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