CLASS cfr net/minecraft/world/gen/chunk/FlatChunkGeneratorLayer
	FIELD a blockState Lbvo;
	FIELD b thickness I
	FIELD c startY I
	METHOD <init> (ILbmq;)V
		ARG 1 thickness
		ARG 2 block
	METHOD a getThickness ()I
	METHOD a setStartY (I)V
		ARG 1 startY
	METHOD b getBlockState ()Lbvo;
	METHOD c getStartY ()I