CLASS cfg net/minecraft/world/chunk/light/BlockLightStorage
	CLASS cfg$a Data
		METHOD <init> (Lit/unimi/dsi/fastutil/longs/Long2ObjectOpenHashMap;)V
			ARG 1 map
		METHOD a copy ()Lcfg$a;
		METHOD b copy ()Lcfh;
	METHOD <init> (Lbsk;)V
		ARG 1 chunkProvider
	METHOD a getLight (J)I
		ARG 1 blockPos