CLASS pk net/minecraft/entity/tracker/TrackedDataHandler METHOD a create (I)Lpj; ARG 1 id METHOD a read (Lin;)Ljava/lang/Object; ARG 1 buf METHOD a write (Lin;Ljava/lang/Object;)V ARG 1 buf ARG 2 data METHOD a copy (Ljava/lang/Object;)Ljava/lang/Object; ARG 1 obj