array(data, byteOffset, length) {
        return init(this, data, byteOffset, length);
      };
    });

    // `Float32Array` constructor
    // https://tc39.github.io/ecma262/#sec-typedarray-objects
    typedArrayConstructor('Float32', function (init) {
      return function Float32Array(data, byteOffset, length) {
        return init(this, data, byteOffset, length);
      };
    });

    // `Float64Array` constructor
    // https://tc39.github.io/ecma262/#sec-typedarray-objects
    typedArrayConstructor('Float64', function (init) {
      return function Float64Array(data, byteOffset, length) {
        return init(this, data, byteOffset, length);
      };
    });

    var exportTypedArrayStaticMethod$1 = arrayBufferViewCore.exportTypedArrayStaticMethod;


    // `%TypedArray%.from` method
    // https://tc39.github.io/ecma262/#sec-%typedarray%.from
    exportTypedArrayStaticMethod$1('from', typedArrayFrom, typedArrayConstructorsRequireWrappers);

    var aTypedArrayConstructor$2 = arrayBufferViewCore.aTypedArrayConstructor;
    var exportTypedArrayStaticMethod$2 = arrayBufferViewCore.exportTypedArrayStaticMethod;

    // `%TypedArray%.of` method
    // https://tc39.github.io/ecma262/#sec-%typedarray%.of
    exportTypedArrayStaticMethod$2('of', function of(/* ...items */) {
      var arguments$1 = arguments;

      var index = 0;
      var length = arguments.length;
      var result = new (aTypedArrayConstructor$2(this))(length);
      while (length > index) { result[index] = arguments$1[index++]; }
      return result;
    }, typedArrayConstructorsRequireWrappers);

    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$1 = 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$1(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$3 = 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$3(C))(length);
      while (length > index) { result[index] = list[index++]; }
      return result;
    });

    var $find$1 = 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$1(aTypedArray$5(this), predicate, arguments.length > 1 ? arguments[1] : undefined);
    });

    var $findIndex$1 = 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$1(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$4 = arrayBufferViewCore.aTypedArrayConstructor;
    var exportTypedArrayMethod$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$4(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$1 = 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$1(aTypedArray$f(this), callbackfn, arguments.length, arguments.length > 1 ? arguments[1] : undefined);
    });

    var aTypedArray$g = arrayBufferViewCore.aTypedArray;
    var exportTypedArrayMethod$g = arrayBufferViewCore.exportTypedArrayMethod;
    var floor$7 = 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$7(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$h = 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$h);

    var aTypedArray$i = arrayBufferViewCore.aTypedArray;
    var aTypedArrayConstructor$5 = arrayBufferViewCore.aTypedArrayConstructor;
    var exportTypedArrayMethod$i = arrayBufferViewCore.exportTypedArrayMethod;
    var $slice = [].slice;

    var FORCED$i = 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$5(C))(length);
      while (length > index) { result[index] = list[index++]; }
      return result;
    }, FORCED$i);

    var $some$1 = 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$1(aTypedArray$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$j = 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$m(this), arguments);
    }, FORCED$j);

    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);

    var nativeApply = getBuiltIn('Reflect', 'apply');
    var functionApply = Function.apply;

    // MS Edge argumentsList argument is optional
    var OPTIONAL_ARGUMENTS_LIST = !fails(function () {
      nativeApply(function () { /* empty */ });
    });

    // `Reflect.apply` method
    // https://tc39.github.io/ecma262/#sec-reflect.apply
    _export({ target: 'Reflect', stat: true, forced: OPTIONAL_ARGUMENTS_LIST }, {
      apply: function apply(target, thisArgument, argumentsList) {
        aFunction$1(target);
        anObject(argumentsList);
        return nativeApply
          ? nativeApply(target, thisArgument, argumentsList)
          : functionApply.call(target, thisArgument, argumentsList);
      }
    });

    var nativeConstruct = getBuiltIn('Reflect', 'construct');

    // `Reflect.construct` method
    // https://tc39.github.io/ecma262/#sec-reflect.construct
    // MS Edge supports only 2 arguments and argumentsList argument is optional
    // FF Nightly sets third argument as `new.target`, but does not create `this` from it
    var NEW_TARGET_BUG = fails(function () {
      function F() { /* empty */ }
      return !(nativeConstruct(function () { /* empty */ }, [], F) instanceof F);
    });
    var ARGS_BUG = !fails(function () {
      nativeConstruct(function () { /* empty */ });
    });
    var FORCED$k = NEW_TARGET_BUG || ARGS_BUG;

    _export({ target: 'Reflect', stat: true, forced: FORCED$k, sham: FORCED$k }, {
      construct: function construct(Target, args /* , newTarget */) {
        aFunction$1(Target);
        anObject(args);
        var newTarget = arguments.length < 3 ? Target : aFunction$1(arguments[2]);
        if (ARGS_BUG && !NEW_TARGET_BUG) { return nativeConstruct(Target, args, newTarget); }
        if (Target == newTarget) {
          // w/o altered newTarget, optimization for 0-4 arguments
          switch (args.length) {
            case 0: return new Target();
            case 1: return new Target(args[0]);
            case 2: return new Target(args[0], args[1]);
            case 3: return new Target(args[0], args[1], args[2]);
            case 4: return new Target(args[0], args[1], args[2], args[3]);
          }
          // w/o altered newTarget, lot of arguments case
          var $args = [null];
          $args.push.apply($args, args);
          return new (functionBind.apply(Target, $args))();
        }
        // with altered newTarget, not support built-in constructors
        var proto = newTarget.prototype;
        var instance = objectCreate(isObject(proto) ? proto : Object.prototype);
        var result = Function.apply.call(Target, instance, args);
        return isObject(result) ? result : instance;
      }
    });

    // MS Edge has broken Reflect.defineProperty - throwing instead of returning false
    var ERROR_INSTEAD_OF_FALSE = fails(function () {
      // eslint-disable-next-line no-undef
      Reflect.defineProperty(objectDefineProperty.f({}, 1, { value: 1 }), 1, { value: 2 });
    });

    // `Reflect.defineProperty` method
    // https://tc39.github.io/ecma262/#sec-reflect.defineproperty
    _export({ target: 'Reflect', stat: true, forced: ERROR_INSTEAD_OF_FALSE, sham: !descriptors }, {
      defineProperty: function defineProperty(target, propertyKey, attributes) {
        anObject(target);
        var key = toPrimitive(propertyKey, true);
        anObject(attributes);
        try {
          objectDefineProperty.f(target, key, attributes);
          return true;
        } catch (error) {
          return false;
        }
      }
    });

    var getOwnPropertyDescriptor$8 = objectGetOwnPropertyDescriptor.f;

    // `Reflect.deleteProperty` method
    // https://tc39.github.io/ecma262/#sec-reflect.deleteproperty
    _export({ target: 'Reflect', stat: true }, {
      deleteProperty: function deleteProperty(target, propertyKey) {
        var descriptor = getOwnPropertyDescriptor$8(anObject(target), propertyKey);
        return descriptor && !descriptor.configurable ? false : delete target[propertyKey];
      }
    });

    // `Reflect.get` method
    // https://tc39.github.io/ecma262/#sec-reflect.get
    function get$2(target, propertyKey /* , receiver */) {
      var receiver = arguments.length < 3 ? target : arguments[2];
      var descriptor, prototype;
      if (anObject(target) === receiver) { return target[propertyKey]; }
      if (descriptor = objectGetOwnPropertyDescriptor.f(target, propertyKey)) { return has(descriptor, 'value')
        ? descriptor.value
        : descriptor.get === undefined
          ? undefined
          : descriptor.get.call(receiver); }
      if (isObject(prototype = objectGetPrototypeOf(target))) { return get$2(prototype, propertyKey, receiver); }
    }

    _export({ target: 'Reflect', stat: true }, {
      get: get$2
    });

    // `Reflect.getOwnPropertyDescriptor` method
    // https://tc39.github.io/ecma262/#sec-reflect.getownpropertydescriptor
    _export({ target: 'Reflect', stat: true, sham: !descriptors }, {
      getOwnPropertyDescriptor: function getOwnPropertyDescriptor(target, propertyKey) {
        return objectGetOwnPropertyDescriptor.f(anObject(target), propertyKey);
      }
    });

    // `Reflect.getPrototypeOf` method
    // https://tc39.github.io/ecma262/#sec-reflect.getprototypeof
    _export({ target: 'Reflect', stat: true, sham: !correctPrototypeGetter }, {
      getPrototypeOf: function getPrototypeOf(target) {
        return objectGetPrototypeOf(anObject(target));
      }
    });

    // `Reflect.has` method
    // https://tc39.github.io/ecma262/#sec-reflect.has
    _export({ target: 'Reflect', stat: true }, {
      has: function has(target, propertyKey) {
        return propertyKey in target;
      }
    });

    var objectIsExtensible = Object.isExtensible;

    // `Reflect.isExtensible` method
    // https://tc39.github.io/ecma262/#sec-reflect.isextensible
    _export({ target: 'Reflect', stat: true }, {
      isExtensible: function isExtensible(target) {
        anObject(target);
        return objectIsExtensible ? objectIsExtensible(target) : true;
      }
    });

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

    // `Reflect.preventExtensions` method
    // https://tc39.github.io/ecma262/#sec-reflect.preventextensions
    _export({ target: 'Reflect', stat: true, sham: !freezing }, {
      preventExtensions: function preventExtensions(target) {
        anObject(target);
        try {
          var objectPreventExtensions = getBuiltIn('Object', 'preventExtensions');
          if (objectPreventExtensions) { objectPreventExtensions(target); }
          return true;
        } catch (error) {
          return false;
        }
      }
    });

    // `Reflect.set` method
    // https://tc39.github.io/ecma262/#sec-reflect.set
    function set$3(target, propertyKey, V /* , receiver */) {
      var receiver = arguments.length < 4 ? target : arguments[3];
      var ownDescriptor = objectGetOwnPropertyDescriptor.f(anObject(target), propertyKey);
      var existingDescriptor, prototype;
      if (!ownDescriptor) {
        if (isObject(prototype = objectGetPrototypeOf(target))) {
          return set$3(prototype, propertyKey, V, receiver);
        }
        ownDescriptor = createPropertyDescriptor(0);
      }
      if (has(ownDescriptor, 'value')) {
        if (ownDescriptor.writable === false || !isObject(receiver)) { return false; }
        if (existingDescriptor = objectGetOwnPropertyDescriptor.f(receiver, propertyKey)) {
          if (existingDescriptor.get || existingDescriptor.set || existingDescriptor.writable === false) { return false; }
          existingDescriptor.value = V;
          objectDefineProperty.f(receiver, propertyKey, existingDescriptor);
        } else { objectDefineProperty.f(receiver, propertyKey, createPropertyDescriptor(0, V)); }
        return true;
      }
      return ownDescriptor.set === undefined ? false : (ownDescriptor.set.call(receiver, V), true);
    }

    // MS Edge 17-18 Reflect.set allows setting the property to object
    // with non-writable property on the prototype
    var MS_EDGE_BUG = fails(function () {
      var object = objectDefineProperty.f({}, 'a', { configurable: true });
      // eslint-disable-next-line no-undef
      return Reflect.set(objectGetPrototypeOf(object), 'a', 1, object) !== false;
    });

    _export({ target: 'Reflect', stat: true, forced: MS_EDGE_BUG }, {
      set: set$3
    });

    // `Reflect.setPrototypeOf` method
    // https://tc39.github.io/ecma262/#sec-reflect.setprototypeof
    if (objectSetPrototypeOf) { _export({ target: 'Reflect', stat: true }, {
      setPrototypeOf: function setPrototypeOf(target, proto) {
        anObject(target);
        aPossiblePrototype(proto);
        try {
          objectSetPrototypeOf(target, proto);
          return true;
        } catch (error) {
          return false;
        }
      }
    }); }

    // TODO: in core-js@4, move /modules/ dependencies to public entries for better optimization by tools like `preset-env`




    var metadata = shared('metadata');
    var store$2 = metadata.store || (metadata.store = new es_weakMap());

    var getOrCreateMetadataMap = function (target, targetKey, create) {
      var targetMetadata = store$2.get(target);
      if (!targetMetadata) {
        if (!create) { return; }
        store$2.set(target, targetMetadata = new es_map());
      }
      var keyMetadata = targetMetadata.get(targetKey);
      if (!keyMetadata) {
        if (!create) { return; }
        targetMetadata.set(targetKey, keyMetadata = new es_map());
      } return keyMetadata;
    };

    var ordinaryHasOwnMetadata = function (MetadataKey, O, P) {
      var metadataMap = getOrCreateMetadataMap(O, P, false);
      return metadataMap === undefined ? false : metadataMap.has(MetadataKey);
    };

    var ordinaryGetOwnMetadata = function (MetadataKey, O, P) {
      var metadataMap = getOrCreateMetadataMap(O, P, false);
      return metadataMap === undefined ? undefined : metadataMap.get(MetadataKey);
    };

    var ordinaryDefineOwnMetadata = function (MetadataKey, MetadataValue, O, P) {
      getOrCreateMetadataMap(O, P, true).set(MetadataKey, MetadataValue);
    };

    var ordinaryOwnMetadataKeys = function (target, targetKey) {
      var metadataMap = getOrCreateMetadataMap(target, targetKey, false);
      var keys = [];
      if (metadataMap) { metadataMap.forEach(function (_, key) { keys.push(key); }); }
      return keys;
    };

    var toMetadataKey = function (it) {
      return it === undefined || typeof it == 'symbol' ? it : String(it);
    };

    var reflectMetadata = {
      store: store$2,
      getMap: getOrCreateMetadataMap,
      has: ordinaryHasOwnMetadata,
      get: ordinaryGetOwnMetadata,
      set: ordinaryDefineOwnMetadata,
      keys: ordinaryOwnMetadataKeys,
      toKey: toMetadataKey
    };

    var toMetadataKey$1 = reflectMetadata.toKey;
    var ordinaryDefineOwnMetadata$1 = reflectMetadata.set;

    // `Reflect.defineMetadata` method
    // https://github.com/rbuckton/reflect-metadata
    _export({ target: 'Reflect', stat: true }, {
      defineMetadata: function defineMetadata(metadataKey, metadataValue, target /* , targetKey */) {
        var targetKey = arguments.length < 4 ? undefined : toMetadataKey$1(arguments[3]);
        ordinaryDefineOwnMetadata$1(metadataKey, metadataValue, anObject(target), targetKey);
      }
    });

    var toMetadataKey$2 = reflectMetadata.toKey;
    var getOrCreateMetadataMap$1 = reflectMetadata.getMap;
    var store$3 = reflectMetadata.store;

    // `Reflect.deleteMetadata` method
    // https://github.com/rbuckton/reflect-metadata
    _export({ target: 'Reflect', stat: true }, {
      deleteMetadata: function deleteMetadata(metadataKey, target /* , targetKey */) {
        var targetKey = arguments.length < 3 ? undefined : toMetadataKey$2(arguments[2]);
        var metadataMap = getOrCreateMetadataMap$1(anObject(target), targetKey, false);
        if (metadataMap === undefined || !metadataMap['delete'](metadataKey)) { return false; }
        if (metadataMap.size) { return true; }
        var targetMetadata = store$3.get(target);
        targetMetadata['delete'](targetKey);
        return !!targetMetadata.size || store$3['delete'](target);
      }
    });

    var ordinaryHasOwnMetadata$1 = reflectMetadata.has;
    var ordinaryGetOwnMetadata$1 = reflectMetadata.get;
    var toMetadataKey$3 = reflectMetadata.toKey;

    var ordinaryGetMetadata = function (MetadataKey, O, P) {
      var hasOwn = ordinaryHasOwnMetadata$1(MetadataKey, O, P);
      if (hasOwn) { return ordinaryGetOwnMetadata$1(MetadataKey, O, P); }
      var parent = objectGetPrototypeOf(O);
      return parent !== null ? ordinaryGetMetadata(MetadataKey, parent, P) : undefined;
    };

    // `Reflect.getMetadata` method
    // https://github.com/rbuckton/reflect-metadata
    _export({ target: 'Reflect', stat: true }, {
      getMetadata: function getMetadata(metadataKey, target /* , targetKey */) {
        var targetKey = arguments.length < 3 ? undefined : toMetadataKey$3(arguments[2]);
        return ordinaryGetMetadata(metadataKey, anObject(target), targetKey);
      }
    });

    // TODO: in core-js@4, move /modules/ dependencies to public entries for better optimization by tools like `preset-env`






    var ordinaryOwnMetadataKeys$1 = reflectMetadata.keys;
    var toMetadataKey$4 = reflectMetadata.toKey;

    var from = function (iter) {
      var result = [];
      iterate_1(iter, result.push, result);
      return result;
    };

    var ordinaryMetadataKeys = function (O, P) {
      var oKeys = ordinaryOwnMetadataKeys$1(O, P);
      var parent = objectGetPrototypeOf(O);
      if (parent === null) { return oKeys; }
      var pKeys = ordinaryMetadataKeys(parent, P);
      return pKeys.length ? oKeys.length ? from(new es_set(oKeys.concat(pKeys))) : pKeys : oKeys;
    };

    // `Reflect.getMetadataKeys` method
    // https://github.com/rbuckton/reflect-metadata
    _export({ target: 'Reflect', stat: true }, {
      getMetadataKeys: function getMetadataKeys(target /* , targetKey */) {
        var targetKey = arguments.length < 2 ? undefined : toMetadataKey$4(arguments[1]);
        return ordinaryMetadataKeys(anObject(target), targetKey);
      }
    });

    var ordinaryGetOwnMetadata$2 = reflectMetadata.get;
    var toMetadataKey$5 = reflectMetadata.toKey;

    // `Reflect.getOwnMetadata` method
    // https://github.com/rbuckton/reflect-metadata
    _export({ target: 'Reflect', stat: true }, {
      getOwnMetadata: function getOwnMetadata(metadataKey, target /* , targetKey */) {
        var targetKey = arguments.length < 3 ? undefined : toMetadataKey$5(arguments[2]);
        return ordinaryGetOwnMetadata$2(metadataKey, anObject(target), targetKey);
      }
    });

    var ordinaryOwnMetadataKeys$2 = reflectMetadata.keys;
    var toMetadataKey$6 = reflectMetadata.toKey;

    // `Reflect.getOwnMetadataKeys` method
    // https://github.com/rbuckton/reflect-metadata
    _export({ target: 'Reflect', stat: true }, {
      getOwnMetadataKeys: function getOwnMetadataKeys(target /* , targetKey */) {
        var targetKey = arguments.length < 2 ? undefined : toMetadataKey$6(arguments[1]);
        return ordinaryOwnMetadataKeys$2(anObject(target), targetKey);
      }
    });

    var ordinaryHasOwnMetadata$2 = reflectMetadata.has;
    var toMetadataKey$7 = reflectMetadata.toKey;

    var ordinaryHasMetadata = function (MetadataKey, O, P) {
      var hasOwn = ordinaryHasOwnMetadata$2(MetadataKey, O, P);
      if (hasOwn) { return true; }
      var parent = objectGetPrototypeOf(O);
      return parent !== null ? ordinaryHasMetadata(MetadataKey, parent, P) : false;
    };

