CLASS la net/minecraft/client/network/packet/GuiOpenClientPacket FIELD a id I FIELD b slotCount I FIELD c entityHorseId I METHOD a read (Lit;)V ARG 1 buf METHOD a apply (Liw;)V ARG 1 listener METHOD a apply (Lju;)V METHOD b getId ()I METHOD b write (Lit;)V ARG 1 buf METHOD c getSlotCount ()I METHOD d getHorseId ()I