CLASS of net/minecraft/server/network/packet/AdvancementTabServerPacket CLASS of$a Action FIELD a action Lof$a; FIELD b tabToOpen Lqc; METHOD (Lof$a;Lqc;)V ARG 1 action ARG 2 tab METHOD a read (Lir;)V ARG 1 buf METHOD a apply (Liu;)V ARG 1 listener METHOD a open (Ln;)Lof; METHOD a apply (Lnd;)V METHOD b close ()Lof; METHOD b write (Lir;)V ARG 1 buf METHOD c getAction ()Lof$a; METHOD d getTabToOpen ()Lqc;