CLASS cff net/minecraft/world/gen/surfacebuilder/NetherSurfaceBuilder
	FIELD S GLOWSTONE Lbqz;
	FIELD a seed J
	FIELD b noise Lcfp;
	FIELD c CAVE_AIR Lbqz;
	FIELD d NETHERRACK Lbqz;
	FIELD e GRAVEL Lbqz;
