CLASS net/minecraft/class_3569 net/minecraft/world/chunk/light/SkyLightStorage
	CLASS class_3570 Data
		FIELD field_15821 heightMap Lit/unimi/dsi/fastutil/longs/Long2IntOpenHashMap;
		FIELD field_15822 defaultHeight I
	FIELD field_15818 DIRECTIONS_SKYLIGHT [Lnet/minecraft/class_2350;
	FIELD field_15819 hasSkyLightUpdates Z
	METHOD <init> (Lbxt;)V
		ARG 1 chunkProvider
	METHOD k (J)V
		ARG 1 blockPos
	METHOD method_15567 isAboveMinimumHeight (I)Z
		ARG 1 blockY
	METHOD method_15569 checkForUpdates ()V