// Could trigger failover logic here
    }

    /**
     * Handle node available events
     */
    private void handleNodeAvailable(WitnessNotification notification) {
        log.info("Node available: {}", notification.getResourceName());
        // Node is back online - could rebalance connections
    }

    /**

        try {
            searchEngineClient.deleteByQuery(fessConfig.getIndexDocumentUpdateIndex(), queryBuilder);

        } catch (final Exception e) {
            logger.error("Could not delete expired documents: {}", queryBuilder, e);
            resultBuf.append(e.getMessage()).append("\n");
        }

        return resultBuf.toString();
    }

     */
    <T extends Address> T unwrap(Class<T> type);

    /**
     * Gets the host name of this address.
     *
     * @return the resolved host name, or the host address if it could not be resolved
     */
    String getHostName();

    /**
     * Return the IP address as text such as "192.168.1.15".
     *
     * @return the ip address
     */
    String getHostAddress();

    /**

     */
    public MimeTypeHelperImpl() {
        try {
            mimeTypes = MimeTypesFactory.create(MIME_TYPES_RESOURCE_NAME);
        } catch (final Exception e) {
            throw new CrawlerSystemException("Could not initialize MimeTypeHelper.", e);
        }
    }

    @Override
    public String getContentType(final InputStream is, final String filename) {
        final Map<String, String> params = new HashMap<>();

any other pertinent obligations, then as a consequence you may not
distribute the Program at all. For example, if a patent license would
not permit royalty-free redistribution of the Program by all those who
receive copies directly or indirectly through you, then the only way you
could satisfy both it and this License would be to refrain entirely from
distribution of the Program.

If any portion of this section is held invalid or unenforceable under

 *       and operations that read from the stream (including {@link #length()}, in some
 *       implementations) will prevent further operations from completing as expected.
 * </ul>
 *
 * @since 14.0
 * @author Colin Decker
 */
@J2ktIncompatible
@GwtIncompatible
public abstract class CharSource {

  /** Constructor for use by subclasses. */
  protected CharSource() {}

  /**

 *       and operations that read from the stream (including {@link #length()}, in some
 *       implementations) will prevent further operations from completing as expected.
 * </ul>
 *
 * @since 14.0
 * @author Colin Decker
 */
@J2ktIncompatible
@GwtIncompatible
public abstract class CharSource {

  /** Constructor for use by subclasses. */
  protected CharSource() {}

  /**

   * generated by applying the specified functions. If multiple inputs are mapped to the same row
   * and column pair, they will be combined with the specified merging function in encounter order.
   *
   * <p>The returned {@code Collector} will throw a {@code NullPointerException} at collection time
   * if the row, column, value, or merging functions return null on any input.
   *
   * @since 33.2.0 (available since 21.0 in guava-jre)
   */

 * successful execution of the Mojo.
 *
 * <p>
 * Annotations:
 * </p>
 * <ul>
 * <li>{@link Experimental}: Indicates that this interface or its implementation
 * may still be evolving and could change in future versions.</li>
 * <li>{@link FunctionalInterface}: Denotes that this is a functional interface,
 * allowing implementations as lambda expressions or method references.</li>

    private static final Logger logger = LogManager.getLogger(ProtocolHelper.class);

    /** Array of supported web protocols with colon suffix (e.g., "http:", "https:") */
    protected String[] webProtocols = StringUtil.EMPTY_STRINGS;

    /** Array of supported file protocols with colon suffix (e.g., "file:", "ftp:") */
    protected String[] fileProtocols = StringUtil.EMPTY_STRINGS;

    /**