    // `Reflect.hasMetadata` method
    // https://github.com/rbuckton/reflect-metadata
    _export({ target: 'Reflect', stat: true }, {
      hasMetadata: function hasMetadata(metadataKey, target /* , targetKey */) {
        var targetKey = arguments.length < 3 ? undefined : toMetadataKey$7(arguments[2]);
        return ordinaryHasMetadata(metadataKey, anObject(target), targetKey);
      }
    });

    var ordinaryHasOwnMetadata$3 = reflectMetadata.has;
    var toMetadataKey$8 = reflectMetadata.toKey;

    // `Reflect.hasOwnMetadata` method
    // https://github.com/rbuckton/reflect-metadata
    _export({ target: 'Reflect', stat: true }, {
      hasOwnMetadata: function hasOwnMetadata(metadataKey, target /* , targetKey */) {
        var targetKey = arguments.length < 3 ? undefined : toMetadataKey$8(arguments[2]);
        return ordinaryHasOwnMetadata$3(metadataKey, anObject(target), targetKey);
      }
    });

    var toMetadataKey$9 = reflectMetadata.toKey;
    var ordinaryDefineOwnMetadata$2 = reflectMetadata.set;

    // `Reflect.metadata` method
    // https://github.com/rbuckton/reflect-metadata
    _export({ target: 'Reflect', stat: true }, {
      metadata: function metadata(metadataKey, metadataValue) {
        return function decorator(target, key) {
          ordinaryDefineOwnMetadata$2(metadataKey, metadataValue, anObject(target), toMetadataKey$9(key));
        };
      }
    });

    // `Math.iaddh` method
    // https://gist.github.com/BrendanEich/4294d5c212a6d2254703
    // TODO: Remove from `core-js@4`
    _export({ target: 'Math', stat: true }, {
      iaddh: function iaddh(x0, x1, y0, y1) {
        var $x0 = x0 >>> 0;
        var $x1 = x1 >>> 0;
        var $y0 = y0 >>> 0;
        return $x1 + (y1 >>> 0) + (($x0 & $y0 | ($x0 | $y0) & ~($x0 + $y0 >>> 0)) >>> 31) | 0;
      }
    });

    // `Math.isubh` method
    // https://gist.github.com/BrendanEich/4294d5c212a6d2254703
    // TODO: Remove from `core-js@4`
    _export({ target: 'Math', stat: true }, {
      isubh: function isubh(x0, x1, y0, y1) {
        var $x0 = x0 >>> 0;
        var $x1 = x1 >>> 0;
        var $y0 = y0 >>> 0;
        return $x1 - (y1 >>> 0) - ((~$x0 & $y0 | ~($x0 ^ $y0) & $x0 - $y0 >>> 0) >>> 31) | 0;
      }
    });

    // `Math.imulh` method
    // https://gist.github.com/BrendanEich/4294d5c212a6d2254703
    // TODO: Remove from `core-js@4`
    _export({ target: 'Math', stat: true }, {
      imulh: function imulh(u, v) {
        var UINT16 = 0xFFFF;
        var $u = +u;
        var $v = +v;
        var u0 = $u & UINT16;
        var v0 = $v & UINT16;
        var u1 = $u >> 16;
        var v1 = $v >> 16;
        var t = (u1 * v0 >>> 0) + (u0 * v0 >>> 16);
        return u1 * v1 + (t >> 16) + ((u0 * v1 >>> 0) + (t & UINT16) >> 16);
      }
    });

    // `Math.umulh` method
    // https://gist.github.com/BrendanEich/4294d5c212a6d2254703
    // TODO: Remove from `core-js@4`
    _export({ target: 'Math', stat: true }, {
      umulh: function umulh(u, v) {
        var UINT16 = 0xFFFF;
        var $u = +u;
        var $v = +v;
        var u0 = $u & UINT16;
        var v0 = $v & UINT16;
        var u1 = $u >>> 16;
        var v1 = $v >>> 16;
        var t = (u1 * v0 >>> 0) + (u0 * v0 >>> 16);
        return u1 * v1 + (t >>> 16) + ((u0 * v1 >>> 0) + (t & UINT16) >>> 16);
      }
    });

    var charAt$2 = stringMultibyte.charAt;

    // `String.prototype.at` method
    // https://github.com/mathiasbynens/String.prototype.at
    _export({ target: 'String', proto: true }, {
      at: function at(pos) {
        return charAt$2(this, pos);
      }
    });

    var ITERATOR$6 = wellKnownSymbol('iterator');

    var nativeUrl = !fails(function () {
      var url = new URL('b?a=1&b=2&c=3', 'http://a');
      var searchParams = url.searchParams;
      var result = '';
      url.pathname = 'c%20d';
      searchParams.forEach(function (value, key) {
        searchParams['delete']('b');
        result += key + value;
      });
      return (isPure && !url.toJSON)
        || !searchParams.sort
        || url.href !== 'http://a/c%20d?a=1&c=3'
        || searchParams.get('c') !== '3'
        || String(new URLSearchParams('?a=1')) !== 'a=1'
        || !searchParams[ITERATOR$6]
        // throws in Edge
        || new URL('https://a@b').username !== 'a'
        || new URLSearchParams(new URLSearchParams('a=b')).get('a') !== 'b'
        // not punycoded in Edge
        || new URL('http://тест').host !== 'xn--e1aybc'
        // not escaped in Chrome 62-
        || new URL('http://a#б').hash !== '#%D0%B1'
        // fails in Chrome 66-
        || result !== 'a1c3'
        // throws in Safari
        || new URL('http://x', undefined).host !== 'x';
    });

    // based on https://github.com/bestiejs/punycode.js/blob/master/punycode.js
    var maxInt = 2147483647; // aka. 0x7FFFFFFF or 2^31-1
    var base = 36;
    var tMin = 1;
    var tMax = 26;
    var skew = 38;
    var damp = 700;
    var initialBias = 72;
    var initialN = 128; // 0x80
    var delimiter = '-'; // '\x2D'
    var regexNonASCII = /[^\0-\u007E]/; // non-ASCII chars
    var regexSeparators = /[.\u3002\uFF0E\uFF61]/g; // RFC 3490 separators
    var OVERFLOW_ERROR = 'Overflow: input needs wider integers to process';
    var baseMinusTMin = base - tMin;
    var floor$8 = Math.floor;
    var stringFromCharCode = String.fromCharCode;

    /**
     * Creates an array containing the numeric code points of each Unicode
     * character in the string. While JavaScript uses UCS-2 internally,
     * this function will convert a pair of surrogate halves (each of which
     * UCS-2 exposes as separate characters) into a single code point,
     * matching UTF-16.
     */
    var ucs2decode = function (string) {
      var output = [];
      var counter = 0;
      var length = string.length;
      while (counter < length) {
        var value = string.charCodeAt(counter++);
        if (value >= 0xD800 && value <= 0xDBFF && counter < length) {
          // It's a high surrogate, and there is a next character.
          var extra = string.charCodeAt(counter++);
          if ((extra & 0xFC00) == 0xDC00) { // Low surrogate.
            output.push(((value & 0x3FF) << 10) + (extra & 0x3FF) + 0x10000);
          } else {
            // It's an unmatched surrogate; only append this code unit, in case the
            // next code unit is the high surrogate of a surrogate pair.
            output.push(value);
            counter--;
          }
        } else {
          output.push(value);
        }
      }
      return output;
    };

    /**
     * Converts a digit/integer into a basic code point.
     */
    var digitToBasic = function (digit) {
      //  0..25 map to ASCII a..z or A..Z
      // 26..35 map to ASCII 0..9
      return digit + 22 + 75 * (digit < 26);
    };

    /**
     * Bias adaptation function as per section 3.4 of RFC 3492.
     * https://tools.ietf.org/html/rfc3492#section-3.4
     */
    var adapt = function (delta, numPoints, firstTime) {
      var k = 0;
      delta = firstTime ? floor$8(delta / damp) : delta >> 1;
      delta += floor$8(delta / numPoints);
      for (; delta > baseMinusTMin * tMax >> 1; k += base) {
        delta = floor$8(delta / baseMinusTMin);
      }
      return floor$8(k + (baseMinusTMin + 1) * delta / (delta + skew));
    };

    /**
     * Converts a string of Unicode symbols (e.g. a domain name label) to a
     * Punycode string of ASCII-only symbols.
     */
    // eslint-disable-next-line  max-statements
    var encode = function (input) {
      var output = [];

      // Convert the input in UCS-2 to an array of Unicode code points.
      input = ucs2decode(input);

      // Cache the length.
      var inputLength = input.length;

      // Initialize the state.
      var n = initialN;
      var delta = 0;
      var bias = initialBias;
      var i, currentValue;

      // Handle the basic code points.
      for (i = 0; i < input.length; i++) {
        currentValue = input[i];
        if (currentValue < 0x80) {
          output.push(stringFromCharCode(currentValue));
        }
      }

      var basicLength = output.length; // number of basic code points.
      var handledCPCount = basicLength; // number of code points that have been handled;

      // Finish the basic string with a delimiter unless it's empty.
      if (basicLength) {
        output.push(delimiter);
      }

      // Main encoding loop:
      while (handledCPCount < inputLength) {
        // All non-basic code points < n have been handled already. Find the next larger one:
        var m = maxInt;
        for (i = 0; i < input.length; i++) {
          currentValue = input[i];
          if (currentValue >= n && currentValue < m) {
            m = currentValue;
          }
        }

        // Increase `delta` enough to advance the decoder's <n,i> state to <m,0>, but guard against overflow.
        var handledCPCountPlusOne = handledCPCount + 1;
        if (m - n > floor$8((maxInt - delta) / handledCPCountPlusOne)) {
          throw RangeError(OVERFLOW_ERROR);
        }

        delta += (m - n) * handledCPCountPlusOne;
        n = m;

        for (i = 0; i < input.length; i++) {
          currentValue = input[i];
          if (currentValue < n && ++delta > maxInt) {
            throw RangeError(OVERFLOW_ERROR);
          }
          if (currentValue == n) {
            // Represent delta as a generalized variable-length integer.
            var q = delta;
            for (var k = base; /* no condition */; k += base) {
              var t = k <= bias ? tMin : (k >= bias + tMax ? tMax : k - bias);
              if (q < t) { break; }
              var qMinusT = q - t;
              var baseMinusT = base - t;
              output.push(stringFromCharCode(digitToBasic(t + qMinusT % baseMinusT)));
              q = floor$8(qMinusT / baseMinusT);
            }

            output.push(stringFromCharCode(digitToBasic(q)));
            bias = adapt(delta, handledCPCountPlusOne, handledCPCount == basicLength);
            delta = 0;
            ++handledCPCount;
          }
        }

        ++delta;
        ++n;
      }
      return output.join('');
    };

    var stringPunycodeToAscii = function (input) {
      var encoded = [];
      var labels = input.toLowerCase().replace(regexSeparators, '\u002E').split('.');
      var i, label;
      for (i = 0; i < labels.length; i++) {
        label = labels[i];
        encoded.push(regexNonASCII.test(label) ? 'xn--' + encode(label) : label);
      }
      return encoded.join('.');
    };

    var getIterator = function (it) {
      var iteratorMethod = getIteratorMethod(it);
      if (typeof iteratorMethod != 'function') {
        throw TypeError(String(it) + ' is not iterable');
      } return anObject(iteratorMethod.call(it));
    };

    // TODO: in core-js@4, move /modules/ dependencies to public entries for better optimization by tools like `preset-env`





















    var $fetch$1 = getBuiltIn('fetch');
    var Headers = getBuiltIn('Headers');
    var ITERATOR$7 = wellKnownSymbol('iterator');
    var URL_SEARCH_PARAMS = 'URLSearchParams';
    var URL_SEARCH_PARAMS_ITERATOR = URL_SEARCH_PARAMS + 'Iterator';
    var setInternalState$9 = internalState.set;
    var getInternalParamsState = internalState.getterFor(URL_SEARCH_PARAMS);
    var getInternalIteratorState = internalState.getterFor(URL_SEARCH_PARAMS_ITERATOR);

    var plus = /\+/g;
    var sequences = Array(4);

    var percentSequence = function (bytes) {
      return sequences[bytes - 1] || (sequences[bytes - 1] = RegExp('((?:%[\\da-f]{2}){' + bytes + '})', 'gi'));
    };

    var percentDecode = function (sequence) {
      try {
        return decodeURIComponent(sequence);
      } catch (error) {
        return sequence;
      }
    };

    var deserialize = function (it) {
      var result = it.replace(plus, ' ');
      var bytes = 4;
      try {
        return decodeURIComponent(result);
      } catch (error) {
        while (bytes) {
          result = result.replace(percentSequence(bytes--), percentDecode);
        }
        return result;
      }
    };

    var find$1 = /[!'()~]|%20/g;

    var replace = {
      '!': '%21',
      "'": '%27',
      '(': '%28',
      ')': '%29',
      '~': '%7E',
      '%20': '+'
    };

    var replacer = function (match) {
      return replace[match];
    };

    var serialize = function (it) {
      return encodeURIComponent(it).replace(find$1, replacer);
    };

    var parseSearchParams = function (result, query) {
      if (query) {
        var attributes = query.split('&');
        var index = 0;
        var attribute, entry;
        while (index < attributes.length) {
          attribute = attributes[index++];
          if (attribute.length) {
            entry = attribute.split('=');
            result.push({
              key: deserialize(entry.shift()),
              value: deserialize(entry.join('='))
            });
          }
        }
      }
    };

    var updateSearchParams = function (query) {
      this.entries.length = 0;
      parseSearchParams(this.entries, query);
    };

    var validateArgumentsLength = function (passed, required) {
      if (passed < required) { throw TypeError('Not enough arguments'); }
    };

    var URLSearchParamsIterator = createIteratorConstructor(function Iterator(params, kind) {
      setInternalState$9(this, {
        type: URL_SEARCH_PARAMS_ITERATOR,
        iterator: getIterator(getInternalParamsState(params).entries),
        kind: kind
      });
    }, 'Iterator', function next() {
      var state = getInternalIteratorState(this);
      var kind = state.kind;
      var step = state.iterator.next();
      var entry = step.value;
      if (!step.done) {
        step.value = kind === 'keys' ? entry.key : kind === 'values' ? entry.value : [entry.key, entry.value];
      } return step;
    });

    // `URLSearchParams` constructor
    // https://url.spec.whatwg.org/#interface-urlsearchparams
    var URLSearchParamsConstructor = function URLSearchParams(/* init */) {
      anInstance(this, URLSearchParamsConstructor, URL_SEARCH_PARAMS);
      var init = arguments.length > 0 ? arguments[0] : undefined;
      var that = this;
      var entries = [];
      var iteratorMethod, iterator, next, step, entryIterator, entryNext, first, second, key;

      setInternalState$9(that, {
        type: URL_SEARCH_PARAMS,
        entries: entries,
        updateURL: function () { /* empty */ },
        updateSearchParams: updateSearchParams
      });

      if (init !== undefined) {
        if (isObject(init)) {
          iteratorMethod = getIteratorMethod(init);
          if (typeof iteratorMethod === 'function') {
            iterator = iteratorMethod.call(init);
            next = iterator.next;
            while (!(step = next.call(iterator)).done) {
              entryIterator = getIterator(anObject(step.value));
              entryNext = entryIterator.next;
              if (
                (first = entryNext.call(entryIterator)).done ||
                (second = entryNext.call(entryIterator)).done ||
                !entryNext.call(entryIterator).done
              ) { throw TypeError('Expected sequence with length 2'); }
              entries.push({ key: first.value + '', value: second.value + '' });
            }
          } else { for (key in init) { if (has(init, key)) { entries.push({ key: key, value: init[key] + '' }); } } }
        } else {
          parseSearchParams(entries, typeof init === 'string' ? init.charAt(0) === '?' ? init.slice(1) : init : init + '');
        }
      }
    };

    var URLSearchParamsPrototype = URLSearchParamsConstructor.prototype;

    redefineAll(URLSearchParamsPrototype, {
      // `URLSearchParams.prototype.appent` method
      // https://url.spec.whatwg.org/#dom-urlsearchparams-append
      append: function append(name, value) {
        validateArgumentsLength(arguments.length, 2);
        var state = getInternalParamsState(this);
        state.entries.push({ key: name + '', value: value + '' });
        state.updateURL();
      },
      // `URLSearchParams.prototype.delete` method
      // https://url.spec.whatwg.org/#dom-urlsearchparams-delete
      'delete': function (name) {
        validateArgumentsLength(arguments.length, 1);
        var state = getInternalParamsState(this);
        var entries = state.entries;
        var key = name + '';
        var index = 0;
        while (index < entries.length) {
          if (entries[index].key === key) { entries.splice(index, 1); }
          else { index++; }
        }
        state.updateURL();
      },
      // `URLSearchParams.prototype.get` method
      // https://url.spec.whatwg.org/#dom-urlsearchparams-get
      get: function get(name) {
        validateArgumentsLength(arguments.length, 1);
        var entries = getInternalParamsState(this).entries;
        var key = name + '';
        var index = 0;
        for (; index < entries.length; index++) {
          if (entries[index].key === key) { return entries[index].value; }
        }
        return null;
      },
      // `URLSearchParams.prototype.getAll` method
      // https://url.spec.whatwg.org/#dom-urlsearchparams-getall
      getAll: function getAll(name) {
        validateArgumentsLength(arguments.length, 1);
        var entries = getInternalParamsState(this).entries;
        var key = name + '';
        var result = [];
        var index = 0;
        for (; index < entries.length; index++) {
          if (entries[index].key === key) { result.push(entries[index].value); }
        }
        return result;
      },
      // `URLSearchParams.prototype.has` method
      // https://url.spec.whatwg.org/#dom-urlsearchparams-has
      has: function has(name) {
        validateArgumentsLength(arguments.length, 1);
        var entries = getInternalParamsState(this).entries;
        var key = name + '';
        var index = 0;
        while (index < entries.length) {
          if (entries[index++].key === key) { return true; }
        }
        return false;
      },
      // `URLSearchParams.prototype.set` method
      // https://url.spec.whatwg.org/#dom-urlsearchparams-set
      set: function set(name, value) {
        validateArgumentsLength(arguments.length, 1);
        var state = getInternalParamsState(this);
        var entries = state.entries;
        var found = false;
        var key = name + '';
        var val = value + '';
        var index = 0;
        var entry;
        for (; index < entries.length; index++) {
          entry = entries[index];
          if (entry.key === key) {
            if (found) { entries.splice(index--, 1); }
            else {
              found = true;
              entry.value = val;
            }
          }
        }
        if (!found) { entries.push({ key: key, value: val }); }
        state.updateURL();
      },
      // `URLSearchParams.prototype.sort` method
      // https://url.spec.whatwg.org/#dom-urlsearchparams-sort
      sort: function sort() {
        var state = getInternalParamsState(this);
        var entries = state.entries;
        // Array#sort is not stable in some engines
        var slice = entries.slice();
        var entry, entriesIndex, sliceIndex;
        entries.length = 0;
        for (sliceIndex = 0; sliceIndex < slice.length; sliceIndex++) {
          entry = slice[sliceIndex];
          for (entriesIndex = 0; entriesIndex < sliceIndex; entriesIndex++) {
            if (entries[entriesIndex].key > entry.key) {
              entries.splice(entriesIndex, 0, entry);
              break;
            }
          }
          if (entriesIndex === sliceIndex) { entries.push(entry); }
        }
        state.updateURL();
      },
      // `URLSearchParams.prototype.forEach` method
      forEach: function forEach(callback /* , thisArg */) {
        var entries = getInternalParamsState(this).entries;
        var boundFunction = functionBindContext(callback, arguments.length > 1 ? arguments[1] : undefined, 3);
        var index = 0;
        var entry;
        while (index < entries.length) {
          entry = entries[index++];
          boundFunction(entry.value, entry.key, this);
        }
      },
      // `URLSearchParams.prototype.keys` method
      keys: function keys() {
        return new URLSearchParamsIterator(this, 'keys');
      },
      // `URLSearchParams.prototype.values` method
      values: function values() {
        return new URLSearchParamsIterator(this, 'values');
      },
      // `URLSearchParams.prototype.entries` method
      entries: function entries() {
        return new URLSearchParamsIterator(this, 'entries');
      }
    }, { enumerable: true });

