{"ast_node_type":"other","tokens":[{"end":41,"kind":"keyword","start":0,"text":"clauses.visit_ty_unambig(hir_ty);"}]}
        clauses.visit_ty_unambig(hir_ty);
        let mut clauses = CollectClauses { clauses: vec![], fcx: self };
        self.tcx.mk_clauses(&clauses.clauses)