{"ast_node_type":"variable","tokens":[{"end":65,"kind":"keyword","start":0,"text":"let"}]}
        let module_id = db.module_for_file(file_id.file_id(&db));
    for (trait_id, name) in file_ids.into_iter().flat_map(|file_id| {
        let def_map = module_id.def_map(&db);