CLASS none/gf net/minecraft/network/packet/CPacketChunkDeltaUpdate
	CLASS none/gf$a ChunkDeltaRecord
	FIELD a chunkPos Lnone/ain;
	FIELD b records [Lnone/gf$a;
	METHOD <init> (I[SLnone/atm;)V
		ARG 2 chunk
	METHOD a readPacket (Lnone/es;)V
		ARG 0 packet
	METHOD b writePacket (Lnone/es;)V
		ARG 0 packet