/** The key of the message: Remove Documents Before Days */
    public static final String LABELS_DAY_FOR_CLEANUP = "{labels.dayForCleanup}";

    /** The key of the message: Simultaneous Crawler Config */
    public static final String LABELS_CRAWLING_THREAD_COUNT = "{labels.crawlingThreadCount}";

    /** The key of the message: Boost */
    public static final String LABELS_BOOST = "{labels.boost}";