CLASS net/minecraft/class_2843 net/minecraft/world/chunk/UpgradeData
	CLASS class_2844 Logic
		METHOD method_12357 postUpdate (Lnet/minecraft/class_1936;)V
		METHOD method_12358 getUpdatedState (Lnet/minecraft/class_2680;Lnet/minecraft/class_2350;Lnet/minecraft/class_2680;Lnet/minecraft/class_1936;Lnet/minecraft/class_2338;Lnet/minecraft/class_2338;)Lnet/minecraft/class_2680;
	CLASS class_2845 BulitinLogic
		CLASS 4
			FIELD field_12964 distanceToPositions Ljava/lang/ThreadLocal;
		FIELD field_12959 DIRECTIONS [Lnet/minecraft/class_2350;
	FIELD field_12950 NO_UPGRADE_DATA Lnet/minecraft/class_2843;
	FIELD field_12951 sides Ljava/util/EnumSet;
	FIELD field_12952 EIGHT_WAYS [Lnet/minecraft/class_2355;
	FIELD field_12953 BLOCK_TO_LOGIC Ljava/util/Map;
	FIELD field_12954 CALLBACK_LOGICS Ljava/util/Set;
	FIELD field_12955 indices [[I
	FIELD field_12956 LOGGER Lorg/apache/logging/log4j/Logger;
	METHOD <init> (Lnet/minecraft/class_2487;)V
		ARG 1 tag
	METHOD method_12350 toTag ()Lnet/minecraft/class_2487;