{"ast_node_type":"other","tokens":[{"end":57,"kind":"keyword","start":0,"text":"self.normalize_and_prove_instantiated_predicates("}]}
        self.normalize_and_prove_instantiated_predicates(
        let predicates = self.prove_closure_bounds(tcx, def_id, args, Locations::All(span));
            def_id.to_def_id(),