{"ast_node_type":"other","tokens":[{"end":76,"kind":"keyword","start":0,"text":")"}]}
    ) -> Result<Result<Vec<(String, ProcMacroKind)>, String>, ServerError> {
        dylib_path: &AbsPath,
        let request = Request::ListMacros { dylib_path: dylib_path.to_path_buf().into() };