'use strict';
var global = require('./_global');
var core = require('./_core');
var dP = require('./_object-dp');
var DESCRIPTORS = require('./_descriptors');
var SPECIES = require('./_wks')('species');
module.exports = function (KEY) {
var C = typeof core[KEY] == 'function' ? core[KEY] : global[KEY];
if (DESCRIPTORS && C && !C[SPECIES]) dP.f(C, SPECIES, {
configurable: true,
get: function () { return this; }
});
};