// Test with no matching headers
        String result = virtualHostHelper.processVirtualHost(s -> "processed_" + s, "default");
        assertEquals("default", result);

        // Test with matching first header
        request.addHeader("Host", "example.com");
        result = virtualHostHelper.processVirtualHost(s -> "processed_" + s, "default");
        assertEquals("processed_site1", result);

        return url;
    }

    /**
     * Extracts and processes the site path from a URL with proper encoding handling.
     * Removes protocol, query parameters, and applies URL decoding based on encoding settings.
     *
     * @param u the URL string to process
     * @param encoding the character encoding to use for URL decoding
     * @return the processed site path, abbreviated if necessary
     */

        default -> false;
        };
    }

    /**
     * Processes and saves an image from the input stream to the output file as a thumbnail.
     *
     * <p>This method reads image data, validates dimensions, applies subsampling and scaling
     * transformations based on configuration settings, and writes the processed thumbnail
     * to the specified output file.</p>
     *

 * <li>Applies document boosting rules and click/favorite count enhancements</li>
 * <li>Sends processed documents to the search engine for indexing</li>
 * <li>Manages cleanup of processed crawler session data</li>
 * </ul>
 *
 * <p>The updater runs continuously until crawling is finished and all documents are processed.
 * It includes error handling, retry logic, and performance monitoring capabilities.
 *
 */

        if (logger.isDebugEnabled()) {
            logger.debug("Favorite Count: {}, url: {}", count, url);
        }
    }

    /**
     * Returns the total number of documents processed.
     *
     * @return the number of documents processed
     */
    @Override
    public long getDocumentSize() {
        return documentSize.get();
    }

    /**
     * Returns the total execution time for all operations.

         * @param query the query string to process
         * @param chain the next filter chain to invoke
         * @return the processed Query object
         */
        Query parse(final String query, final FilterChain chain);
    }

    /**
     * Interface for the filter chain that processes queries.
     * Each filter in the chain can invoke the next filter or terminate the chain.
     */
    public interface FilterChain {

        try {
            // Start multiple processes
            processHelper.startProcess(sessionId1, cmdList, pbCall);
            processHelper.startProcess(sessionId2, cmdList, pbCall);

            assertTrue(processHelper.isProcessRunning());

            // Wait a bit for the processes to start
            Thread.sleep(50);

            // Destroy all processes
            processHelper.destroy();

        return processResponse(searchResponseOpt);
    }

    /**
     * Processes the OpenSearch response and converts it to a SearchResult.
     *
     * @param searchResponseOpt the optional search response from OpenSearch
     * @return the processed search result
     */
    protected SearchResult processResponse(final OptionalEntity<SearchResponse> searchResponseOpt) {

    protected LinkedList<String> tagQueue;

    /** List to store parsed label types for access control. */
    protected List<LabelType> labelList;

    /** Current label type being processed during parsing. */
    protected LabelType labelType;

    /** Map to store global configuration parameters. */
    protected Map<String, String> globalParams = new HashMap<>();

        /** Indicates that a URL was prepared for crawling. */
        PREPARED,
        /** Indicates that a URL redirect was encountered. */
        REDIRECTED,
        /** Indicates that a URL was processed completely. */
        PROCESSED
    }