return StringUtil.isBlank(key) ? StringUtil.EMPTY : key;
    }

    /**
     * Retrieves related queries for a given search term.
     * The search is performed using the current virtual host context and
     * the query term is converted to lowercase for case-insensitive matching.
     *
     * @param query the search term to find related queries for

            synchronized (lastTime) {
                final long lastValue = lastTime.get();
                if (lastValue == 0) {
                    // First access to this host - no delay needed
                    // Set current time to allow proper delay for next access
                    lastTime.set(SystemUtil.currentTimeMillis());
                    return;
                }

            // Then
            assertEquals(443, port);
            assertEquals(Handler.DEFAULT_HTTPS_PORT, port);
        }

        @Test
        @DisplayName("Should override parent HTTP port")
        void testPortOverride() {
            // When
            int httpsPort = handler.getDefaultPort();

            // Then
            assertEquals(443, httpsPort);

        assertEquals("ISO-8859-1", queue.getEncoding());

        queue.setEncoding(null);
        assertNull(queue.getEncoding());
    }

    public void test_parentUrlGetterSetter() {
        // Test parent URL getter/setter
        UrlQueueImpl<Long> queue = new UrlQueueImpl<>();

        String parentUrl = "https://example.com";
        queue.setParentUrl(parentUrl);
        assertEquals(parentUrl, queue.getParentUrl());

     *
     * @param millis
     *            the length of time to sleep in milliseconds
     * @throws InterruptedRuntimeException
     *             if any thread has interrupted the current thread.
     */
    public static void sleep(final long millis) {
        if (millis < 1L) {
            return;
        }
        try {
            Thread.sleep(millis);

    }
    
    return files;
}

@Override
public boolean exists() throws IOException {
    if (isDirectory() && directoryLeaseManager != null) {
        // Check parent directory cache first
        String parentPath = getParent();
        DirectoryCacheEntry parentCache = directoryLeaseManager.getCacheEntry(parentPath);
        
        if (parentCache != null && parentCache.isComplete()) {

import jcifs.internal.SMBProtocolDecodingException;
import jcifs.internal.smb1.ServerMessageBlock;
import jcifs.internal.util.SMBUtil;

/**
 * SMB1 COM_SEEK command implementation.
 *
 * This command changes the current file position pointer for a file.
 * It allows seeking to different positions within an open file.
 *
 * @author mbechler
 */
public class SmbComSeek extends ServerMessageBlock {

    /**

                    logger.debug("Deleted thumbnail file: {}", path);
                }

                Path parent = path.getParent();
                while (deleteEmptyDirectory(parent)) {
                    parent = parent.getParent();
                }
            } catch (final IOException e) {
                logger.warn("Failed to delete thumbnail file: {}", path, e);
            }
        }

    //                                                                        ============

    /**
     * Gets a label type entity based on the form and current user info.
     *
     * @param form the create form
     * @param username the current username
     * @param currentTime the current time
     * @return optional label type entity
     */

    /** Helper for managing popular search words and suggestions. */
    @Resource
    protected PopularWordHelper popularWordHelper;

    /** The HTTP servlet request object for the current request. */
    @Resource
    protected HttpServletRequest request;

    /** Flag indicating whether search logging is enabled. */
    protected boolean searchLogSupport;