CLASS cjm net/minecraft/world/gen/surfacebuilder/NetherSurfaceBuilder
	FIELD S GLOWSTONE Lbvc;
	FIELD a seed J
	FIELD b noise Lcjw;
	FIELD c CAVE_AIR Lbvc;
	FIELD d NETHERRACK Lbvc;
	FIELD e GRAVEL Lbvc;
