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