CLASS se net/minecraft/migration/TagUpgraderSignData
	FIELD a jsonData Lcom/google/gson/Gson;
	METHOD a getTargetVersion ()I
	METHOD a upgradeTag (Lfy;)Lfy;
		ARG 0 tag
	METHOD a setLine (Lfy;Ljava/lang/String;)V
		ARG 0 tag
		ARG 1 lineKey