{"ast_node_type":"other","tokens":[{"end":88,"kind":"keyword","start":0,"text":"lock_file_to_session_dir.items().filter_map(|(lock_file_name,"}]}
        lock_file_to_session_dir.items().filter_map(|(lock_file_name, directory_name)| {
    let deletion_candidates =
            debug!("garbage_collect_session_directories() - inspecting: {}", directory_name);