    // `URLSearchParams.prototype[@@iterator]` method
    redefine(URLSearchParamsPrototype, ITERATOR$7, URLSearchParamsPrototype.entries);

    // `URLSearchParams.prototype.toString` method
    // https://url.spec.whatwg.org/#urlsearchparams-stringification-behavior
    redefine(URLSearchParamsPrototype, 'toString', function toString() {
      var entries = getInternalParamsState(this).entries;
      var result = [];
      var index = 0;
      var entry;
      while (index < entries.length) {
        entry = entries[index++];
        result.push(serialize(entry.key) + '=' + serialize(entry.value));
      } return result.join('&');
    }, { enumerable: true });

    setToStringTag(URLSearchParamsConstructor, URL_SEARCH_PARAMS);

    _export({ global: true, forced: !nativeUrl }, {
      URLSearchParams: URLSearchParamsConstructor
    });

    // Wrap `fetch` for correct work with polyfilled `URLSearchParams`
    // https://github.com/zloirock/core-js/issues/674
    if (!nativeUrl && typeof $fetch$1 == 'function' && typeof Headers == 'function') {
      _export({ global: true, enumerable: true, forced: true }, {
        fetch: function fetch(input /* , init */) {
          var args = [input];
          var init, body, headers;
          if (arguments.length > 1) {
            init = arguments[1];
            if (isObject(init)) {
              body = init.body;
              if (classof(body) === URL_SEARCH_PARAMS) {
                headers = init.headers ? new Headers(init.headers) : new Headers();
                if (!headers.has('content-type')) {
                  headers.set('content-type', 'application/x-www-form-urlencoded;charset=UTF-8');
                }
                init = objectCreate(init, {
                  body: createPropertyDescriptor(0, String(body)),
                  headers: createPropertyDescriptor(0, headers)
                });
              }
            }
            args.push(init);
          } return $fetch$1.apply(this, args);
        }
      });
    }

    var web_urlSearchParams = {
      URLSearchParams: URLSearchParamsConstructor,
      getState: getInternalParamsState
    };

    // TODO: in core-js@4, move /modules/ dependencies to public entries for better optimization by tools like `preset-env`











    var codeAt$1 = stringMultibyte.codeAt;





    var NativeURL = global_1.URL;
    var URLSearchParams$1 = web_urlSearchParams.URLSearchParams;
    var getInternalSearchParamsState = web_urlSearchParams.getState;
    var setInternalState$a = internalState.set;
    var getInternalURLState = internalState.getterFor('URL');
    var floor$9 = Math.floor;
    var pow$4 = Math.pow;

    var INVALID_AUTHORITY = 'Invalid authority';
    var INVALID_SCHEME = 'Invalid scheme';
    var INVALID_HOST = 'Invalid host';
    var INVALID_PORT = 'Invalid port';

    var ALPHA = /[A-Za-z]/;
    var ALPHANUMERIC = /[\d+-.A-Za-z]/;
    var DIGIT = /\d/;
    var HEX_START = /^(0x|0X)/;
    var OCT = /^[0-7]+$/;
    var DEC = /^\d+$/;
    var HEX = /^[\dA-Fa-f]+$/;
    // eslint-disable-next-line no-control-regex
    var FORBIDDEN_HOST_CODE_POINT = /[\u0000\u0009\u000A\u000D #%/:?@[\\]]/;
    // eslint-disable-next-line no-control-regex
    var FORBIDDEN_HOST_CODE_POINT_EXCLUDING_PERCENT = /[\u0000\u0009\u000A\u000D #/:?@[\\]]/;
    // eslint-disable-next-line no-control-regex
    var LEADING_AND_TRAILING_C0_CONTROL_OR_SPACE = /^[\u0000-\u001F ]+|[\u0000-\u001F ]+$/g;
    // eslint-disable-next-line no-control-regex
    var TAB_AND_NEW_LINE = /[\u0009\u000A\u000D]/g;
    var EOF;

    var parseHost = function (url, input) {
      var result, codePoints, index;
      if (input.charAt(0) == '[') {
        if (input.charAt(input.length - 1) != ']') { return INVALID_HOST; }
        result = parseIPv6(input.slice(1, -1));
        if (!result) { return INVALID_HOST; }
        url.host = result;
      // opaque host
      } else if (!isSpecial(url)) {
        if (FORBIDDEN_HOST_CODE_POINT_EXCLUDING_PERCENT.test(input)) { return INVALID_HOST; }
        result = '';
        codePoints = arrayFrom(input);
        for (index = 0; index < codePoints.length; index++) {
          result += percentEncode(codePoints[index], C0ControlPercentEncodeSet);
        }
        url.host = result;
      } else {
        input = stringPunycodeToAscii(input);
        if (FORBIDDEN_HOST_CODE_POINT.test(input)) { return INVALID_HOST; }
        result = parseIPv4(input);
        if (result === null) { return INVALID_HOST; }
        url.host = result;
      }
    };

    var parseIPv4 = function (input) {
      var parts = input.split('.');
      var partsLength, numbers, index, part, radix, number, ipv4;
      if (parts.length && parts[parts.length - 1] == '') {
        parts.pop();
      }
      partsLength = parts.length;
      if (partsLength > 4) { return input; }
      numbers = [];
      for (index = 0; index < partsLength; index++) {
        part = parts[index];
        if (part == '') { return input; }
        radix = 10;
        if (part.length > 1 && part.charAt(0) == '0') {
          radix = HEX_START.test(part) ? 16 : 8;
          part = part.slice(radix == 8 ? 1 : 2);
        }
        if (part === '') {
          number = 0;
        } else {
          if (!(radix == 10 ? DEC : radix == 8 ? OCT : HEX).test(part)) { return input; }
          number = parseInt(part, radix);
        }
        numbers.push(number);
      }
      for (index = 0; index < partsLength; index++) {
        number = numbers[index];
        if (index == partsLength - 1) {
          if (number >= pow$4(256, 5 - partsLength)) { return null; }
        } else if (number > 255) { return null; }
      }
      ipv4 = numbers.pop();
      for (index = 0; index < numbers.length; index++) {
        ipv4 += numbers[index] * pow$4(256, 3 - index);
      }
      return ipv4;
    };

    // eslint-disable-next-line max-statements
    var parseIPv6 = function (input) {
      var address = [0, 0, 0, 0, 0, 0, 0, 0];
      var pieceIndex = 0;
      var compress = null;
      var pointer = 0;
      var value, length, numbersSeen, ipv4Piece, number, swaps, swap;

      var char = function () {
        return input.charAt(pointer);
      };

      if (char() == ':') {
        if (input.charAt(1) != ':') { return; }
        pointer += 2;
        pieceIndex++;
        compress = pieceIndex;
      }
      while (char()) {
        if (pieceIndex == 8) { return; }
        if (char() == ':') {
          if (compress !== null) { return; }
          pointer++;
          pieceIndex++;
          compress = pieceIndex;
          continue;
        }
        value = length = 0;
        while (length < 4 && HEX.test(char())) {
          value = value * 16 + parseInt(char(), 16);
          pointer++;
          length++;
        }
        if (char() == '.') {
          if (length == 0) { return; }
          pointer -= length;
          if (pieceIndex > 6) { return; }
          numbersSeen = 0;
          while (char()) {
            ipv4Piece = null;
            if (numbersSeen > 0) {
              if (char() == '.' && numbersSeen < 4) { pointer++; }
              else { return; }
            }
            if (!DIGIT.test(char())) { return; }
            while (DIGIT.test(char())) {
              number = parseInt(char(), 10);
              if (ipv4Piece === null) { ipv4Piece = number; }
              else if (ipv4Piece == 0) { return; }
              else { ipv4Piece = ipv4Piece * 10 + number; }
              if (ipv4Piece > 255) { return; }
              pointer++;
            }
            address[pieceIndex] = address[pieceIndex] * 256 + ipv4Piece;
            numbersSeen++;
            if (numbersSeen == 2 || numbersSeen == 4) { pieceIndex++; }
          }
          if (numbersSeen != 4) { return; }
          break;
        } else if (char() == ':') {
          pointer++;
          if (!char()) { return; }
        } else if (char()) { return; }
        address[pieceIndex++] = value;
      }
      if (compress !== null) {
        swaps = pieceIndex - compress;
        pieceIndex = 7;
        while (pieceIndex != 0 && swaps > 0) {
          swap = address[pieceIndex];
          address[pieceIndex--] = address[compress + swaps - 1];
          address[compress + --swaps] = swap;
        }
      } else if (pieceIndex != 8) { return; }
      return address;
    };

    var findLongestZeroSequence = function (ipv6) {
      var maxIndex = null;
      var maxLength = 1;
      var currStart = null;
      var currLength = 0;
      var index = 0;
      for (; index < 8; index++) {
        if (ipv6[index] !== 0) {
          if (currLength > maxLength) {
            maxIndex = currStart;
            maxLength = currLength;
          }
          currStart = null;
          currLength = 0;
        } else {
          if (currStart === null) { currStart = index; }
          ++currLength;
        }
      }
      if (currLength > maxLength) {
        maxIndex = currStart;
        maxLength = currLength;
      }
      return maxIndex;
    };

    var serializeHost = function (host) {
      var result, index, compress, ignore0;
      // ipv4
      if (typeof host == 'number') {
        result = [];
        for (index = 0; index < 4; index++) {
          result.unshift(host % 256);
          host = floor$9(host / 256);
        } return result.join('.');
      // ipv6
      } else if (typeof host == 'object') {
        result = '';
        compress = findLongestZeroSequence(host);
        for (index = 0; index < 8; index++) {
          if (ignore0 && host[index] === 0) { continue; }
          if (ignore0) { ignore0 = false; }
          if (compress === index) {
            result += index ? ':' : '::';
            ignore0 = true;
          } else {
            result += host[index].toString(16);
            if (index < 7) { result += ':'; }
          }
        }
        return '[' + result + ']';
      } return host;
    };

    var C0ControlPercentEncodeSet = {};
    var fragmentPercentEncodeSet = objectAssign({}, C0ControlPercentEncodeSet, {
      ' ': 1, '"': 1, '<': 1, '>': 1, '`': 1
    });
    var pathPercentEncodeSet = objectAssign({}, fragmentPercentEncodeSet, {
      '#': 1, '?': 1, '{': 1, '}': 1
    });
    var userinfoPercentEncodeSet = objectAssign({}, pathPercentEncodeSet, {
      '/': 1, ':': 1, ';': 1, '=': 1, '@': 1, '[': 1, '\\': 1, ']': 1, '^': 1, '|': 1
    });

    var percentEncode = function (char, set) {
      var code = codeAt$1(char, 0);
      return code > 0x20 && code < 0x7F && !has(set, char) ? char : encodeURIComponent(char);
    };

    var specialSchemes = {
      ftp: 21,
      file: null,
      http: 80,
      https: 443,
      ws: 80,
      wss: 443
    };

    var isSpecial = function (url) {
      return has(specialSchemes, url.scheme);
    };

    var includesCredentials = function (url) {
      return url.username != '' || url.password != '';
    };

    var cannotHaveUsernamePasswordPort = function (url) {
      return !url.host || url.cannotBeABaseURL || url.scheme == 'file';
    };

    var isWindowsDriveLetter = function (string, normalized) {
      var second;
      return string.length == 2 && ALPHA.test(string.charAt(0))
        && ((second = string.charAt(1)) == ':' || (!normalized && second == '|'));
    };

    var startsWithWindowsDriveLetter = function (string) {
      var third;
      return string.length > 1 && isWindowsDriveLetter(string.slice(0, 2)) && (
        string.length == 2 ||
        ((third = string.charAt(2)) === '/' || third === '\\' || third === '?' || third === '#')
      );
    };

    var shortenURLsPath = function (url) {
      var path = url.path;
      var pathSize = path.length;
      if (pathSize && (url.scheme != 'file' || pathSize != 1 || !isWindowsDriveLetter(path[0], true))) {
        path.pop();
      }
    };

    var isSingleDot = function (segment) {
      return segment === '.' || segment.toLowerCase() === '%2e';
    };

    var isDoubleDot = function (segment) {
      segment = segment.toLowerCase();
      return segment === '..' || segment === '%2e.' || segment === '.%2e' || segment === '%2e%2e';
    };

    // States:
    var SCHEME_START = {};
    var SCHEME = {};
    var NO_SCHEME = {};
    var SPECIAL_RELATIVE_OR_AUTHORITY = {};
    var PATH_OR_AUTHORITY = {};
    var RELATIVE = {};
    var RELATIVE_SLASH = {};
    var SPECIAL_AUTHORITY_SLASHES = {};
    var SPECIAL_AUTHORITY_IGNORE_SLASHES = {};
    var AUTHORITY = {};
    var HOST = {};
    var HOSTNAME = {};
    var PORT = {};
    var FILE = {};
    var FILE_SLASH = {};
    var FILE_HOST = {};
    var PATH_START = {};
    var PATH = {};
    var CANNOT_BE_A_BASE_URL_PATH = {};
    var QUERY = {};
    var FRAGMENT = {};

    // eslint-disable-next-line max-statements
    var parseURL = function (url, input, stateOverride, base) {
      var state = stateOverride || SCHEME_START;
      var pointer = 0;
      var buffer = '';
      var seenAt = false;
      var seenBracket = false;
      var seenPasswordToken = false;
      var codePoints, char, bufferCodePoints, failure;

      if (!stateOverride) {
        url.scheme = '';
        url.username = '';
        url.password = '';
        url.host = null;
        url.port = null;
        url.path = [];
        url.query = null;
        url.fragment = null;
        url.cannotBeABaseURL = false;
        input = input.replace(LEADING_AND_TRAILING_C0_CONTROL_OR_SPACE, '');
      }

      input = input.replace(TAB_AND_NEW_LINE, '');

      codePoints = arrayFrom(input);

      while (pointer <= codePoints.length) {
        char = codePoints[pointer];
        switch (state) {
          case SCHEME_START:
            if (char && ALPHA.test(char)) {
              buffer += char.toLowerCase();
              state = SCHEME;
            } else if (!stateOverride) {
              state = NO_SCHEME;
              continue;
            } else { return INVALID_SCHEME; }
            break;

          case SCHEME:
            if (char && (ALPHANUMERIC.test(char) || char == '+' || char == '-' || char == '.')) {
              buffer += char.toLowerCase();
            } else if (char == ':') {
              if (stateOverride && (
                (isSpecial(url) != has(specialSchemes, buffer)) ||
                (buffer == 'file' && (includesCredentials(url) || url.port !== null)) ||
                (url.scheme == 'file' && !url.host)
              )) { return; }
              url.scheme = buffer;
              if (stateOverride) {
                if (isSpecial(url) && specialSchemes[url.scheme] == url.port) { url.port = null; }
                return;
              }
              buffer = '';
              if (url.scheme == 'file') {
                state = FILE;
              } else if (isSpecial(url) && base && base.scheme == url.scheme) {
                state = SPECIAL_RELATIVE_OR_AUTHORITY;
              } else if (isSpecial(url)) {
                state = SPECIAL_AUTHORITY_SLASHES;
              } else if (codePoints[pointer + 1] == '/') {
                state = PATH_OR_AUTHORITY;
                pointer++;
              } else {
                url.cannotBeABaseURL = true;
                url.path.push('');
                state = CANNOT_BE_A_BASE_URL_PATH;
              }
            } else if (!stateOverride) {
              buffer = '';
              state = NO_SCHEME;
              pointer = 0;
              continue;
            } else { return INVALID_SCHEME; }
            break;

          case NO_SCHEME:
            if (!base || (base.cannotBeABaseURL && char != '#')) { return INVALID_SCHEME; }
            if (base.cannotBeABaseURL && char == '#') {
              url.scheme = base.scheme;
              url.path = base.path.slice();
              url.query = base.query;
              url.fragment = '';
              url.cannotBeABaseURL = true;
              state = FRAGMENT;
              break;
            }
            state = base.scheme == 'file' ? FILE : RELATIVE;
            continue;

          case SPECIAL_RELATIVE_OR_AUTHORITY:
            if (char == '/' && codePoints[pointer + 1] == '/') {
              state = SPECIAL_AUTHORITY_IGNORE_SLASHES;
              pointer++;
            } else {
              state = RELATIVE;
              continue;
            } break;

          case PATH_OR_AUTHORITY:
            if (char == '/') {
              state = AUTHORITY;
              break;
            } else {
              state = PATH;
              continue;
            }

          case RELATIVE:
            url.scheme = base.scheme;
            if (char == EOF) {
              url.username = base.username;
              url.password = base.password;
              url.host = base.host;
              url.port = base.port;
              url.path = base.path.slice();
              url.query = base.query;
            } else if (char == '/' || (char == '\\' && isSpecial(url))) {
              state = RELATIVE_SLASH;
            } else if (char == '?') {
              url.username = base.username;
              url.password = base.password;
              url.host = base.host;
              url.port = base.port;
              url.path = base.path.slice();
              url.query = '';
              state = QUERY;
            } else if (char == '#') {
              url.username = base.username;
              url.password = base.password;
              url.host = base.host;
              url.port = base.port;
              url.path = base.path.slice();
              url.query = base.query;
              url.fragment = '';
              state = FRAGMENT;
            } else {
              url.username = base.username;
              url.password = base.password;
              url.host = base.host;
              url.port = base.port;
              url.path = base.path.slice();
              url.path.pop();
              state = PATH;
              continue;
            } break;

