CLASS ru net/minecraft/migration/MigrationTypes
	FIELD a LEVEL_PROPERTIES Lru;
	FIELD b PLAYER_DATA Lru;
	FIELD c LEVEL_DATA Lru;
	FIELD d BLOCK_ENTITY Lru;
	FIELD e ENTITY Lru;
	FIELD f ITEM_STACK Lru;
	FIELD g GAME_SETTINGS Lru;