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