CLASS ma net/minecraft/network/packet/server/SPacketPlayerSwingHand FIELD a hand Ltz; METHOD (Ltz;)V ARG 0 hand METHOD a getHand ()Ltz; METHOD a readPacket (Lgy;)V ARG 0 buf METHOD a applyPacket (Lhb;)V ARG 0 handler METHOD a applyPacket (Lkw;)V ARG 0 handler METHOD b writePacket (Lgy;)V ARG 0 buf