CLASS bts net/minecraft/world/level/storage/AlphaChunkIo
	CLASS bts$a AlphaChunk
		FIELD a lastUpdate J
		FIELD b terrainPopulated Z
		FIELD c heightMap [B
		FIELD d blockLight Lbti;
		FIELD e skyLight Lbti;
		FIELD f data Lbti;
		FIELD g blocks [B
		FIELD h entities Lid;
		FIELD i blockEntities Lid;
		FIELD j blockTicks Lid;
		FIELD k x I
		FIELD l z I
		METHOD <init> (II)V
			ARG 1 x
			ARG 2 z
	METHOD a convertAlphaChunk (Lbts$a;Lhx;Lbee;)V
		ARG 0 alphaChunk
		ARG 1 tag
		ARG 2 biomeSource
	METHOD a readAlphaChunk (Lhx;)Lbts$a;
		ARG 0 tag