String INDEX_ADMIN_INTEGER_FIELDS = "index.admin.integer.fields";

    /** The key of the configuration. e.g. content_length,favorite_count,click_count */
    String INDEX_ADMIN_LONG_FIELDS = "index.admin.long.fields";

    /** The key of the configuration. e.g. boost */
    String INDEX_ADMIN_FLOAT_FIELDS = "index.admin.float.fields";

    /** The key of the configuration. e.g.  */

    protected int majorVersion;

    protected int minorVersion;

    protected String productVersion;

    protected long eolTime;

    private short systemCpuPercent;

    private long systemCpuCheckTime;

    private long systemCpuCheckInterval = 1000L;

    protected Map<String, Supplier<String>> updateConfigListenerMap = new HashMap<>();

/**
 * The keys for message.
 * @author FreeGen
 */
public class FessLabels extends UserMessages {

    /** The serial version UID for object serialization. (Default) */
    private static final long serialVersionUID = 1L;

    /** The key of the message: Realm */
    public static final String LABELS_AUTH_REALM = "{labels.authRealm}";

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