Not yet.
Bu script direkt olarak kurulamaz. Başka scriptler için bir kütüphanedir ve meta yönergeleri içerir // @require https://update.greatest.deepsurf.us/scripts/2599/20053/GM%202%20port%20-%20Function%20Override%20Helper.js
GreasyMonkey 2.x Beta will break lots scripts, this library has made to help function hooking.
It provides 2.x API exportFunction and cloneInto for 1.x support (Which is just dummy sandbox).
It's well documented in source how to use each functions.
This library is backward compatible.