public static final String NDJSON_EXTENTION = ".ndjson";

    private static final DateTimeFormatter ISO_8601_FORMATTER = DateTimeFormatter.ofPattern("yyyy-MM-dd'T'HH:mm:ss.SSS");

    @Resource
    private AsyncManager asyncManager;

    @Resource
    private WebConfigBhv webConfigBhv;

    @Resource
    private FileConfigBhv fileConfigBhv;

    @Resource

    public static final String FIELD_LOGS = "fess.FieldLogs";

    public static final String DEFAULT_DATETIME_FORMAT = "yyyy-MM-dd'T'HH:mm:ss";

    public static final String ISO_DATETIME_FORMAT = "yyyy-MM-dd'T'HH:mm:ss.SSS'Z'";

    public static final String DATE_OPTIONAL_TIME = "date_optional_time";

    public static final int DONE_STATUS = 9999;

    public static final String DEFAULT_IGNORE_FAILURE_TYPE = StringUtil.EMPTY;

    }

    public static String formatDuration(final long durationMillis) {
        return DurationFormatUtils.formatDuration(durationMillis, "d 'days' HH:mm:ss.SSS").replace("0 days", StringUtil.EMPTY).trim();

    }

    public static String formatNumber(final long value, final String pattern) {