CLASS none/pf net/minecraft/migration/MigrationHandler
	FIELD a LOGGER Lorg/apache/logging/log4j/Logger;
	FIELD b ADVANCED_UPGRADERS Ljava/util/Map;
	FIELD c UPGRADERS Ljava/util/Map;
	FIELD d gameVersion I
	METHOD <init> (I)V
		ARG 0 dataVersion
	METHOD a getMigrationList (Ljava/util/Map;Lnone/pc;)Ljava/util/List;
		ARG 0 map
		ARG 1 type
	METHOD a upgradeTag (Lnone/pc;Lnone/dt;)Lnone/dt;
		ARG 0 type
		ARG 1 tag
	METHOD a upgradeTag (Lnone/pc;Lnone/dt;I)Lnone/dt;
		ARG 0 type
		ARG 1 tag
		ARG 2 version
	METHOD a register (Lnone/pc;Lnone/pb;)V
		ARG 0 type
		ARG 1 upgrader
	METHOD a register (Lnone/pc;Lnone/ph;)V
		ARG 0 type
		ARG 1 upgrader
	METHOD a register (Lnone/pd;Lnone/ph;)V
		ARG 0 type
		ARG 1 upgrader
	METHOD b upgradeTagSimple (Lnone/pc;Lnone/dt;I)Lnone/dt;
		ARG 0 type
		ARG 1 tag
		ARG 2 version
	METHOD c upgradeTagAdvanced (Lnone/pc;Lnone/dt;I)Lnone/dt;
		ARG 0 type
		ARG 1 tag
		ARG 2 version