          case RELATIVE_SLASH:
            if (isSpecial(url) && (char == '/' || char == '\\')) {
              state = SPECIAL_AUTHORITY_IGNORE_SLASHES;
            } else if (char == '/') {
              state = AUTHORITY;
            } else {
              url.username = base.username;
              url.password = base.password;
              url.host = base.host;
              url.port = base.port;
              state = PATH;
              continue;
            } break;

          case SPECIAL_AUTHORITY_SLASHES:
            state = SPECIAL_AUTHORITY_IGNORE_SLASHES;
            if (char != '/' || buffer.charAt(pointer + 1) != '/') { continue; }
            pointer++;
            break;

          case SPECIAL_AUTHORITY_IGNORE_SLASHES:
            if (char != '/' && char != '\\') {
              state = AUTHORITY;
              continue;
            } break;

          case AUTHORITY:
            if (char == '@') {
              if (seenAt) { buffer = '%40' + buffer; }
              seenAt = true;
              bufferCodePoints = arrayFrom(buffer);
              for (var i = 0; i < bufferCodePoints.length; i++) {
                var codePoint = bufferCodePoints[i];
                if (codePoint == ':' && !seenPasswordToken) {
                  seenPasswordToken = true;
                  continue;
                }
                var encodedCodePoints = percentEncode(codePoint, userinfoPercentEncodeSet);
                if (seenPasswordToken) { url.password += encodedCodePoints; }
                else { url.username += encodedCodePoints; }
              }
              buffer = '';
            } else if (
              char == EOF || char == '/' || char == '?' || char == '#' ||
              (char == '\\' && isSpecial(url))
            ) {
              if (seenAt && buffer == '') { return INVALID_AUTHORITY; }
              pointer -= arrayFrom(buffer).length + 1;
              buffer = '';
              state = HOST;
            } else { buffer += char; }
            break;

          case HOST:
          case HOSTNAME:
            if (stateOverride && url.scheme == 'file') {
              state = FILE_HOST;
              continue;
            } else if (char == ':' && !seenBracket) {
              if (buffer == '') { return INVALID_HOST; }
              failure = parseHost(url, buffer);
              if (failure) { return failure; }
              buffer = '';
              state = PORT;
              if (stateOverride == HOSTNAME) { return; }
            } else if (
              char == EOF || char == '/' || char == '?' || char == '#' ||
              (char == '\\' && isSpecial(url))
            ) {
              if (isSpecial(url) && buffer == '') { return INVALID_HOST; }
              if (stateOverride && buffer == '' && (includesCredentials(url) || url.port !== null)) { return; }
              failure = parseHost(url, buffer);
              if (failure) { return failure; }
              buffer = '';
              state = PATH_START;
              if (stateOverride) { return; }
              continue;
            } else {
              if (char == '[') { seenBracket = true; }
              else if (char == ']') { seenBracket = false; }
              buffer += char;
            } break;

          case PORT:
            if (DIGIT.test(char)) {
              buffer += char;
            } else if (
              char == EOF || char == '/' || char == '?' || char == '#' ||
              (char == '\\' && isSpecial(url)) ||
              stateOverride
            ) {
              if (buffer != '') {
                var port = parseInt(buffer, 10);
                if (port > 0xFFFF) { return INVALID_PORT; }
                url.port = (isSpecial(url) && port === specialSchemes[url.scheme]) ? null : port;
                buffer = '';
              }
              if (stateOverride) { return; }
              state = PATH_START;
              continue;
            } else { return INVALID_PORT; }
            break;

          case FILE:
            url.scheme = 'file';
            if (char == '/' || char == '\\') { state = FILE_SLASH; }
            else if (base && base.scheme == 'file') {
              if (char == EOF) {
                url.host = base.host;
                url.path = base.path.slice();
                url.query = base.query;
              } else if (char == '?') {
                url.host = base.host;
                url.path = base.path.slice();
                url.query = '';
                state = QUERY;
              } else if (char == '#') {
                url.host = base.host;
                url.path = base.path.slice();
                url.query = base.query;
                url.fragment = '';
                state = FRAGMENT;
              } else {
                if (!startsWithWindowsDriveLetter(codePoints.slice(pointer).join(''))) {
                  url.host = base.host;
                  url.path = base.path.slice();
                  shortenURLsPath(url);
                }
                state = PATH;
                continue;
              }
            } else {
              state = PATH;
              continue;
            } break;

          case FILE_SLASH:
            if (char == '/' || char == '\\') {
              state = FILE_HOST;
              break;
            }
            if (base && base.scheme == 'file' && !startsWithWindowsDriveLetter(codePoints.slice(pointer).join(''))) {
              if (isWindowsDriveLetter(base.path[0], true)) { url.path.push(base.path[0]); }
              else { url.host = base.host; }
            }
            state = PATH;
            continue;

          case FILE_HOST:
            if (char == EOF || char == '/' || char == '\\' || char == '?' || char == '#') {
              if (!stateOverride && isWindowsDriveLetter(buffer)) {
                state = PATH;
              } else if (buffer == '') {
                url.host = '';
                if (stateOverride) { return; }
                state = PATH_START;
              } else {
                failure = parseHost(url, buffer);
                if (failure) { return failure; }
                if (url.host == 'localhost') { url.host = ''; }
                if (stateOverride) { return; }
                buffer = '';
                state = PATH_START;
              } continue;
            } else { buffer += char; }
            break;

          case PATH_START:
            if (isSpecial(url)) {
              state = PATH;
              if (char != '/' && char != '\\') { continue; }
            } else if (!stateOverride && char == '?') {
              url.query = '';
              state = QUERY;
            } else if (!stateOverride && char == '#') {
              url.fragment = '';
              state = FRAGMENT;
            } else if (char != EOF) {
              state = PATH;
              if (char != '/') { continue; }
            } break;

          case PATH:
            if (
              char == EOF || char == '/' ||
              (char == '\\' && isSpecial(url)) ||
              (!stateOverride && (char == '?' || char == '#'))
            ) {
              if (isDoubleDot(buffer)) {
                shortenURLsPath(url);
                if (char != '/' && !(char == '\\' && isSpecial(url))) {
                  url.path.push('');
                }
              } else if (isSingleDot(buffer)) {
                if (char != '/' && !(char == '\\' && isSpecial(url))) {
                  url.path.push('');
                }
              } else {
                if (url.scheme == 'file' && !url.path.length && isWindowsDriveLetter(buffer)) {
                  if (url.host) { url.host = ''; }
                  buffer = buffer.charAt(0) + ':'; // normalize windows drive letter
                }
                url.path.push(buffer);
              }
              buffer = '';
              if (url.scheme == 'file' && (char == EOF || char == '?' || char == '#')) {
                while (url.path.length > 1 && url.path[0] === '') {
                  url.path.shift();
                }
              }
              if (char == '?') {
                url.query = '';
                state = QUERY;
              } else if (char == '#') {
                url.fragment = '';
                state = FRAGMENT;
              }
            } else {
              buffer += percentEncode(char, pathPercentEncodeSet);
            } break;

          case CANNOT_BE_A_BASE_URL_PATH:
            if (char == '?') {
              url.query = '';
              state = QUERY;
            } else if (char == '#') {
              url.fragment = '';
              state = FRAGMENT;
            } else if (char != EOF) {
              url.path[0] += percentEncode(char, C0ControlPercentEncodeSet);
            } break;

          case QUERY:
            if (!stateOverride && char == '#') {
              url.fragment = '';
              state = FRAGMENT;
            } else if (char != EOF) {
              if (char == "'" && isSpecial(url)) { url.query += '%27'; }
              else if (char == '#') { url.query += '%23'; }
              else { url.query += percentEncode(char, C0ControlPercentEncodeSet); }
            } break;

          case FRAGMENT:
            if (char != EOF) { url.fragment += percentEncode(char, fragmentPercentEncodeSet); }
            break;
        }

        pointer++;
      }
    };

    // `URL` constructor
    // https://url.spec.whatwg.org/#url-class
    var URLConstructor = function URL(url /* , base */) {
      var that = anInstance(this, URLConstructor, 'URL');
      var base = arguments.length > 1 ? arguments[1] : undefined;
      var urlString = String(url);
      var state = setInternalState$a(that, { type: 'URL' });
      var baseState, failure;
      if (base !== undefined) {
        if (base instanceof URLConstructor) { baseState = getInternalURLState(base); }
        else {
          failure = parseURL(baseState = {}, String(base));
          if (failure) { throw TypeError(failure); }
        }
      }
      failure = parseURL(state, urlString, null, baseState);
      if (failure) { throw TypeError(failure); }
      var searchParams = state.searchParams = new URLSearchParams$1();
      var searchParamsState = getInternalSearchParamsState(searchParams);
      searchParamsState.updateSearchParams(state.query);
      searchParamsState.updateURL = function () {
        state.query = String(searchParams) || null;
      };
      if (!descriptors) {
        that.href = serializeURL.call(that);
        that.origin = getOrigin.call(that);
        that.protocol = getProtocol.call(that);
        that.username = getUsername.call(that);
        that.password = getPassword.call(that);
        that.host = getHost.call(that);
        that.hostname = getHostname.call(that);
        that.port = getPort.call(that);
        that.pathname = getPathname.call(that);
        that.search = getSearch.call(that);
        that.searchParams = getSearchParams.call(that);
        that.hash = getHash.call(that);
      }
    };

    var URLPrototype = URLConstructor.prototype;

    var serializeURL = function () {
      var url = getInternalURLState(this);
      var scheme = url.scheme;
      var username = url.username;
      var password = url.password;
      var host = url.host;
      var port = url.port;
      var path = url.path;
      var query = url.query;
      var fragment = url.fragment;
      var output = scheme + ':';
      if (host !== null) {
        output += '//';
        if (includesCredentials(url)) {
          output += username + (password ? ':' + password : '') + '@';
        }
        output += serializeHost(host);
        if (port !== null) { output += ':' + port; }
      } else if (scheme == 'file') { output += '//'; }
      output += url.cannotBeABaseURL ? path[0] : path.length ? '/' + path.join('/') : '';
      if (query !== null) { output += '?' + query; }
      if (fragment !== null) { output += '#' + fragment; }
      return output;
    };

    var getOrigin = function () {
      var url = getInternalURLState(this);
      var scheme = url.scheme;
      var port = url.port;
      if (scheme == 'blob') { try {
        return new URL(scheme.path[0]).origin;
      } catch (error) {
        return 'null';
      } }
      if (scheme == 'file' || !isSpecial(url)) { return 'null'; }
      return scheme + '://' + serializeHost(url.host) + (port !== null ? ':' + port : '');
    };

    var getProtocol = function () {
      return getInternalURLState(this).scheme + ':';
    };

    var getUsername = function () {
      return getInternalURLState(this).username;
    };

    var getPassword = function () {
      return getInternalURLState(this).password;
    };

    var getHost = function () {
      var url = getInternalURLState(this);
      var host = url.host;
      var port = url.port;
      return host === null ? ''
        : port === null ? serializeHost(host)
        : serializeHost(host) + ':' + port;
    };

    var getHostname = function () {
      var host = getInternalURLState(this).host;
      return host === null ? '' : serializeHost(host);
    };

    var getPort = function () {
      var port = getInternalURLState(this).port;
      return port === null ? '' : String(port);
    };

    var getPathname = function () {
      var url = getInternalURLState(this);
      var path = url.path;
      return url.cannotBeABaseURL ? path[0] : path.length ? '/' + path.join('/') : '';
    };

    var getSearch = function () {
      var query = getInternalURLState(this).query;
      return query ? '?' + query : '';
    };

    var getSearchParams = function () {
      return getInternalURLState(this).searchParams;
    };

    var getHash = function () {
      var fragment = getInternalURLState(this).fragment;
      return fragment ? '#' + fragment : '';
    };

    var accessorDescriptor = function (getter, setter) {
      return { get: getter, set: setter, configurable: true, enumerable: true };
    };

    if (descriptors) {
      objectDefineProperties(URLPrototype, {
        // `URL.prototype.href` accessors pair
        // https://url.spec.whatwg.org/#dom-url-href
        href: accessorDescriptor(serializeURL, function (href) {
          var url = getInternalURLState(this);
          var urlString = String(href);
          var failure = parseURL(url, urlString);
          if (failure) { throw TypeError(failure); }
          getInternalSearchParamsState(url.searchParams).updateSearchParams(url.query);
        }),
        // `URL.prototype.origin` getter
        // https://url.spec.whatwg.org/#dom-url-origin
        origin: accessorDescriptor(getOrigin),
        // `URL.prototype.protocol` accessors pair
        // https://url.spec.whatwg.org/#dom-url-protocol
        protocol: accessorDescriptor(getProtocol, function (protocol) {
          var url = getInternalURLState(this);
          parseURL(url, String(protocol) + ':', SCHEME_START);
        }),
        // `URL.prototype.username` accessors pair
        // https://url.spec.whatwg.org/#dom-url-username
        username: accessorDescriptor(getUsername, function (username) {
          var url = getInternalURLState(this);
          var codePoints = arrayFrom(String(username));
          if (cannotHaveUsernamePasswordPort(url)) { return; }
          url.username = '';
          for (var i = 0; i < codePoints.length; i++) {
            url.username += percentEncode(codePoints[i], userinfoPercentEncodeSet);
          }
        }),
        // `URL.prototype.password` accessors pair
        // https://url.spec.whatwg.org/#dom-url-password
        password: accessorDescriptor(getPassword, function (password) {
          var url = getInternalURLState(this);
          var codePoints = arrayFrom(String(password));
          if (cannotHaveUsernamePasswordPort(url)) { return; }
          url.password = '';
          for (var i = 0; i < codePoints.length; i++) {
            url.password += percentEncode(codePoints[i], userinfoPercentEncodeSet);
          }
        }),
        // `URL.prototype.host` accessors pair
        // https://url.spec.whatwg.org/#dom-url-host
        host: accessorDescriptor(getHost, function (host) {
          var url = getInternalURLState(this);
          if (url.cannotBeABaseURL) { return; }
          parseURL(url, String(host), HOST);
        }),
        // `URL.prototype.hostname` accessors pair
        // https://url.spec.whatwg.org/#dom-url-hostname
        hostname: accessorDescriptor(getHostname, function (hostname) {
          var url = getInternalURLState(this);
          if (url.cannotBeABaseURL) { return; }
          parseURL(url, String(hostname), HOSTNAME);
        }),
        // `URL.prototype.port` accessors pair
        // https://url.spec.whatwg.org/#dom-url-port
        port: accessorDescriptor(getPort, function (port) {
          var url = getInternalURLState(this);
          if (cannotHaveUsernamePasswordPort(url)) { return; }
          port = String(port);
          if (port == '') { url.port = null; }
          else { parseURL(url, port, PORT); }
        }),
        // `URL.prototype.pathname` accessors pair
        // https://url.spec.whatwg.org/#dom-url-pathname
        pathname: accessorDescriptor(getPathname, function (pathname) {
          var url = getInternalURLState(this);
          if (url.cannotBeABaseURL) { return; }
          url.path = [];
          parseURL(url, pathname + '', PATH_START);
        }),
        // `URL.prototype.search` accessors pair
        // https://url.spec.whatwg.org/#dom-url-search
        search: accessorDescriptor(getSearch, function (search) {
          var url = getInternalURLState(this);
          search = String(search);
          if (search == '') {
            url.query = null;
          } else {
            if ('?' == search.charAt(0)) { search = search.slice(1); }
            url.query = '';
            parseURL(url, search, QUERY);
          }
          getInternalSearchParamsState(url.searchParams).updateSearchParams(url.query);
        }),
        // `URL.prototype.searchParams` getter
        // https://url.spec.whatwg.org/#dom-url-searchparams
        searchParams: accessorDescriptor(getSearchParams),
        // `URL.prototype.hash` accessors pair
        // https://url.spec.whatwg.org/#dom-url-hash
        hash: accessorDescriptor(getHash, function (hash) {
          var url = getInternalURLState(this);
          hash = String(hash);
          if (hash == '') {
            url.fragment = null;
            return;
          }
          if ('#' == hash.charAt(0)) { hash = hash.slice(1); }
          url.fragment = '';
          parseURL(url, hash, FRAGMENT);
        })
      });
    }

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

    // `URL.prototype.toString` method
    // https://url.spec.whatwg.org/#URL-stringification-behavior
    redefine(URLPrototype, 'toString', function toString() {
      return serializeURL.call(this);
    }, { enumerable: true });

    if (NativeURL) {
      var nativeCreateObjectURL = NativeURL.createObjectURL;
      var nativeRevokeObjectURL = NativeURL.revokeObjectURL;
      // `URL.createObjectURL` method
      // https://developer.mozilla.org/en-US/docs/Web/API/URL/createObjectURL
      // eslint-disable-next-line no-unused-vars
      if (nativeCreateObjectURL) { redefine(URLConstructor, 'createObjectURL', function createObjectURL(blob) {
        return nativeCreateObjectURL.apply(NativeURL, arguments);
      }); }
      // `URL.revokeObjectURL` method
      // https://developer.mozilla.org/en-US/docs/Web/API/URL/revokeObjectURL
      // eslint-disable-next-line no-unused-vars
      if (nativeRevokeObjectURL) { redefine(URLConstructor, 'revokeObjectURL', function revokeObjectURL(url) {
        return nativeRevokeObjectURL.apply(NativeURL, arguments);
      }); }
    }

    setToStringTag(URLConstructor, 'URL');

    _export({ global: true, forced: !nativeUrl, sham: !descriptors }, {
      URL: URLConstructor
    });

    // `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 defineProperty$c = objectDefineProperty.f;

    // `Array.prototype.lastIndex` getter
    // https://github.com/keithamus/proposal-array-last
    if (descriptors && !('lastIndex' in [])) {
      defineProperty$c(Array.prototype, 'lastIndex', {
        configurable: true,
        get: function lastIndex() {
          var O = toObject(this);
          var len = toLength(O.length);
          return len == 0 ? 0 : len - 1;
        }
      });

      addToUnscopables('lastIndex');
    }

    var defineProperty$d = objectDefineProperty.f;

    // `Array.prototype.lastIndex` accessor
    // https://github.com/keithamus/proposal-array-last
    if (descriptors && !('lastItem' in [])) {
      defineProperty$d(Array.prototype, 'lastItem', {
        configurable: true,
        get: function lastItem() {
          var O = toObject(this);
          var len = toLength(O.length);
          return len == 0 ? undefined : O[len - 1];
        },
        set: function lastItem(value) {
          var O = toObject(this);
          var len = toLength(O.length);
          return O[len == 0 ? 0 : len - 1] = value;
        }
      });

      addToUnscopables('lastItem');
    }

    // `Map.groupBy` method
    // https://github.com/tc39/proposal-collection-methods
    _export({ target: 'Map', stat: true }, {
      groupBy: function groupBy(iterable, keyDerivative) {
        var newMap = new this();
        aFunction$1(keyDerivative);
        var has = aFunction$1(newMap.has);
        var get = aFunction$1(newMap.get);
        var set = aFunction$1(newMap.set);
        iterate_1(iterable, function (element) {
          var derivedKey = keyDerivative(element);
          if (!has.call(newMap, derivedKey)) { set.call(newMap, derivedKey, [element]); }
          else { get.call(newMap, derivedKey).push(element); }
        });
        return newMap;
      }
    });

