var AsyncFromSyncIterator = require('../internals/async-from-sync-iterator');
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var anObject = require('../internals/an-object');
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var getIterator = require('../internals/get-iterator');
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var getMethod = require('../internals/get-method');
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var wellKnownSymbol = require('../internals/well-known-symbol');
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var ASYNC_ITERATOR = wellKnownSymbol('asyncIterator');
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module.exports = function (it, usingIterator) {
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var method = arguments.length < 2 ? getMethod(it, ASYNC_ITERATOR) : usingIterator;
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return method ? anObject(method.call(it)) : new AsyncFromSyncIterator(getIterator(it));
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};
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