CLASS avw net/minecraft/block/entity/BlockEntityMobSpawner
	CLASS avw$1
		METHOD a getWorld ()Lams;
		METHOD a setSpawnEntry (Lanc;)V
		METHOD b getPos ()Let;
	CLASS avw$2
		METHOD a upgradeTag (Lrv;Lfy;I)Lfy;
	FIELD a logic Lami;
	METHOD a getLogic ()Lami;
	METHOD a deserialize (Lfy;)V
		ARG 0 tag
	METHOD a registerTagUpgraders (Lrw;)V
		ARG 0 handler
	METHOD b serialize (Lfy;)Lfy;
		ARG 0 tag
	METHOD c getUpdatePacket ()Lih;
	METHOD d serializeInitialChunkData ()Lfy;
	METHOD e update ()V