    // `Map.keyBy` method
    // https://github.com/tc39/proposal-collection-methods
    _export({ target: 'Map', stat: true }, {
      keyBy: function keyBy(iterable, keyDerivative) {
        var newMap = new this();
        aFunction$1(keyDerivative);
        var setter = aFunction$1(newMap.set);
        iterate_1(iterable, function (element) {
          setter.call(newMap, keyDerivative(element), element);
        });
        return newMap;
      }
    });

    // https://github.com/tc39/collection-methods
    var collectionDeleteAll = function (/* ...elements */) {
      var arguments$1 = arguments;

      var collection = anObject(this);
      var remover = aFunction$1(collection['delete']);
      var allDeleted = true;
      var wasDeleted;
      for (var k = 0, len = arguments.length; k < len; k++) {
        wasDeleted = remover.call(collection, arguments$1[k]);
        allDeleted = allDeleted && wasDeleted;
      }
      return !!allDeleted;
    };

    // `Map.prototype.deleteAll` method
    // https://github.com/tc39/proposal-collection-methods
    _export({ target: 'Map', proto: true, real: true, forced: isPure }, {
      deleteAll: function deleteAll(/* ...elements */) {
        return collectionDeleteAll.apply(this, arguments);
      }
    });

    var getMapIterator =  function (it) {
      // eslint-disable-next-line no-undef
      return Map.prototype.entries.call(it);
    };

    // `Map.prototype.every` method
    // https://github.com/tc39/proposal-collection-methods
    _export({ target: 'Map', proto: true, real: true, forced: isPure }, {
      every: function every(callbackfn /* , thisArg */) {
        var map = anObject(this);
        var iterator = getMapIterator(map);
        var boundFunction = functionBindContext(callbackfn, arguments.length > 1 ? arguments[1] : undefined, 3);
        return !iterate_1(iterator, function (key, value) {
          if (!boundFunction(value, key, map)) { return iterate_1.stop(); }
        }, undefined, true, true).stopped;
      }
    });

    // `Map.prototype.filter` method
    // https://github.com/tc39/proposal-collection-methods
    _export({ target: 'Map', proto: true, real: true, forced: isPure }, {
      filter: function filter(callbackfn /* , thisArg */) {
        var map = anObject(this);
        var iterator = getMapIterator(map);
        var boundFunction = functionBindContext(callbackfn, arguments.length > 1 ? arguments[1] : undefined, 3);
        var newMap = new (speciesConstructor(map, getBuiltIn('Map')))();
        var setter = aFunction$1(newMap.set);
        iterate_1(iterator, function (key, value) {
          if (boundFunction(value, key, map)) { setter.call(newMap, key, value); }
        }, undefined, true, true);
        return newMap;
      }
    });

    // `Map.prototype.find` method
    // https://github.com/tc39/proposal-collection-methods
    _export({ target: 'Map', proto: true, real: true, forced: isPure }, {
      find: function find(callbackfn /* , thisArg */) {
        var map = anObject(this);
        var iterator = getMapIterator(map);
        var boundFunction = functionBindContext(callbackfn, arguments.length > 1 ? arguments[1] : undefined, 3);
        return iterate_1(iterator, function (key, value) {
          if (boundFunction(value, key, map)) { return iterate_1.stop(value); }
        }, undefined, true, true).result;
      }
    });

    // `Map.prototype.findKey` method
    // https://github.com/tc39/proposal-collection-methods
    _export({ target: 'Map', proto: true, real: true, forced: isPure }, {
      findKey: function findKey(callbackfn /* , thisArg */) {
        var map = anObject(this);
        var iterator = getMapIterator(map);
        var boundFunction = functionBindContext(callbackfn, arguments.length > 1 ? arguments[1] : undefined, 3);
        return iterate_1(iterator, function (key, value) {
          if (boundFunction(value, key, map)) { return iterate_1.stop(key); }
        }, undefined, true, true).result;
      }
    });

    // `SameValueZero` abstract operation
    // https://tc39.github.io/ecma262/#sec-samevaluezero
    var sameValueZero = function (x, y) {
      // eslint-disable-next-line no-self-compare
      return x === y || x != x && y != y;
    };

    // `Map.prototype.includes` method
    // https://github.com/tc39/proposal-collection-methods
    _export({ target: 'Map', proto: true, real: true, forced: isPure }, {
      includes: function includes(searchElement) {
        return iterate_1(getMapIterator(anObject(this)), function (key, value) {
          if (sameValueZero(value, searchElement)) { return iterate_1.stop(); }
        }, undefined, true, true).stopped;
      }
    });

    // `Map.prototype.includes` method
    // https://github.com/tc39/proposal-collection-methods
    _export({ target: 'Map', proto: true, real: true, forced: isPure }, {
      keyOf: function keyOf(searchElement) {
        return iterate_1(getMapIterator(anObject(this)), function (key, value) {
          if (value === searchElement) { return iterate_1.stop(key); }
        }, undefined, true, true).result;
      }
    });

    // `Map.prototype.mapKeys` method
    // https://github.com/tc39/proposal-collection-methods
    _export({ target: 'Map', proto: true, real: true, forced: isPure }, {
      mapKeys: function mapKeys(callbackfn /* , thisArg */) {
        var map = anObject(this);
        var iterator = getMapIterator(map);
        var boundFunction = functionBindContext(callbackfn, arguments.length > 1 ? arguments[1] : undefined, 3);
        var newMap = new (speciesConstructor(map, getBuiltIn('Map')))();
        var setter = aFunction$1(newMap.set);
        iterate_1(iterator, function (key, value) {
          setter.call(newMap, boundFunction(value, key, map), value);
        }, undefined, true, true);
        return newMap;
      }
    });

    // `Map.prototype.mapValues` method
    // https://github.com/tc39/proposal-collection-methods
    _export({ target: 'Map', proto: true, real: true, forced: isPure }, {
      mapValues: function mapValues(callbackfn /* , thisArg */) {
        var map = anObject(this);
        var iterator = getMapIterator(map);
        var boundFunction = functionBindContext(callbackfn, arguments.length > 1 ? arguments[1] : undefined, 3);
        var newMap = new (speciesConstructor(map, getBuiltIn('Map')))();
        var setter = aFunction$1(newMap.set);
        iterate_1(iterator, function (key, value) {
          setter.call(newMap, key, boundFunction(value, key, map));
        }, undefined, true, true);
        return newMap;
      }
    });

    // `Map.prototype.merge` method
    // https://github.com/tc39/proposal-collection-methods
    _export({ target: 'Map', proto: true, real: true, forced: isPure }, {
      // eslint-disable-next-line no-unused-vars
      merge: function merge(iterable /* ...iterbles */) {
        var arguments$1 = arguments;

        var map = anObject(this);
        var setter = aFunction$1(map.set);
        var i = 0;
        while (i < arguments.length) {
          iterate_1(arguments$1[i++], setter, map, true);
        }
        return map;
      }
    });

    // `Map.prototype.reduce` method
    // https://github.com/tc39/proposal-collection-methods
    _export({ target: 'Map', proto: true, real: true, forced: isPure }, {
      reduce: function reduce(callbackfn /* , initialValue */) {
        var map = anObject(this);
        var iterator = getMapIterator(map);
        var noInitial = arguments.length < 2;
        var accumulator = noInitial ? undefined : arguments[1];
        aFunction$1(callbackfn);
        iterate_1(iterator, function (key, value) {
          if (noInitial) {
            noInitial = false;
            accumulator = value;
          } else {
            accumulator = callbackfn(accumulator, value, key, map);
          }
        }, undefined, true, true);
        if (noInitial) { throw TypeError('Reduce of empty map with no initial value'); }
        return accumulator;
      }
    });

    // `Set.prototype.some` method
    // https://github.com/tc39/proposal-collection-methods
    _export({ target: 'Map', proto: true, real: true, forced: isPure }, {
      some: function some(callbackfn /* , thisArg */) {
        var map = anObject(this);
        var iterator = getMapIterator(map);
        var boundFunction = functionBindContext(callbackfn, arguments.length > 1 ? arguments[1] : undefined, 3);
        return iterate_1(iterator, function (key, value) {
          if (boundFunction(value, key, map)) { return iterate_1.stop(); }
        }, undefined, true, true).stopped;
      }
    });

    // `Set.prototype.update` method
    // https://github.com/tc39/proposal-collection-methods
    _export({ target: 'Map', proto: true, real: true, forced: isPure }, {
      update: function update(key, callback /* , thunk */) {
        var map = anObject(this);
        var length = arguments.length;
        aFunction$1(callback);
        var isPresentInMap = map.has(key);
        if (!isPresentInMap && length < 3) {
          throw TypeError('Updating absent value');
        }
        var value = isPresentInMap ? map.get(key) : aFunction$1(length > 2 ? arguments[2] : undefined)(key, map);
        map.set(key, callback(value, key, map));
        return map;
      }
    });

    // https://github.com/tc39/collection-methods
    var collectionAddAll = function (/* ...elements */) {
      var arguments$1 = arguments;

      var set = anObject(this);
      var adder = aFunction$1(set.add);
      for (var k = 0, len = arguments.length; k < len; k++) {
        adder.call(set, arguments$1[k]);
      }
      return set;
    };

    // `Set.prototype.addAll` method
    // https://github.com/tc39/proposal-collection-methods
    _export({ target: 'Set', proto: true, real: true, forced: isPure }, {
      addAll: function addAll(/* ...elements */) {
        return collectionAddAll.apply(this, arguments);
      }
    });

    // `Set.prototype.deleteAll` method
    // https://github.com/tc39/proposal-collection-methods
    _export({ target: 'Set', proto: true, real: true, forced: isPure }, {
      deleteAll: function deleteAll(/* ...elements */) {
        return collectionDeleteAll.apply(this, arguments);
      }
    });

    var getSetIterator =  function (it) {
      // eslint-disable-next-line no-undef
      return Set.prototype.values.call(it);
    };

    // `Set.prototype.every` method
    // https://github.com/tc39/proposal-collection-methods
    _export({ target: 'Set', proto: true, real: true, forced: isPure }, {
      every: function every(callbackfn /* , thisArg */) {
        var set = anObject(this);
        var iterator = getSetIterator(set);
        var boundFunction = functionBindContext(callbackfn, arguments.length > 1 ? arguments[1] : undefined, 3);
        return !iterate_1(iterator, function (value) {
          if (!boundFunction(value, value, set)) { return iterate_1.stop(); }
        }, undefined, false, true).stopped;
      }
    });

    // `Set.prototype.filter` method
    // https://github.com/tc39/proposal-collection-methods
    _export({ target: 'Set', proto: true, real: true, forced: isPure }, {
      filter: function filter(callbackfn /* , thisArg */) {
        var set = anObject(this);
        var iterator = getSetIterator(set);
        var boundFunction = functionBindContext(callbackfn, arguments.length > 1 ? arguments[1] : undefined, 3);
        var newSet = new (speciesConstructor(set, getBuiltIn('Set')))();
        var adder = aFunction$1(newSet.add);
        iterate_1(iterator, function (value) {
          if (boundFunction(value, value, set)) { adder.call(newSet, value); }
        }, undefined, false, true);
        return newSet;
      }
    });

    // `Set.prototype.find` method
    // https://github.com/tc39/proposal-collection-methods
    _export({ target: 'Set', proto: true, real: true, forced: isPure }, {
      find: function find(callbackfn /* , thisArg */) {
        var set = anObject(this);
        var iterator = getSetIterator(set);
        var boundFunction = functionBindContext(callbackfn, arguments.length > 1 ? arguments[1] : undefined, 3);
        return iterate_1(iterator, function (value) {
          if (boundFunction(value, value, set)) { return iterate_1.stop(value); }
        }, undefined, false, true).result;
      }
    });

    // `Set.prototype.join` method
    // https://github.com/tc39/proposal-collection-methods
    _export({ target: 'Set', proto: true, real: true, forced: isPure }, {
      join: function join(separator) {
        var set = anObject(this);
        var iterator = getSetIterator(set);
        var sep = separator === undefined ? ',' : String(separator);
        var result = [];
        iterate_1(iterator, result.push, result, false, true);
        return result.join(sep);
      }
    });

    // `Set.prototype.map` method
    // https://github.com/tc39/proposal-collection-methods
    _export({ target: 'Set', proto: true, real: true, forced: isPure }, {
      map: function map(callbackfn /* , thisArg */) {
        var set = anObject(this);
        var iterator = getSetIterator(set);
        var boundFunction = functionBindContext(callbackfn, arguments.length > 1 ? arguments[1] : undefined, 3);
        var newSet = new (speciesConstructor(set, getBuiltIn('Set')))();
        var adder = aFunction$1(newSet.add);
        iterate_1(iterator, function (value) {
          adder.call(newSet, boundFunction(value, value, set));
        }, undefined, false, true);
        return newSet;
      }
    });

    // `Set.prototype.reduce` method
    // https://github.com/tc39/proposal-collection-methods
    _export({ target: 'Set', proto: true, real: true, forced: isPure }, {
      reduce: function reduce(callbackfn /* , initialValue */) {
        var set = anObject(this);
        var iterator = getSetIterator(set);
        var noInitial = arguments.length < 2;
        var accumulator = noInitial ? undefined : arguments[1];
        aFunction$1(callbackfn);
        iterate_1(iterator, function (value) {
          if (noInitial) {
            noInitial = false;
            accumulator = value;
          } else {
            accumulator = callbackfn(accumulator, value, value, set);
          }
        }, undefined, false, true);
        if (noInitial) { throw TypeError('Reduce of empty set with no initial value'); }
        return accumulator;
      }
    });

    // `Set.prototype.some` method
    // https://github.com/tc39/proposal-collection-methods
    _export({ target: 'Set', proto: true, real: true, forced: isPure }, {
      some: function some(callbackfn /* , thisArg */) {
        var set = anObject(this);
        var iterator = getSetIterator(set);
        var boundFunction = functionBindContext(callbackfn, arguments.length > 1 ? arguments[1] : undefined, 3);
        return iterate_1(iterator, function (value) {
          if (boundFunction(value, value, set)) { return iterate_1.stop(); }
        }, undefined, false, true).stopped;
      }
    });

    // `WeakMap.prototype.deleteAll` method
    // https://github.com/tc39/proposal-collection-methods
    _export({ target: 'WeakMap', proto: true, real: true, forced: isPure }, {
      deleteAll: function deleteAll(/* ...elements */) {
        return collectionDeleteAll.apply(this, arguments);
      }
    });

    // `WeakSet.prototype.addAll` method
    // https://github.com/tc39/proposal-collection-methods
    _export({ target: 'WeakSet', proto: true, real: true, forced: isPure }, {
      addAll: function addAll(/* ...elements */) {
        return collectionAddAll.apply(this, arguments);
      }
    });

    // `WeakSet.prototype.deleteAll` method
    // https://github.com/tc39/proposal-collection-methods
    _export({ target: 'WeakSet', proto: true, real: true, forced: isPure }, {
      deleteAll: function deleteAll(/* ...elements */) {
        return collectionDeleteAll.apply(this, arguments);
      }
    });

    // https://tc39.github.io/proposal-setmap-offrom/




    var collectionFrom = function from(source /* , mapFn, thisArg */) {
      var length = arguments.length;
      var mapFn = length > 1 ? arguments[1] : undefined;
      var mapping, A, n, boundFunction;
      aFunction$1(this);
      mapping = mapFn !== undefined;
      if (mapping) { aFunction$1(mapFn); }
      if (source == undefined) { return new this(); }
      A = [];
      if (mapping) {
        n = 0;
        boundFunction = functionBindContext(mapFn, length > 2 ? arguments[2] : undefined, 2);
        iterate_1(source, function (nextItem) {
          A.push(boundFunction(nextItem, n++));
        });
      } else {
        iterate_1(source, A.push, A);
      }
      return new this(A);
    };

    // `Map.from` method
    // https://tc39.github.io/proposal-setmap-offrom/#sec-map.from
    _export({ target: 'Map', stat: true }, {
      from: collectionFrom
    });

    // https://tc39.github.io/proposal-setmap-offrom/
    var collectionOf = function of() {
      var arguments$1 = arguments;

      var length = arguments.length;
      var A = new Array(length);
      while (length--) { A[length] = arguments$1[length]; }
      return new this(A);
    };

    // `Map.of` method
    // https://tc39.github.io/proposal-setmap-offrom/#sec-map.of
    _export({ target: 'Map', stat: true }, {
      of: collectionOf
    });

    // `Set.from` method
    // https://tc39.github.io/proposal-setmap-offrom/#sec-set.from
    _export({ target: 'Set', stat: true }, {
      from: collectionFrom
    });

    // `Set.of` method
    // https://tc39.github.io/proposal-setmap-offrom/#sec-set.of
    _export({ target: 'Set', stat: true }, {
      of: collectionOf
    });

    // `WeakMap.from` method
    // https://tc39.github.io/proposal-setmap-offrom/#sec-weakmap.from
    _export({ target: 'WeakMap', stat: true }, {
      from: collectionFrom
    });

    // `WeakMap.of` method
    // https://tc39.github.io/proposal-setmap-offrom/#sec-weakmap.of
    _export({ target: 'WeakMap', stat: true }, {
      of: collectionOf
    });

    // `WeakSet.from` method
    // https://tc39.github.io/proposal-setmap-offrom/#sec-weakset.from
    _export({ target: 'WeakSet', stat: true }, {
      from: collectionFrom
    });

    // `WeakSet.of` method
    // https://tc39.github.io/proposal-setmap-offrom/#sec-weakset.of
    _export({ target: 'WeakSet', stat: true }, {
      of: collectionOf
    });

    // TODO: in core-js@4, move /modules/ dependencies to public entries for better optimization by tools like `preset-env`





    var Node = function () {
      // keys
      this.object = null;
      this.symbol = null;
      // child nodes
      this.primitives = null;
      this.objectsByIndex = objectCreate(null);
    };

    Node.prototype.get = function (key, initializer) {
      return this[key] || (this[key] = initializer());
    };

