--- /dev/null
+var dP = require('./_object-dp')
+ , gOPD = require('./_object-gopd')
+ , ownKeys = require('./_own-keys')
+ , toIObject = require('./_to-iobject');
+
+module.exports = function define(target, mixin){
+ var keys = ownKeys(toIObject(mixin))
+ , length = keys.length
+ , i = 0, key;
+ while(length > i)dP.f(target, key = keys[i++], gOPD.f(mixin, key));
+ return target;
+};
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