CLASS ar net/minecraft/advancement/criterion/EnterBlockCriterion
	CLASS ar$a Handler
		FIELD a manager Lrb;
		FIELD b conditions Ljava/util/Set;
		METHOD a isEmpty ()Z
		METHOD a handle (Lbvc;)V
		METHOD a addConditon (Lx$a;)V
		METHOD b removeCondition (Lx$a;)V
	CLASS ar$b Conditions
		FIELD a block Lbme;
		FIELD b state Ljava/util/Map;
		METHOD a block (Lbme;)Lar$b;
		METHOD a matches (Lbvc;)Z
	FIELD a ID Lqs;
	FIELD b handlers Ljava/util/Map;