/** The key of the message: Value */
    public static final String LABELS_VALUE = "{labels.value}";

    /** The key of the message: Version No */
    public static final String LABELS_VERSION_NO = "{labels.versionNo}";

    /** The key of the message: Schedule */
    public static final String LABELS_CRON_EXPRESSION = "{labels.cronExpression}";

    /** The key of the message: Delete documents older than specified days */