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rOACCT/node_modules/core-js/modules/esnext.async-iterator.async-dispose.js
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esnext.async-iterator.async-dispose.js
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			'use strict';
			// https://github.com/tc39/proposal-async-explicit-resource-management
			var call = require('../internals/function-call');
			var defineBuiltIn = require('../internals/define-built-in');
			var getBuiltIn = require('../internals/get-built-in');
			var getMethod = require('../internals/get-method');
			var hasOwn = require('../internals/has-own-property');
			var wellKnownSymbol = require('../internals/well-known-symbol');
			var AsyncIteratorPrototype = require('../internals/async-iterator-prototype');

			var ASYNC_DISPOSE = wellKnownSymbol('asyncDispose');
			var Promise = getBuiltIn('Promise');

			if (!hasOwn(AsyncIteratorPrototype, ASYNC_DISPOSE)) {
			defineBuiltIn(AsyncIteratorPrototype, ASYNC_DISPOSE, function () {
			var O = this;
			return new Promise(function (resolve, reject) {
			var $return = getMethod(O, 'return');
			if ($return) {
			Promise.resolve(call($return, O)).then(function () {
			resolve(undefined);
			}, reject);
			} else resolve(undefined);
			});
			});
			}