    Node.prototype.next = function (i, it, IS_OBJECT) {
      var store = IS_OBJECT
        ? this.objectsByIndex[i] || (this.objectsByIndex[i] = new es_weakMap())
        : this.primitives || (this.primitives = new es_map());
      var entry = store.get(it);
      if (!entry) { store.set(it, entry = new Node()); }
      return entry;
    };

    var root = new Node();

    var compositeKey = function () {
      var arguments$1 = arguments;

      var active = root;
      var length = arguments.length;
      var i, it;
      // for prevent leaking, start from objects
      for (i = 0; i < length; i++) {
        if (isObject(it = arguments$1[i])) { active = active.next(i, it, true); }
      }
      if (this === Object && active === root) { throw TypeError('Composite keys must contain a non-primitive component'); }
      for (i = 0; i < length; i++) {
        if (!isObject(it = arguments$1[i])) { active = active.next(i, it, false); }
      } return active;
    };

    var initializer = function () {
      var freeze = getBuiltIn('Object', 'freeze');
      return freeze ? freeze(objectCreate(null)) : objectCreate(null);
    };

    // https://github.com/tc39/proposal-richer-keys/tree/master/compositeKey
    _export({ global: true }, {
      compositeKey: function compositeKey$1() {
        return compositeKey.apply(Object, arguments).get('object', initializer);
      }
    });

    // https://github.com/tc39/proposal-richer-keys/tree/master/compositeKey
    _export({ global: true }, {
      compositeSymbol: function compositeSymbol() {
        if (arguments.length === 1 && typeof arguments[0] === 'string') { return getBuiltIn('Symbol')['for'](arguments[0]); }
        return compositeKey.apply(null, arguments).get('symbol', getBuiltIn('Symbol'));
      }
    });

    var min$9 = Math.min;
    var max$4 = Math.max;

    // `Math.clamp` method
    // https://rwaldron.github.io/proposal-math-extensions/
    _export({ target: 'Math', stat: true }, {
      clamp: function clamp(x, lower, upper) {
        return min$9(upper, max$4(lower, x));
      }
    });

    // `Math.DEG_PER_RAD` constant
    // https://rwaldron.github.io/proposal-math-extensions/
    _export({ target: 'Math', stat: true }, {
      DEG_PER_RAD: Math.PI / 180
    });

    var RAD_PER_DEG = 180 / Math.PI;

    // `Math.degrees` method
    // https://rwaldron.github.io/proposal-math-extensions/
    _export({ target: 'Math', stat: true }, {
      degrees: function degrees(radians) {
        return radians * RAD_PER_DEG;
      }
    });

    // `Math.scale` method implementation
    // https://rwaldron.github.io/proposal-math-extensions/
    var mathScale = Math.scale || function scale(x, inLow, inHigh, outLow, outHigh) {
      if (
        arguments.length === 0
          /* eslint-disable no-self-compare */
          || x != x
          || inLow != inLow
          || inHigh != inHigh
          || outLow != outLow
          || outHigh != outHigh
          /* eslint-enable no-self-compare */
      ) { return NaN; }
      if (x === Infinity || x === -Infinity) { return x; }
      return (x - inLow) * (outHigh - outLow) / (inHigh - inLow) + outLow;
    };

    // `Math.fscale` method
    // https://rwaldron.github.io/proposal-math-extensions/
    _export({ target: 'Math', stat: true }, {
      fscale: function fscale(x, inLow, inHigh, outLow, outHigh) {
        return mathFround(mathScale(x, inLow, inHigh, outLow, outHigh));
      }
    });

    // `Math.RAD_PER_DEG` constant
    // https://rwaldron.github.io/proposal-math-extensions/
    _export({ target: 'Math', stat: true }, {
      RAD_PER_DEG: 180 / Math.PI
    });

    var DEG_PER_RAD = Math.PI / 180;

    // `Math.radians` method
    // https://rwaldron.github.io/proposal-math-extensions/
    _export({ target: 'Math', stat: true }, {
      radians: function radians(degrees) {
        return degrees * DEG_PER_RAD;
      }
    });

    // `Math.scale` method
    // https://rwaldron.github.io/proposal-math-extensions/
    _export({ target: 'Math', stat: true }, {
      scale: mathScale
    });

    // `Math.signbit` method
    // https://github.com/tc39/proposal-Math.signbit
    _export({ target: 'Math', stat: true }, {
      signbit: function signbit(x) {
        return (x = +x) == x && x == 0 ? 1 / x == -Infinity : x < 0;
      }
    });

    var INVALID_NUMBER_REPRESENTATION = 'Invalid number representation';
    var INVALID_RADIX = 'Invalid radix';
    var valid = /^[\da-z]+$/;

    // `Number.fromString` method
    // https://github.com/tc39/proposal-number-fromstring
    _export({ target: 'Number', stat: true }, {
      fromString: function fromString(string, radix) {
        var sign = 1;
        var R, mathNum;
        if (typeof string != 'string') { throw TypeError(INVALID_NUMBER_REPRESENTATION); }
        if (!string.length) { throw SyntaxError(INVALID_NUMBER_REPRESENTATION); }
        if (string.charAt(0) == '-') {
          sign = -1;
          string = string.slice(1);
          if (!string.length) { throw SyntaxError(INVALID_NUMBER_REPRESENTATION); }
        }
        R = radix === undefined ? 10 : toInteger(radix);
        if (R < 2 || R > 36) { throw RangeError(INVALID_RADIX); }
        if (!valid.test(string) || (mathNum = numberParseInt(string, R)).toString(R) !== string) {
          throw SyntaxError(INVALID_NUMBER_REPRESENTATION);
        }
        return sign * mathNum;
      }
    });

    var OBJECT_ITERATOR = 'Object Iterator';
    var setInternalState$b = internalState.set;
    var getInternalState$7 = internalState.getterFor(OBJECT_ITERATOR);

    var objectIterator = createIteratorConstructor(function ObjectIterator(source, mode) {
      var object = toObject(source);
      setInternalState$b(this, {
        type: OBJECT_ITERATOR,
        mode: mode,
        object: object,
        keys: objectKeys(object),
        index: 0
      });
    }, 'Object', function next() {
      var state = getInternalState$7(this);
      var keys = state.keys;
      while (true) {
        if (keys === null || state.index >= keys.length) {
          state.object = state.keys = null;
          return { value: undefined, done: true };
        }
        var key = keys[state.index++];
        var object = state.object;
        if (!has(object, key)) { continue; }
        switch (state.mode) {
          case 'keys': return { value: key, done: false };
          case 'values': return { value: object[key], done: false };
        } /* entries */ return { value: [key, object[key]], done: false };
      }
    });

    // `Object.iterateEntries` method
    // https://github.com/tc39/proposal-object-iteration
    _export({ target: 'Object', stat: true }, {
      iterateEntries: function iterateEntries(object) {
        return new objectIterator(object, 'entries');
      }
    });

    // `Object.iterateKeys` method
    // https://github.com/tc39/proposal-object-iteration
    _export({ target: 'Object', stat: true }, {
      iterateKeys: function iterateKeys(object) {
        return new objectIterator(object, 'keys');
      }
    });

    // `Object.iterateValues` method
    // https://github.com/tc39/proposal-object-iteration
    _export({ target: 'Object', stat: true }, {
      iterateValues: function iterateValues(object) {
        return new objectIterator(object, 'values');
      }
    });

    // https://github.com/tc39/proposal-observable







    var defineProperty$e = objectDefineProperty.f;








    var OBSERVABLE = wellKnownSymbol('observable');
    var getInternalState$8 = internalState.get;
    var setInternalState$c = internalState.set;

    var getMethod = function (fn) {
      return fn == null ? undefined : aFunction$1(fn);
    };

    var cleanupSubscription = function (subscriptionState) {
      var cleanup = subscriptionState.cleanup;
      if (cleanup) {
        subscriptionState.cleanup = undefined;
        try {
          cleanup();
        } catch (error) {
          hostReportErrors(error);
        }
      }
    };

    var subscriptionClosed = function (subscriptionState) {
      return subscriptionState.observer === undefined;
    };

    var close = function (subscription, subscriptionState) {
      if (!descriptors) {
        subscription.closed = true;
        var subscriptionObserver = subscriptionState.subscriptionObserver;
        if (subscriptionObserver) { subscriptionObserver.closed = true; }
      } subscriptionState.observer = undefined;
    };

    var Subscription = function (observer, subscriber) {
      var subscriptionState = setInternalState$c(this, {
        cleanup: undefined,
        observer: anObject(observer),
        subscriptionObserver: undefined
      });
      var start;
      if (!descriptors) { this.closed = false; }
      try {
        if (start = getMethod(observer.start)) { start.call(observer, this); }
      } catch (error) {
        hostReportErrors(error);
      }
      if (subscriptionClosed(subscriptionState)) { return; }
      var subscriptionObserver = subscriptionState.subscriptionObserver = new SubscriptionObserver(this);
      try {
        var cleanup = subscriber(subscriptionObserver);
        var subscription = cleanup;
        if (cleanup != null) { subscriptionState.cleanup = typeof cleanup.unsubscribe === 'function'
          ? function () { subscription.unsubscribe(); }
          : aFunction$1(cleanup); }
      } catch (error$1) {
        subscriptionObserver.error(error$1);
        return;
      } if (subscriptionClosed(subscriptionState)) { cleanupSubscription(subscriptionState); }
    };

    Subscription.prototype = redefineAll({}, {
      unsubscribe: function unsubscribe() {
        var subscriptionState = getInternalState$8(this);
        if (!subscriptionClosed(subscriptionState)) {
          close(this, subscriptionState);
          cleanupSubscription(subscriptionState);
        }
      }
    });

    if (descriptors) { defineProperty$e(Subscription.prototype, 'closed', {
      configurable: true,
      get: function () {
        return subscriptionClosed(getInternalState$8(this));
      }
    }); }

    var SubscriptionObserver = function (subscription) {
      setInternalState$c(this, { subscription: subscription });
      if (!descriptors) { this.closed = false; }
    };

    SubscriptionObserver.prototype = redefineAll({}, {
      next: function next(value) {
        var subscriptionState = getInternalState$8(getInternalState$8(this).subscription);
        if (!subscriptionClosed(subscriptionState)) {
          var observer = subscriptionState.observer;
          try {
            var nextMethod = getMethod(observer.next);
            if (nextMethod) { nextMethod.call(observer, value); }
          } catch (error) {
            hostReportErrors(error);
          }
        }
      },
      error: function error(value) {
        var subscription = getInternalState$8(this).subscription;
        var subscriptionState = getInternalState$8(subscription);
        if (!subscriptionClosed(subscriptionState)) {
          var observer = subscriptionState.observer;
          close(subscription, subscriptionState);
          try {
            var errorMethod = getMethod(observer.error);
            if (errorMethod) { errorMethod.call(observer, value); }
            else { hostReportErrors(value); }
          } catch (err) {
            hostReportErrors(err);
          } cleanupSubscription(subscriptionState);
        }
      },
      complete: function complete() {
        var subscription = getInternalState$8(this).subscription;
        var subscriptionState = getInternalState$8(subscription);
        if (!subscriptionClosed(subscriptionState)) {
          var observer = subscriptionState.observer;
          close(subscription, subscriptionState);
          try {
            var completeMethod = getMethod(observer.complete);
            if (completeMethod) { completeMethod.call(observer); }
          } catch (error) {
            hostReportErrors(error);
          } cleanupSubscription(subscriptionState);
        }
      }
    });

    if (descriptors) { defineProperty$e(SubscriptionObserver.prototype, 'closed', {
      configurable: true,
      get: function () {
        return subscriptionClosed(getInternalState$8(getInternalState$8(this).subscription));
      }
    }); }

    var $Observable = function Observable(subscriber) {
      anInstance(this, $Observable, 'Observable');
      setInternalState$c(this, { subscriber: aFunction$1(subscriber) });
    };

    redefineAll($Observable.prototype, {
      subscribe: function subscribe(observer) {
        var length = arguments.length;
        return new Subscription(typeof observer === 'function' ? {
          next: observer,
          error: length > 1 ? arguments[1] : undefined,
          complete: length > 2 ? arguments[2] : undefined
        } : isObject(observer) ? observer : {}, getInternalState$8(this).subscriber);
      }
    });

    redefineAll($Observable, {
      from: function from(x) {
        var C = typeof this === 'function' ? this : $Observable;
        var observableMethod = getMethod(anObject(x)[OBSERVABLE]);
        if (observableMethod) {
          var observable = anObject(observableMethod.call(x));
          return observable.constructor === C ? observable : new C(function (observer) {
            return observable.subscribe(observer);
          });
        }
        var iterator = getIterator(x);
        return new C(function (observer) {
          iterate_1(iterator, function (it) {
            observer.next(it);
            if (observer.closed) { return iterate_1.stop(); }
          }, undefined, false, true);
          observer.complete();
        });
      },
      of: function of() {
        var arguments$1 = arguments;

        var C = typeof this === 'function' ? this : $Observable;
        var length = arguments.length;
        var items = new Array(length);
        var index = 0;
        while (index < length) { items[index] = arguments$1[index++]; }
        return new C(function (observer) {
          for (var i = 0; i < length; i++) {
            observer.next(items[i]);
            if (observer.closed) { return; }
          } observer.complete();
        });
      }
    });

    createNonEnumerableProperty($Observable.prototype, OBSERVABLE, function () { return this; });

    _export({ global: true }, {
      Observable: $Observable
    });

    setSpecies('Observable');

    // `Symbol.observable` well-known symbol
    // https://github.com/tc39/proposal-observable
    defineWellKnownSymbol('observable');

    // `Symbol.patternMatch` well-known symbol
    // https://github.com/tc39/proposal-pattern-matching
    defineWellKnownSymbol('patternMatch');

    // `Promise.try` method
    // https://github.com/tc39/proposal-promise-try
    _export({ target: 'Promise', stat: true }, {
      'try': function (callbackfn) {
        var promiseCapability = newPromiseCapability.f(this);
        var result = perform(callbackfn);
        (result.error ? promiseCapability.reject : promiseCapability.resolve)(result.value);
        return promiseCapability.promise;
      }
    });

    var SEEDED_RANDOM = 'Seeded Random';
    var SEEDED_RANDOM_GENERATOR = SEEDED_RANDOM + ' Generator';
    var setInternalState$d = internalState.set;
    var getInternalState$9 = internalState.getterFor(SEEDED_RANDOM_GENERATOR);
    var SEED_TYPE_ERROR = 'Math.seededPRNG() argument should have a "seed" field with a finite value.';

    var $SeededRandomGenerator = createIteratorConstructor(function SeededRandomGenerator(seed) {
      setInternalState$d(this, {
        type: SEEDED_RANDOM_GENERATOR,
        seed: seed % 2147483647
      });
    }, SEEDED_RANDOM, function next() {
      var state = getInternalState$9(this);
      var seed = state.seed = (state.seed * 1103515245 + 12345) % 2147483647;
      return { value: (seed & 1073741823) / 1073741823, done: false };
    });

    // `Math.seededPRNG` method
    // https://github.com/tc39/proposal-seeded-random
    // based on https://github.com/tc39/proposal-seeded-random/blob/78b8258835b57fc2100d076151ab506bc3202ae6/demo.html
    _export({ target: 'Math', stat: true, forced: true }, {
      seededPRNG: function seededPRNG(it) {
        var seed = anObject(it).seed;
        if (!numberIsFinite(seed)) { throw TypeError(SEED_TYPE_ERROR); }
        return new $SeededRandomGenerator(seed);
      }
    });

    var codeAt$2 = stringMultibyte.codeAt;
    var charAt$3 = stringMultibyte.charAt;
    var STRING_ITERATOR$1 = 'String Iterator';
    var setInternalState$e = internalState.set;
    var getInternalState$a = internalState.getterFor(STRING_ITERATOR$1);

    // TODO: unify with String#@@iterator
    var $StringIterator = createIteratorConstructor(function StringIterator(string) {
      setInternalState$e(this, {
        type: STRING_ITERATOR$1,
        string: string,
        index: 0
      });
    }, 'String', function next() {
      var state = getInternalState$a(this);
      var string = state.string;
      var index = state.index;
      var point;
      if (index >= string.length) { return { value: undefined, done: true }; }
      point = charAt$3(string, index);
      state.index += point.length;
      return { value: { codePoint: codeAt$2(point, 0), position: index }, done: false };
    });

    // `String.prototype.codePoints` method
    // https://github.com/tc39/proposal-string-prototype-codepoints
    _export({ target: 'String', proto: true }, {
      codePoints: function codePoints() {
        return new $StringIterator(String(requireObjectCoercible(this)));
      }
    });

    var isFrozen = Object.isFrozen;

    var isFrozenStringArray = function (array, allowUndefined) {
      if (!isFrozen || !isArray(array) || !isFrozen(array)) { return false; }
      var index = 0;
      var length = array.length;
      var element;
      while (index < length) {
        element = array[index++];
        if (!(typeof element === 'string' || (allowUndefined && typeof element === 'undefined'))) {
          return false;
        }
      } return length !== 0;
    };

    // `Array.isTemplateObject` method
    // https://github.com/tc39/proposal-array-is-template-object
    _export({ target: 'Array', stat: true }, {
      isTemplateObject: function isTemplateObject(value) {
        if (!isFrozenStringArray(value, true)) { return false; }
        var raw = value.raw;
        if (raw.length !== value.length || !isFrozenStringArray(raw, false)) { return false; }
        return true;
      }
    });

    var USE_FUNCTION_CONSTRUCTOR = 'USE_FUNCTION_CONSTRUCTOR';
    var ASYNC_ITERATOR = wellKnownSymbol('asyncIterator');
    var AsyncIterator = global_1.AsyncIterator;
    var PassedAsyncIteratorPrototype = sharedStore.AsyncIteratorPrototype;
    var AsyncIteratorPrototype, prototype;

    {
      if (PassedAsyncIteratorPrototype) {
        AsyncIteratorPrototype = PassedAsyncIteratorPrototype;
      } else if (typeof AsyncIterator == 'function') {
        AsyncIteratorPrototype = AsyncIterator.prototype;
      } else if (sharedStore[USE_FUNCTION_CONSTRUCTOR] || global_1[USE_FUNCTION_CONSTRUCTOR]) {
        try {
          // eslint-disable-next-line no-new-func
          prototype = objectGetPrototypeOf(objectGetPrototypeOf(objectGetPrototypeOf(Function('return async function*(){}()')())));
          if (objectGetPrototypeOf(prototype) === Object.prototype) { AsyncIteratorPrototype = prototype; }
        } catch (error) { /* empty */ }
      }
    }

    if (!AsyncIteratorPrototype) { AsyncIteratorPrototype = {}; }

    if (!has(AsyncIteratorPrototype, ASYNC_ITERATOR)) {
      createNonEnumerableProperty(AsyncIteratorPrototype, ASYNC_ITERATOR, function () {
        return this;
      });
    }

    var asyncIteratorPrototype = AsyncIteratorPrototype;

    // https://github.com/tc39/proposal-iterator-helpers








    var TO_STRING_TAG$4 = wellKnownSymbol('toStringTag');

    var AsyncIteratorConstructor = function AsyncIterator() {
      anInstance(this, AsyncIteratorConstructor);
    };

