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rOACCT/node_modules/core-js/modules/web.dom-collections.iterator.js
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web.dom-collections.iterator.js
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			var global = require('../internals/global');
			var DOMIterables = require('../internals/dom-iterables');
			var DOMTokenListPrototype = require('../internals/dom-token-list-prototype');
			var ArrayIteratorMethods = require('../modules/es.array.iterator');
			var createNonEnumerableProperty = require('../internals/create-non-enumerable-property');
			var wellKnownSymbol = require('../internals/well-known-symbol');

			var ITERATOR = wellKnownSymbol('iterator');
			var TO_STRING_TAG = wellKnownSymbol('toStringTag');
			var ArrayValues = ArrayIteratorMethods.values;

			var handlePrototype = function (CollectionPrototype, COLLECTION_NAME) {
			if (CollectionPrototype) {
			// some Chrome versions have non-configurable methods on DOMTokenList
			if (CollectionPrototype[ITERATOR] !== ArrayValues) try {
			createNonEnumerableProperty(CollectionPrototype, ITERATOR, ArrayValues);
			} catch (error) {
			CollectionPrototype[ITERATOR] = ArrayValues;
			}
			if (!CollectionPrototype[TO_STRING_TAG]) {
			createNonEnumerableProperty(CollectionPrototype, TO_STRING_TAG, COLLECTION_NAME);
			}
			if (DOMIterables[COLLECTION_NAME]) for (var METHOD_NAME in ArrayIteratorMethods) {
			// some Chrome versions have non-configurable methods on DOMTokenList
			if (CollectionPrototype[METHOD_NAME] !== ArrayIteratorMethods[METHOD_NAME]) try {
			createNonEnumerableProperty(CollectionPrototype, METHOD_NAME, ArrayIteratorMethods[METHOD_NAME]);
			} catch (error) {
			CollectionPrototype[METHOD_NAME] = ArrayIteratorMethods[METHOD_NAME];
			}
			}
			}
			};

			for (var COLLECTION_NAME in DOMIterables) {
			handlePrototype(global[COLLECTION_NAME] && global[COLLECTION_NAME].prototype, COLLECTION_NAME);
			}

			handlePrototype(DOMTokenListPrototype, 'DOMTokenList');