CLASS ah net/minecraft/advancement/criterion/ConstructBeaconCriterion CLASS ah$a Handler FIELD a manager Lqy; FIELD b conditions Ljava/util/Set; METHOD a isEmpty ()Z METHOD a handle (Lbrv;)V METHOD a addCondition (Lw$a;)V METHOD b removeCondition (Lw$a;)V CLASS ah$b Conditions FIELD a level Lbh$d; METHOD a level (Lbh$d;)Lah$b; METHOD a matches (Lbrv;)Z FIELD a ID Lqp; FIELD b handlers Ljava/util/Map; METHOD a handle (Lvd;Lbrv;)V ARG 1 player