    AsyncIteratorConstructor.prototype = asyncIteratorPrototype;

    if (!has(asyncIteratorPrototype, TO_STRING_TAG$4)) {
      createNonEnumerableProperty(asyncIteratorPrototype, TO_STRING_TAG$4, 'AsyncIterator');
    }

    if (!has(asyncIteratorPrototype, 'constructor') || asyncIteratorPrototype.constructor === Object) {
      createNonEnumerableProperty(asyncIteratorPrototype, 'constructor', AsyncIteratorConstructor);
    }

    _export({ global: true, forced: isPure }, {
      AsyncIterator: AsyncIteratorConstructor
    });

    var Promise$2 = getBuiltIn('Promise');

    var setInternalState$f = internalState.set;
    var getInternalState$b = internalState.get;

    var TO_STRING_TAG$5 = wellKnownSymbol('toStringTag');

    var $return = function (value) {
      var iterator = getInternalState$b(this).iterator;
      var $$return = iterator['return'];
      return $$return === undefined
        ? Promise$2.resolve({ done: true, value: value })
        : anObject($$return.call(iterator, value));
    };

    var $throw = function (value) {
      var iterator = getInternalState$b(this).iterator;
      var $$throw = iterator['throw'];
      return $$throw === undefined
        ? Promise$2.reject(value)
        : $$throw.call(iterator, value);
    };

    var asyncIteratorCreateProxy = function (nextHandler, IS_ITERATOR) {
      var AsyncIteratorProxy = function AsyncIterator(state) {
        state.next = aFunction$1(state.iterator.next);
        state.done = false;
        setInternalState$f(this, state);
      };

      AsyncIteratorProxy.prototype = redefineAll(objectCreate(path.AsyncIterator.prototype), {
        next: function next(arg) {
          var state = getInternalState$b(this);
          if (state.done) { return Promise$2.resolve({ done: true, value: undefined }); }
          try {
            return Promise$2.resolve(anObject(nextHandler.call(state, arg, Promise$2)));
          } catch (error) {
            return Promise$2.reject(error);
          }
        },
        'return': $return,
        'throw': $throw
      });

      if (!IS_ITERATOR) {
        createNonEnumerableProperty(AsyncIteratorProxy.prototype, TO_STRING_TAG$5, 'Generator');
      }

      return AsyncIteratorProxy;
    };

    // https://github.com/tc39/proposal-iterator-helpers




    var AsyncIteratorProxy = asyncIteratorCreateProxy(function (arg, Promise) {
      var state = this;
      var iterator = state.iterator;

      return Promise.resolve(anObject(state.next.call(iterator, arg))).then(function (step) {
        if (anObject(step).done) {
          state.done = true;
          return { done: true, value: undefined };
        }
        return { done: false, value: [state.index++, step.value] };
      });
    });

    _export({ target: 'AsyncIterator', proto: true, real: true }, {
      asIndexedPairs: function asIndexedPairs() {
        return new AsyncIteratorProxy({
          iterator: anObject(this),
          index: 0
        });
      }
    });

    // https://github.com/tc39/proposal-iterator-helpers





    var AsyncIteratorProxy$1 = asyncIteratorCreateProxy(function (arg, Promise) {
      var state = this;

      return new Promise(function (resolve, reject) {
        var loop = function () {
          try {
            Promise.resolve(
              anObject(state.next.call(state.iterator, state.remaining ? undefined : arg))
            ).then(function (step) {
              try {
                if (anObject(step).done) {
                  state.done = true;
                  resolve({ done: true, value: undefined });
                } else if (state.remaining) {
                  state.remaining--;
                  loop();
                } else { resolve({ done: false, value: step.value }); }
              } catch (err) { reject(err); }
            }, reject);
          } catch (error) { reject(error); }
        };

        loop();
      });
    });

    _export({ target: 'AsyncIterator', proto: true, real: true }, {
      drop: function drop(limit) {
        return new AsyncIteratorProxy$1({
          iterator: anObject(this),
          remaining: toPositiveInteger(limit)
        });
      }
    });

    // https://github.com/tc39/proposal-iterator-helpers




    var Promise$3 = getBuiltIn('Promise');
    var push$1 = [].push;

    var createMethod$7 = function (TYPE) {
      var IS_TO_ARRAY = TYPE == 0;
      var IS_FOR_EACH = TYPE == 1;
      var IS_EVERY = TYPE == 2;
      var IS_SOME = TYPE == 3;
      return function (iterator, fn) {
        anObject(iterator);
        var next = aFunction$1(iterator.next);
        var array = IS_TO_ARRAY ? [] : undefined;
        if (!IS_TO_ARRAY) { aFunction$1(fn); }

        return new Promise$3(function (resolve, reject) {
          var loop = function () {
            try {
              Promise$3.resolve(anObject(next.call(iterator))).then(function (step) {
                try {
                  if (anObject(step).done) {
                    resolve(IS_TO_ARRAY ? array : IS_SOME ? false : IS_EVERY || undefined);
                  } else {
                    var value = step.value;
                    if (IS_TO_ARRAY) {
                      push$1.call(array, value);
                      loop();
                    } else {
                      Promise$3.resolve(fn(value)).then(function (result) {
                        if (IS_FOR_EACH) {
                          loop();
                        } else if (IS_EVERY) {
                          result ? loop() : resolve(false);
                        } else {
                          result ? resolve(IS_SOME || value) : loop();
                        }
                      }, reject);
                    }
                  }
                } catch (err) { reject(err); }
              }, reject);
            } catch (error) { reject(error); }
          };

          loop();
        });
      };
    };

    var asyncIteratorIteration = {
      toArray: createMethod$7(0),
      forEach: createMethod$7(1),
      every: createMethod$7(2),
      some: createMethod$7(3),
      find: createMethod$7(4)
    };

    // https://github.com/tc39/proposal-iterator-helpers

    var $every$2 = asyncIteratorIteration.every;

    _export({ target: 'AsyncIterator', proto: true, real: true }, {
      every: function every(fn) {
        return $every$2(this, fn);
      }
    });

    // https://github.com/tc39/proposal-iterator-helpers





    var AsyncIteratorProxy$2 = asyncIteratorCreateProxy(function (arg, Promise) {
      var state = this;
      var filterer = state.filterer;

      return new Promise(function (resolve, reject) {
        var loop = function () {
          try {
            Promise.resolve(anObject(state.next.call(state.iterator, arg))).then(function (step) {
              try {
                if (anObject(step).done) {
                  state.done = true;
                  resolve({ done: true, value: undefined });
                } else {
                  var value = step.value;
                  Promise.resolve(filterer(value)).then(function (selected) {
                    selected ? resolve({ done: false, value: value }) : loop();
                  }, reject);
                }
              } catch (err) { reject(err); }
            }, reject);
          } catch (error) { reject(error); }
        };

        loop();
      });
    });

    _export({ target: 'AsyncIterator', proto: true, real: true }, {
      filter: function filter(filterer) {
        return new AsyncIteratorProxy$2({
          iterator: anObject(this),
          filterer: aFunction$1(filterer)
        });
      }
    });

    // https://github.com/tc39/proposal-iterator-helpers

    var $find$2 = asyncIteratorIteration.find;

    _export({ target: 'AsyncIterator', proto: true, real: true }, {
      find: function find(fn) {
        return $find$2(this, fn);
      }
    });

    var ASYNC_ITERATOR$1 = wellKnownSymbol('asyncIterator');

    var getAsyncIteratorMethod = function (it) {
      var method = it[ASYNC_ITERATOR$1];
      return method === undefined ? getIteratorMethod(it) : method;
    };

    // https://github.com/tc39/proposal-iterator-helpers






    var AsyncIteratorProxy$3 = asyncIteratorCreateProxy(function (arg, Promise) {
      var state = this;
      var mapper = state.mapper;
      var innerIterator, iteratorMethod;

      return new Promise(function (resolve, reject) {
        var outerLoop = function () {
          try {
            Promise.resolve(anObject(state.next.call(state.iterator, arg))).then(function (step) {
              try {
                if (anObject(step).done) {
                  state.done = true;
                  resolve({ done: true, value: undefined });
                } else {
                  Promise.resolve(mapper(step.value)).then(function (mapped) {
                    try {
                      iteratorMethod = getAsyncIteratorMethod(mapped);
                      if (iteratorMethod !== undefined) {
                        state.innerIterator = innerIterator = anObject(iteratorMethod.call(mapped));
                        state.innerNext = aFunction$1(innerIterator.next);
                        return innerLoop();
                      } reject(TypeError('.flatMap callback should return an iterable object'));
                    } catch (error2) { reject(error2); }
                  }, reject);
                }
              } catch (error1) { reject(error1); }
            }, reject);
          } catch (error) { reject(error); }
        };

        var innerLoop = function () {
          if (innerIterator = state.innerIterator) {
            try {
              Promise.resolve(anObject(state.innerNext.call(innerIterator))).then(function (result) {
                try {
                  if (anObject(result).done) {
                    state.innerIterator = state.innerNext = null;
                    outerLoop();
                  } else { resolve({ done: false, value: result.value }); }
                } catch (error1) { reject(error1); }
              }, reject);
            } catch (error) { reject(error); }
          } else { outerLoop(); }
        };

        innerLoop();
      });
    });

    _export({ target: 'AsyncIterator', proto: true, real: true }, {
      flatMap: function flatMap(mapper) {
        return new AsyncIteratorProxy$3({
          iterator: anObject(this),
          mapper: aFunction$1(mapper),
          innerIterator: null,
          innerNext: null
        });
      }
    });

    // https://github.com/tc39/proposal-iterator-helpers

    var $forEach$3 = asyncIteratorIteration.forEach;

    _export({ target: 'AsyncIterator', proto: true, real: true }, {
      forEach: function forEach(fn) {
        return $forEach$3(this, fn);
      }
    });

    // https://github.com/tc39/proposal-iterator-helpers








    var AsyncIterator$1 = path.AsyncIterator;

    var AsyncIteratorProxy$4 = asyncIteratorCreateProxy(function (arg) {
      return anObject(this.next.call(this.iterator, arg));
    }, true);

    _export({ target: 'AsyncIterator', stat: true }, {
      from: function from(O) {
        var object = toObject(O);
        var usingIterator = getAsyncIteratorMethod(object);
        var iterator;
        if (usingIterator != null) {
          iterator = aFunction$1(usingIterator).call(object);
          if (iterator instanceof AsyncIterator$1) { return iterator; }
        } else {
          iterator = object;
        } return new AsyncIteratorProxy$4({
          iterator: iterator
        });
      }
    });

    // https://github.com/tc39/proposal-iterator-helpers





    var AsyncIteratorProxy$5 = asyncIteratorCreateProxy(function (arg, Promise) {
      var state = this;
      var mapper = state.mapper;

      return Promise.resolve(anObject(state.next.call(state.iterator, arg))).then(function (step) {
        if (anObject(step).done) {
          state.done = true;
          return { done: true, value: undefined };
        }
        return Promise.resolve(mapper(step.value)).then(function (value) {
          return { done: false, value: value };
        });
      });
    });

    _export({ target: 'AsyncIterator', proto: true, real: true }, {
      map: function map(mapper) {
        return new AsyncIteratorProxy$5({
          iterator: anObject(this),
          mapper: aFunction$1(mapper)
        });
      }
    });

    // https://github.com/tc39/proposal-iterator-helpers





    var Promise$4 = getBuiltIn('Promise');

    _export({ target: 'AsyncIterator', proto: true, real: true }, {
      reduce: function reduce(reducer /* , initialValue */) {
        var iterator = anObject(this);
        var next = aFunction$1(iterator.next);
        var noInitial = arguments.length < 2;
        var accumulator = noInitial ? undefined : arguments[1];
        aFunction$1(reducer);

        return new Promise$4(function (resolve, reject) {
          var loop = function () {
            try {
              Promise$4.resolve(anObject(next.call(iterator))).then(function (step) {
                try {
                  if (anObject(step).done) {
                    noInitial ? reject(TypeError('Reduce of empty iterator with no initial value')) : resolve(accumulator);
                  } else {
                    var value = step.value;
                    if (noInitial) {
                      noInitial = false;
                      accumulator = value;
                      loop();
                    } else {
                      Promise$4.resolve(reducer(accumulator, value)).then(function (result) {
                        accumulator = result;
                        loop();
                      }, reject);
                    }
                  }
                } catch (err) { reject(err); }
              }, reject);
            } catch (error) { reject(error); }
          };

          loop();
        });
      }
    });

    // https://github.com/tc39/proposal-iterator-helpers

    var $some$2 = asyncIteratorIteration.some;

    _export({ target: 'AsyncIterator', proto: true, real: true }, {
      some: function some(fn) {
        return $some$2(this, fn);
      }
    });

    // https://github.com/tc39/proposal-iterator-helpers





    var AsyncIteratorProxy$6 = asyncIteratorCreateProxy(function (arg) {
      if (!this.remaining--) {
        this.done = true;
        return { done: true, value: undefined };
      } return this.next.call(this.iterator, arg);
    });

    _export({ target: 'AsyncIterator', proto: true, real: true }, {
      take: function take(limit) {
        return new AsyncIteratorProxy$6({
          iterator: anObject(this),
          remaining: toPositiveInteger(limit)
        });
      }
    });

    // https://github.com/tc39/proposal-iterator-helpers

    var $toArray = asyncIteratorIteration.toArray;

    _export({ target: 'AsyncIterator', proto: true, real: true }, {
      toArray: function toArray() {
        return $toArray(this);
      }
    });

    // https://github.com/tc39/proposal-iterator-helpers







    var IteratorPrototype$3 = iteratorsCore.IteratorPrototype;


    var ITERATOR$8 = wellKnownSymbol('iterator');
    var TO_STRING_TAG$6 = wellKnownSymbol('toStringTag');

    var NativeIterator = global_1.Iterator;

    // FF56- have non-standard global helper `Iterator`
    var FORCED$l =  typeof NativeIterator != 'function'
      || NativeIterator.prototype !== IteratorPrototype$3
      // FF44- non-standard `Iterator` passes previous tests
      || !fails(function () { NativeIterator({}); });

    var IteratorConstructor = function Iterator() {
      anInstance(this, IteratorConstructor);
    };

    if (!has(IteratorPrototype$3, TO_STRING_TAG$6)) {
      createNonEnumerableProperty(IteratorPrototype$3, TO_STRING_TAG$6, 'Iterator');
    }

    if (FORCED$l || !has(IteratorPrototype$3, 'constructor') || IteratorPrototype$3.constructor === Object) {
      createNonEnumerableProperty(IteratorPrototype$3, 'constructor', IteratorConstructor);
    }

    IteratorConstructor.prototype = IteratorPrototype$3;

    _export({ global: true, forced: FORCED$l }, {
      Iterator: IteratorConstructor
    });

    var setInternalState$g = internalState.set;
    var getInternalState$c = internalState.get;

    var TO_STRING_TAG$7 = wellKnownSymbol('toStringTag');

    var $return$1 = function (value) {
      var iterator = getInternalState$c(this).iterator;
      var $$return = iterator['return'];
      return $$return === undefined ? { done: true, value: value } : anObject($$return.call(iterator, value));
    };

    var $throw$1 = function (value) {
      var iterator = getInternalState$c(this).iterator;
      var $$throw = iterator['throw'];
      if ($$throw === undefined) { throw value; }
      return $$throw.call(iterator, value);
    };

    var iteratorCreateProxy = function (nextHandler, IS_ITERATOR) {
      var IteratorProxy = function Iterator(state) {
        state.next = aFunction$1(state.iterator.next);
        state.done = false;
        setInternalState$g(this, state);
      };

      IteratorProxy.prototype = redefineAll(objectCreate(path.Iterator.prototype), {
        next: function next() {
          var state = getInternalState$c(this);
          var result = state.done ? undefined : nextHandler.apply(state, arguments);
          return { done: state.done, value: result };
        },
        'return': $return$1,
        'throw': $throw$1
      });

      if (!IS_ITERATOR) {
        createNonEnumerableProperty(IteratorProxy.prototype, TO_STRING_TAG$7, 'Generator');
      }

      return IteratorProxy;
    };

    // https://github.com/tc39/proposal-iterator-helpers




    var IteratorProxy = iteratorCreateProxy(function (arg) {
      var result = anObject(this.next.call(this.iterator, arg));
      var done = this.done = !!result.done;
      if (!done) { return [this.index++, result.value]; }
    });

    _export({ target: 'Iterator', proto: true, real: true }, {
      asIndexedPairs: function asIndexedPairs() {
        return new IteratorProxy({
          iterator: anObject(this),
          index: 0
        });
      }
    });

    // https://github.com/tc39/proposal-iterator-helpers





    var IteratorProxy$1 = iteratorCreateProxy(function (arg) {
      var iterator = this.iterator;
      var next = this.next;
      var result, done;
      while (this.remaining) {
        this.remaining--;
        result = anObject(next.call(iterator));
        done = this.done = !!result.done;
        if (done) { return; }
      }
      result = anObject(next.call(iterator, arg));
      done = this.done = !!result.done;
      if (!done) { return result.value; }
    });

    _export({ target: 'Iterator', proto: true, real: true }, {
      drop: function drop(limit) {
        return new IteratorProxy$1({
          iterator: anObject(this),
          remaining: toPositiveInteger(limit)
        });
      }
    });

    // https://github.com/tc39/proposal-iterator-helpers





    _export({ target: 'Iterator', proto: true, real: true }, {
      every: function every(fn) {
        anObject(this);
        aFunction$1(fn);
        return !iterate_1(this, function (value) {
          if (!fn(value)) { return iterate_1.stop(); }
        }, undefined, false, true).stopped;
      }
    });

    // https://github.com/tc39/proposal-iterator-helpers






    var IteratorProxy$2 = iteratorCreateProxy(function (arg) {
      var iterator = this.iterator;
      var filterer = this.filterer;
      var next = this.next;
      var result, done, value;
      while (true) {
        result = anObject(next.call(iterator, arg));
        done = this.done = !!result.done;
        if (done) { return; }
        value = result.value;
        if (callWithSafeIterationClosing(iterator, filterer, value)) { return value; }
      }
    });

    _export({ target: 'Iterator', proto: true, real: true }, {
      filter: function filter(filterer) {
        return new IteratorProxy$2({
          iterator: anObject(this),
          filterer: aFunction$1(filterer)
        });
      }
    });

    // https://github.com/tc39/proposal-iterator-helpers





    _export({ target: 'Iterator', proto: true, real: true }, {
      find: function find(fn) {
        anObject(this);
        aFunction$1(fn);
        return iterate_1(this, function (value) {
          if (fn(value)) { return iterate_1.stop(value); }
        }, undefined, false, true).result;
      }
    });

