CLASS fl net/minecraft/util/registry/ModifiableRegistry
	METHOD a set (ILqh;Ljava/lang/Object;)Ljava/lang/Object;
		ARG 1 rawId
		ARG 2 id
	METHOD a register (Lqh;Ljava/lang/Object;)Ljava/lang/Object;
		ARG 1 id
	METHOD c isEmpty ()Z