CLASS bt net/minecraft/advancement/criterion/VillagerTradeCriterion CLASS bt$a Handler FIELD a manager Lra; FIELD b conditions Ljava/util/Set; METHOD a isEmpty ()Z METHOD a handle (Lvf;Lauv;Lbbq;)V ARG 1 villager METHOD a addCondition (Lx$a;)V METHOD b removeCondition (Lx$a;)V CLASS bt$b Conditions FIELD a item Lav; FIELD b villager Lbc; METHOD a matches (Lvf;Lauv;Lbbq;)Z METHOD c any ()Lbt$b; FIELD a ID Lqr; FIELD b handlers Ljava/util/Map; METHOD a handle (Lvf;Lauv;Lbbq;)V ARG 1 player