    // https://github.com/tc39/proposal-iterator-helpers







    var IteratorProxy$3 = iteratorCreateProxy(function (arg) {
      var iterator = this.iterator;
      var result, mapped, iteratorMethod, innerIterator;

      while (true) {
        if (innerIterator = this.innerIterator) {
          result = anObject(this.innerNext.call(innerIterator));
          if (!result.done) { return result.value; }
          this.innerIterator = this.innerNext = null;
        }

        result = anObject(this.next.call(iterator, arg));

        if (this.done = !!result.done) { return; }

        mapped = callWithSafeIterationClosing(iterator, this.mapper, result.value);
        iteratorMethod = getIteratorMethod(mapped);

        if (iteratorMethod === undefined) {
          throw TypeError('.flatMap callback should return an iterable object');
        }

        this.innerIterator = innerIterator = anObject(iteratorMethod.call(mapped));
        this.innerNext = aFunction$1(innerIterator.next);
      }
    });

    _export({ target: 'Iterator', proto: true, real: true }, {
      flatMap: function flatMap(mapper) {
        return new IteratorProxy$3({
          iterator: anObject(this),
          mapper: aFunction$1(mapper),
          innerIterator: null,
          innerNext: null
        });
      }
    });

    // https://github.com/tc39/proposal-iterator-helpers




    _export({ target: 'Iterator', proto: true, real: true }, {
      forEach: function forEach(fn) {
        iterate_1(anObject(this), fn, undefined, false, true);
      }
    });

    // https://github.com/tc39/proposal-iterator-helpers








    var Iterator = path.Iterator;

    var IteratorProxy$4 = iteratorCreateProxy(function (arg) {
      var result = anObject(this.next.call(this.iterator, arg));
      var done = this.done = !!result.done;
      if (!done) { return result.value; }
    }, true);

    _export({ target: 'Iterator', stat: true }, {
      from: function from(O) {
        var object = toObject(O);
        var usingIterator = getIteratorMethod(object);
        var iterator;
        if (usingIterator != null) {
          iterator = aFunction$1(usingIterator).call(object);
          if (iterator instanceof Iterator) { return iterator; }
        } else {
          iterator = object;
        } return new IteratorProxy$4({
          iterator: iterator
        });
      }
    });

    // https://github.com/tc39/proposal-iterator-helpers






    var IteratorProxy$5 = iteratorCreateProxy(function (arg) {
      var iterator = this.iterator;
      var result = anObject(this.next.call(iterator, arg));
      var done = this.done = !!result.done;
      if (!done) { return callWithSafeIterationClosing(iterator, this.mapper, result.value); }
    });

    _export({ target: 'Iterator', proto: true, real: true }, {
      map: function map(mapper) {
        return new IteratorProxy$5({
          iterator: anObject(this),
          mapper: aFunction$1(mapper)
        });
      }
    });

    // https://github.com/tc39/proposal-iterator-helpers





    _export({ target: 'Iterator', proto: true, real: true }, {
      reduce: function reduce(reducer /* , initialValue */) {
        anObject(this);
        aFunction$1(reducer);
        var noInitial = arguments.length < 2;
        var accumulator = noInitial ? undefined : arguments[1];
        iterate_1(this, function (value) {
          if (noInitial) {
            noInitial = false;
            accumulator = value;
          } else {
            accumulator = reducer(accumulator, value);
          }
        }, undefined, false, true);
        if (noInitial) { throw TypeError('Reduce of empty iterator with no initial value'); }
        return accumulator;
      }
    });

    // https://github.com/tc39/proposal-iterator-helpers





    _export({ target: 'Iterator', proto: true, real: true }, {
      some: function some(fn) {
        anObject(this);
        aFunction$1(fn);
        return iterate_1(this, function (value) {
          if (fn(value)) { return iterate_1.stop(); }
        }, undefined, false, true).stopped;
      }
    });

    // https://github.com/tc39/proposal-iterator-helpers





    var IteratorProxy$6 = iteratorCreateProxy(function (arg) {
      if (!this.remaining--) {
        this.done = true;
        return;
      }
      var result = anObject(this.next.call(this.iterator, arg));
      var done = this.done = !!result.done;
      if (!done) { return result.value; }
    });

    _export({ target: 'Iterator', proto: true, real: true }, {
      take: function take(limit) {
        return new IteratorProxy$6({
          iterator: anObject(this),
          remaining: toPositiveInteger(limit)
        });
      }
    });

    // https://github.com/tc39/proposal-iterator-helpers




    var push$2 = [].push;

    _export({ target: 'Iterator', proto: true, real: true }, {
      toArray: function toArray() {
        var result = [];
        iterate_1(anObject(this), push$2, result, false, true);
        return result;
      }
    });

    // `Map.prototype.upsert` method
    // https://github.com/thumbsupep/proposal-upsert
    var mapUpsert = function upsert(key, updateFn /* , insertFn */) {
      var map = anObject(this);
      var insertFn = arguments.length > 2 ? arguments[2] : undefined;
      var value;
      if (typeof updateFn != 'function' && typeof insertFn != 'function') {
        throw TypeError('At least one callback required');
      }
      if (map.has(key)) {
        value = map.get(key);
        if (typeof updateFn == 'function') {
          value = updateFn(value);
          map.set(key, value);
        }
      } else if (typeof insertFn == 'function') {
        value = insertFn();
        map.set(key, value);
      } return value;
    };

    // TODO: remove from `core-js@4`




    // `Map.prototype.updateOrInsert` method (replaced by `Map.prototype.upsert`)
    // https://github.com/thumbsupep/proposal-upsert
    _export({ target: 'Map', proto: true, real: true, forced: isPure }, {
      updateOrInsert: mapUpsert
    });

    // `Map.prototype.upsert` method
    // https://github.com/thumbsupep/proposal-upsert
    _export({ target: 'Map', proto: true, real: true, forced: isPure }, {
      upsert: mapUpsert
    });

    // `WeakMap.prototype.upsert` method
    // https://github.com/thumbsupep/proposal-upsert
    _export({ target: 'WeakMap', proto: true, real: true, forced: isPure }, {
      upsert: mapUpsert
    });

    // `Set.prototype.difference` method
    // https://github.com/tc39/proposal-set-methods
    _export({ target: 'Set', proto: true, real: true, forced: isPure }, {
      difference: function difference(iterable) {
        var set = anObject(this);
        var newSet = new (speciesConstructor(set, getBuiltIn('Set')))(set);
        var remover = aFunction$1(newSet['delete']);
        iterate_1(iterable, function (value) {
          remover.call(newSet, value);
        });
        return newSet;
      }
    });

    // `Set.prototype.intersection` method
    // https://github.com/tc39/proposal-set-methods
    _export({ target: 'Set', proto: true, real: true, forced: isPure }, {
      intersection: function intersection(iterable) {
        var set = anObject(this);
        var newSet = new (speciesConstructor(set, getBuiltIn('Set')))();
        var hasCheck = aFunction$1(set.has);
        var adder = aFunction$1(newSet.add);
        iterate_1(iterable, function (value) {
          if (hasCheck.call(set, value)) { adder.call(newSet, value); }
        });
        return newSet;
      }
    });

    // `Set.prototype.isDisjointFrom` method
    // https://tc39.github.io/proposal-set-methods/#Set.prototype.isDisjointFrom
    _export({ target: 'Set', proto: true, real: true, forced: isPure }, {
      isDisjointFrom: function isDisjointFrom(iterable) {
        var set = anObject(this);
        var hasCheck = aFunction$1(set.has);
        return !iterate_1(iterable, function (value) {
          if (hasCheck.call(set, value) === true) { return iterate_1.stop(); }
        }).stopped;
      }
    });

    // `Set.prototype.isSubsetOf` method
    // https://tc39.github.io/proposal-set-methods/#Set.prototype.isSubsetOf
    _export({ target: 'Set', proto: true, real: true, forced: isPure }, {
      isSubsetOf: function isSubsetOf(iterable) {
        var iterator = getIterator(this);
        var otherSet = anObject(iterable);
        var hasCheck = otherSet.has;
        if (typeof hasCheck != 'function') {
          otherSet = new (getBuiltIn('Set'))(iterable);
          hasCheck = aFunction$1(otherSet.has);
        }
        return !iterate_1(iterator, function (value) {
          if (hasCheck.call(otherSet, value) === false) { return iterate_1.stop(); }
        }, undefined, false, true).stopped;
      }
    });

    // `Set.prototype.isSupersetOf` method
    // https://tc39.github.io/proposal-set-methods/#Set.prototype.isSupersetOf
    _export({ target: 'Set', proto: true, real: true, forced: isPure }, {
      isSupersetOf: function isSupersetOf(iterable) {
        var set = anObject(this);
        var hasCheck = aFunction$1(set.has);
        return !iterate_1(iterable, function (value) {
          if (hasCheck.call(set, value) === false) { return iterate_1.stop(); }
        }).stopped;
      }
    });

    // `Set.prototype.union` method
    // https://github.com/tc39/proposal-set-methods
    _export({ target: 'Set', proto: true, real: true, forced: isPure }, {
      union: function union(iterable) {
        var set = anObject(this);
        var newSet = new (speciesConstructor(set, getBuiltIn('Set')))(set);
        iterate_1(iterable, aFunction$1(newSet.add), newSet);
        return newSet;
      }
    });

    // `Set.prototype.symmetricDifference` method
    // https://github.com/tc39/proposal-set-methods
    _export({ target: 'Set', proto: true, real: true, forced: isPure }, {
      symmetricDifference: function symmetricDifference(iterable) {
        var set = anObject(this);
        var newSet = new (speciesConstructor(set, getBuiltIn('Set')))(set);
        var remover = aFunction$1(newSet['delete']);
        var adder = aFunction$1(newSet.add);
        iterate_1(iterable, function (value) {
          remover.call(newSet, value) || adder.call(newSet, value);
        });
        return newSet;
      }
    });

    // `Symbol.asyncDispose` well-known symbol
    // https://github.com/tc39/proposal-using-statement
    defineWellKnownSymbol('asyncDispose');

    // `Symbol.dispose` well-known symbol
    // https://github.com/tc39/proposal-using-statement
    defineWellKnownSymbol('dispose');

    var setInternalState$h = internalState.set;
    var getInternalAggregateErrorState = internalState.getterFor('AggregateError');

    var $AggregateError = function AggregateError(errors, message) {
      var that = this;
      if (!(that instanceof $AggregateError)) { return new $AggregateError(errors, message); }
      if (objectSetPrototypeOf) {
        that = objectSetPrototypeOf(new Error(message), objectGetPrototypeOf(that));
      }
      var errorsArray = [];
      iterate_1(errors, errorsArray.push, errorsArray);
      if (descriptors) { setInternalState$h(that, { errors: errorsArray, type: 'AggregateError' }); }
      else { that.errors = errorsArray; }
      if (message !== undefined) { createNonEnumerableProperty(that, 'message', String(message)); }
      return that;
    };

    $AggregateError.prototype = objectCreate(Error.prototype, {
      constructor: createPropertyDescriptor(5, $AggregateError),
      message: createPropertyDescriptor(5, ''),
      name: createPropertyDescriptor(5, 'AggregateError')
    });

    if (descriptors) { objectDefineProperty.f($AggregateError.prototype, 'errors', {
      get: function () {
        return getInternalAggregateErrorState(this).errors;
      },
      configurable: true
    }); }

    _export({ global: true }, {
      AggregateError: $AggregateError
    });

    var PROMISE_ANY_ERROR = 'No one promise resolved';

    // `Promise.any` method
    // https://github.com/tc39/proposal-promise-any
    _export({ target: 'Promise', stat: true }, {
      any: function any(iterable) {
        var C = this;
        var capability = newPromiseCapability.f(C);
        var resolve = capability.resolve;
        var reject = capability.reject;
        var result = perform(function () {
          var promiseResolve = aFunction$1(C.resolve);
          var errors = [];
          var counter = 0;
          var remaining = 1;
          var alreadyResolved = false;
          iterate_1(iterable, function (promise) {
            var index = counter++;
            var alreadyRejected = false;
            errors.push(undefined);
            remaining++;
            promiseResolve.call(C, promise).then(function (value) {
              if (alreadyRejected || alreadyResolved) { return; }
              alreadyResolved = true;
              resolve(value);
            }, function (e) {
              if (alreadyRejected || alreadyResolved) { return; }
              alreadyRejected = true;
              errors[index] = e;
              --remaining || reject(new (getBuiltIn('AggregateError'))(errors, PROMISE_ANY_ERROR));
            });
          });
          --remaining || reject(new (getBuiltIn('AggregateError'))(errors, PROMISE_ANY_ERROR));
        });
        if (result.error) { reject(result.value); }
        return capability.promise;
      }
    });

    var REPLACE$1 = wellKnownSymbol('replace');
    var RegExpPrototype$4 = RegExp.prototype;

    // `String.prototype.replaceAll` method
    // https://github.com/tc39/proposal-string-replace-all
    _export({ target: 'String', proto: true }, {
      replaceAll: function replaceAll(searchValue, replaceValue) {
        var O = requireObjectCoercible(this);
        var IS_REG_EXP, flags, replacer, string, searchString, template, result, position, index;
        if (searchValue != null) {
          IS_REG_EXP = isRegexp(searchValue);
          if (IS_REG_EXP) {
            flags = String(requireObjectCoercible('flags' in RegExpPrototype$4
              ? searchValue.flags
              : regexpFlags.call(searchValue)
            ));
            if (!~flags.indexOf('g')) { throw TypeError('`.replaceAll` does not allow non-global regexes'); }
          }
          replacer = searchValue[REPLACE$1];
          if (replacer !== undefined) {
            return replacer.call(searchValue, O, replaceValue);
          }
        }
        string = String(O);
        searchString = String(searchValue);
        if (searchString === '') { return replaceAll.call(string, /(?:)/g, replaceValue); }
        template = string.split(searchString);
        if (typeof replaceValue !== 'function') {
          return template.join(String(replaceValue));
        }
        result = template[0];
        position = result.length;
        for (index = 1; index < template.length; index++) {
          result += String(replaceValue(searchString, position, string));
          position += searchString.length + template[index].length;
          result += template[index];
        }
        return result;
      }
    });

    // TODO: remove from `core-js@4`


    defineWellKnownSymbol('replaceAll');

    // 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 ITERATOR$9 = wellKnownSymbol('iterator');
    var TO_STRING_TAG$8 = 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$9] !== ArrayValues) { try {
          createNonEnumerableProperty(CollectionPrototype$1, ITERATOR$9, ArrayValues);
        } catch (error) {
          CollectionPrototype$1[ITERATOR$9] = ArrayValues;
        } }
        if (!CollectionPrototype$1[TO_STRING_TAG$8]) {
          createNonEnumerableProperty(CollectionPrototype$1, TO_STRING_TAG$8, 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$1) {
            CollectionPrototype$1[METHOD_NAME] = es_array_iterator[METHOD_NAME];
          } }
        } }
      }
    }

    var FORCED$m = !global_1.setImmediate || !global_1.clearImmediate;

    // http://w3c.github.io/setImmediate/
    _export({ global: true, bind: true, enumerable: true, forced: FORCED$m }, {
      // `setImmediate` method
      // http://w3c.github.io/setImmediate/#si-setImmediate
      setImmediate: task.set,
      // `clearImmediate` method
      // http://w3c.github.io/setImmediate/#si-clearImmediate
      clearImmediate: task.clear
    });

    var process$5 = global_1.process;
    var isNode = classofRaw(process$5) == 'process';

    // `queueMicrotask` method
    // https://html.spec.whatwg.org/multipage/timers-and-user-prompts.html#dom-queuemicrotask
    _export({ global: true, enumerable: true, noTargetGet: true }, {
      queueMicrotask: function queueMicrotask(fn) {
        var domain = isNode && process$5.domain;
        microtask(domain ? domain.bind(fn) : fn);
      }
    });

    var slice$1 = [].slice;
    var MSIE = /MSIE .\./.test(engineUserAgent); // <- dirty ie9- check

    var wrap$1 = function (scheduler) {
      return function (handler, timeout /* , ...arguments */) {
        var boundArgs = arguments.length > 2;
        var args = boundArgs ? slice$1.call(arguments, 2) : undefined;
        return scheduler(boundArgs ? function () {
          // eslint-disable-next-line no-new-func
          (typeof handler == 'function' ? handler : Function(handler)).apply(this, args);
        } : handler, timeout);
      };
    };

    // ie9- setTimeout & setInterval additional parameters fix
    // https://html.spec.whatwg.org/multipage/timers-and-user-prompts.html#timers
    _export({ global: true, bind: true, forced: MSIE }, {
      // `setTimeout` method
      // https://html.spec.whatwg.org/multipage/timers-and-user-prompts.html#dom-settimeout
      setTimeout: wrap$1(global_1.setTimeout),
      // `setInterval` method
      // https://html.spec.whatwg.org/multipage/timers-and-user-prompts.html#dom-setinterval
      setInterval: wrap$1(global_1.setInterval)
    });

    var coreJs = path;

    /*
     * Copyright [2019] [Doric.Pub]
     *
     * Licensed under the Apache License, Version 2.0 (the "License");
     * you may not use this file except in compliance with the License.
     * You may obtain a copy of the License at
     *
     * http://www.apache.org/licenses/LICENSE-2.0
     *
     * Unless required by applicable law or agreed to in writing, software
     * distributed under the License is distributed on an "AS IS" BASIS,
     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     * See the License for the specific language governing permissions and
     * limitations under the License.
     */
    var ProxyPolyfill = /** @class */ (function () {
        function ProxyPolyfill(target, handler) {
            this.__target__ = target;
            this.__handler__ = handler;
            this.defineProps();
            return target;
        }
        ProxyPolyfill.prototype.defineProps = function () {
            var _this = this;
            var keys = Object.keys(this.__target__);
            keys.forEach(function (property) {
                if (Object.getOwnPropertyDescriptor(_this.__target__, property) !== undefined) {
                    return;
                }
                Object.defineProperty(_this, property, {
                    get: function () {
                        _this.defineProps();
                        if (_this.__handler__.get) {
                            return _this.__handler__.get(_this.__target__, property, _this);
                        }
                        else {
                            return _this.__target__[property];
                        }
                    },
                    set: function (value) {
                        _this.defineProps();
                        if (_this.__handler__.set) {
                            _this.__handler__.set(_this.__target__, property, value, property);
                        }
                        else {
                            _this.__target__[property] = value;
                        }
                    },
                    enumerable: true,
                    configurable: true,
                });
            });
        };
        return ProxyPolyfill;
    }());
    var global$2 = Function('return this')();
    global$2.Proxy = ProxyPolyfill;

    exports.Context = Context;
    exports.__moduleExports = coreJs;
    exports.__require__ = __require__;
    exports.jsCallEntityMethod = jsCallEntityMethod;
    exports.jsCallReject = jsCallReject;
    exports.jsCallResolve = jsCallResolve;
    exports.jsCallbackTimer = jsCallbackTimer;
    exports.jsObtainContext = jsObtainContext;
    exports.jsObtainEntry = jsObtainEntry;
    exports.jsRegisterModule = jsRegisterModule;
    exports.jsReleaseContext = jsReleaseContext;

    return exports;

}({}));