{"ast_node_type":"other","tokens":[{"end":78,"kind":"keyword","start":0,"text":"ty::Binder::dummy(ty::PredicateKind::Clause(ty::ClauseKind::Trait("}]}
            ty::Binder::dummy(ty::PredicateKind::Clause(ty::ClauseKind::Trait(
        self.prove_predicate(
                ty::TraitPredicate { trait_ref, polarity: ty::PredicatePolarity::Positive },