{"ast_node_type":"other","tokens":[{"end":5,"kind":"keyword","start":0,"text":"}"}]}
    }
        self.db.type_alias_signature(id).name.display(self.db, self.edition()).to_string()
    fn opaque_type_name(&self, opaque_ty_id: chalk_ir::OpaqueTyId<Interner>) -> String {