System.register(["__unresolved_0", "__unresolved_1", "__unresolved_2", "__unresolved_3", "__unresolved_4", "__unresolved_5", "__unresolved_6", "__unresolved_7"], function (_export, _context) {
  "use strict";

  var _req, _req2, _req3, _req4, _req5, _req6, _req7, _loader, _cjsExports, __cjsMetaURL;

  _export("default", void 0);

  return {
    setters: [function (_unresolved_) {
      _req = _unresolved_.__cjsMetaURL;
    }, function (_unresolved_2) {
      _req2 = _unresolved_2.__cjsMetaURL;
    }, function (_unresolved_3) {
      _req3 = _unresolved_3.__cjsMetaURL;
    }, function (_unresolved_4) {
      _req4 = _unresolved_4.__cjsMetaURL;
    }, function (_unresolved_5) {
      _req5 = _unresolved_5.__cjsMetaURL;
    }, function (_unresolved_6) {
      _req6 = _unresolved_6.__cjsMetaURL;
    }, function (_unresolved_7) {
      _req7 = _unresolved_7.__cjsMetaURL;
    }, function (_unresolved_8) {
      _loader = _unresolved_8.default;
    }],
    execute: function () {
      _loader.define(_context.meta.url, function (exports, _require, module, __filename, __dirname) {
        let require = _loader.createRequireWithReqMap({
          "../internals/fails": _req,
          "../internals/is-callable": _req2,
          "../internals/object-create": _req3,
          "../internals/object-get-prototype-of": _req4,
          "../internals/redefine": _req5,
          "../internals/well-known-symbol": _req6,
          "../internals/is-pure": _req7
        }, _require);

        (function () {
          var fails = require('../internals/fails');

          var isCallable = require('../internals/is-callable');

          var create = require('../internals/object-create');

          var getPrototypeOf = require('../internals/object-get-prototype-of');

          var redefine = require('../internals/redefine');

          var wellKnownSymbol = require('../internals/well-known-symbol');

          var IS_PURE = require('../internals/is-pure');

          var ITERATOR = wellKnownSymbol('iterator');
          var BUGGY_SAFARI_ITERATORS = false; // `%IteratorPrototype%` object
          // https://tc39.es/ecma262/#sec-%iteratorprototype%-object

          var IteratorPrototype, PrototypeOfArrayIteratorPrototype, arrayIterator;
          /* eslint-disable es/no-array-prototype-keys -- safe */

          if ([].keys) {
            arrayIterator = [].keys(); // Safari 8 has buggy iterators w/o `next`

            if (!('next' in arrayIterator)) BUGGY_SAFARI_ITERATORS = true;else {
              PrototypeOfArrayIteratorPrototype = getPrototypeOf(getPrototypeOf(arrayIterator));
              if (PrototypeOfArrayIteratorPrototype !== Object.prototype) IteratorPrototype = PrototypeOfArrayIteratorPrototype;
            }
          }

          var NEW_ITERATOR_PROTOTYPE = IteratorPrototype == undefined || fails(function () {
            var test = {}; // FF44- legacy iterators case

            return IteratorPrototype[ITERATOR].call(test) !== test;
          });
          if (NEW_ITERATOR_PROTOTYPE) IteratorPrototype = {};else if (IS_PURE) IteratorPrototype = create(IteratorPrototype); // `%IteratorPrototype%[@@iterator]()` method
          // https://tc39.es/ecma262/#sec-%iteratorprototype%-@@iterator

          if (!isCallable(IteratorPrototype[ITERATOR])) {
            redefine(IteratorPrototype, ITERATOR, function () {
              return this;
            });
          }

          module.exports = {
            IteratorPrototype: IteratorPrototype,
            BUGGY_SAFARI_ITERATORS: BUGGY_SAFARI_ITERATORS
          };
        })();

        _export("default", _cjsExports = module.exports);
      });

      _export("__cjsMetaURL", __cjsMetaURL = _context.meta.url);
    }
  };
});
//# sourceMappingURL=iterators-core.js.map