CLASS none/jj net/minecraft/network/packet/server/SPacketClientHandSwing FIELD a hand Lnone/qz; METHOD (Lnone/qz;)V ARG 0 hand METHOD a getHand ()Lnone/qz; METHOD a readPacket (Lnone/es;)V ARG 0 packet METHOD b writePacket (Lnone/es;)V ARG 0 packet