2 var global = require('./_global')
3 , dP = require('./_object-dp')
4 , DESCRIPTORS = require('./_descriptors')
5 , SPECIES = require('./_wks')('species');
7 module.exports = function(KEY){
9 if(DESCRIPTORS && C && !C[SPECIES])dP.f(C, SPECIES, {
11 get: function(){ return this; }