CLASS sf net/minecraft/migration/TagUpgraderEntityStack
	FIELD a stackKeys [Ljava/lang/String;
	METHOD <init> (Ljava/lang/Class;[Ljava/lang/String;)V
		ARG 0 objClass
		ARG 1 stackKeys
	METHOD b upgradeTagInternal (Lqu;Lfc;I)Lfc;
		ARG 0 handler
		ARG 1 tag
		ARG 2 version