text: 'use strict';
  // https://github.com/tc39/proposal-iterator-helpers
  var $ = require('../internals/export');
  var anInstance = require('../internals/an-instance');
  var createNonEnumerableProperty = require('../internals/create-non-enumerable-property');
  var hasOwn = require('../internals/has-own-property');
  var wellKnownSymbol = require('../internals/well-known-symbol');
  var AsyncIteratorPrototype = require('../internals/async-iterator-prototype');
  var IS_PURE = require('../internals/is-pure');
  
  var TO_STRING_TAG = wellKnownSymbol('toStringTag');
  
  var AsyncIteratorConstructor = function AsyncIterator() {
    anInstance(this, AsyncIteratorPrototype);
  };
  
  AsyncIteratorConstructor.prototype = AsyncIteratorPrototype;
  
  if (!hasOwn(AsyncIteratorPrototype, TO_STRING_TAG)) {
    createNonEnumerableProperty(AsyncIteratorPrototype, TO_STRING_TAG, 'AsyncIterator');
  }
  
  if (IS_PURE || !hasOwn(AsyncIteratorPrototype, 'constructor') || AsyncIteratorPrototype.constructor === Object) {
    createNonEnumerableProperty(AsyncIteratorPrototype, 'constructor', AsyncIteratorConstructor);
  }
  
  $({ global: true, forced: IS_PURE }, {
    AsyncIterator: AsyncIteratorConstructor
  });
  