CLASS xv net/minecraft/tag/ItemTags
	CLASS xv$a
		METHOD <init> (Lpy;)V
			ARG 0 id
		METHOD a values ()Ljava/util/Collection;
		METHOD a contains (Ljava/lang/Object;)Z
			ARG 0 value
		METHOD b entries ()Ljava/util/Collection;
	FIELD K container Lxy;
	FIELD L containerChanges I
	METHOD a getContainer ()Lxy;
	METHOD a register (Ljava/lang/String;)Lxx;
	METHOD a setContainer (Lxy;)V