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