then removed after the write. This is used to detect partially written files (due to a serious crash)
        and to silently clean them.
     */
    public static final String IN_PROGRESS_MARKER_FILE_SUFFIX = ".fslck";

    private File baseDir;

    public DefaultPathKeyFileStore(ChecksumService checksumService, File baseDir) {
        this.checksumService = checksumService;
        this.baseDir = baseDir;
    }