CLASS la net/minecraft/client/network/packet/GuiSlotUpdateS2CPacket
FIELD a id I
FIELD b slot I
FIELD c itemStack Lbbu;
METHOD <init> (IILbbu;)V
ARG 1 id
ARG 2 slot
METHOD b getId ()I
METHOD c getSlot ()I
METHOD d getItemStack ()Lbbu;