public static final String LABELS_max_access_count = "{labels.max_access_count}";

    /** The key of the message: Number of Threads */
    public static final String LABELS_number_of_thread = "{labels.number_of_thread}";

    /** The key of the message: Interval */
    public static final String LABELS_interval_time = "{labels.interval_time}";

    /** The key of the message: msec */