CLASS ku net/minecraft/client/network/packet/ChunkDeltaUpdateS2CPacket
	CLASS ku$a ChunkDeltaRecord
		FIELD b pos S
		FIELD c state Lbvn;
		METHOD a getBlockPos ()Lev;
		METHOD b getPosShort ()S
		METHOD c getState ()Lbvn;
	FIELD a chunkPos Lbgx;
	FIELD b records [Lku$a;
	METHOD b getRecords ()[Lku$a;
