1'use strict';
2var global = require('./_global');
3var core = require('./_core');
4var dP = require('./_object-dp');
5var DESCRIPTORS = require('./_descriptors');
6var SPECIES = require('./_wks')('species');
7
8module.exports = function (KEY) {
9  var C = typeof core[KEY] == 'function' ? core[KEY] : global[KEY];
10  if (DESCRIPTORS && C && !C[SPECIES]) dP.f(C, SPECIES, {
11    configurable: true,
12    get: function () { return this; }
13  });
14};
15