CLASS none/ga net/minecraft/network/packet/CPacketUpdateBlock
	FIELD a pos Lnone/cn;
	FIELD b block Lnone/asj;
	METHOD <init> (Lnone/aiu;Lnone/cn;)V
		ARG 0 world
		ARG 1 pos
	METHOD a getBlock ()Lnone/asj;
	METHOD a readPacket (Lnone/es;)V
		ARG 0 packet
	METHOD b getPos ()Lnone/cn;
	METHOD b writePacket (Lnone/es;)V
		ARG 0 packet