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 | | 'use strict'; |  | var call = require('../internals/function-call'); |  | var map = require('../internals/async-iterator-map'); |  |   |  | var callback = function (value, counter) { |  |   return [counter, value]; |  | }; |  |   |  | // `AsyncIterator.prototype.indexed` method |  | // https://github.com/tc39/proposal-iterator-helpers |  | module.exports = function indexed() { |  |   return call(map, this, callback); |  | }; | 
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