/** List of duplicate host rules for URL conversion */
    protected List<DuplicateHost> duplicateHostList;

    /**
     * Default constructor for DuplicateHostHelper.
     * Creates a new duplicate host helper instance.
     */
    public DuplicateHostHelper() {
        // Default constructor
    }

    /**
     * Initializes the duplicate host helper after construction.

  public NavigableSet<E> elementSet() {
    return (NavigableSet<E>) super.elementSet();
  }

  @LazyInit private transient @Nullable UnmodifiableSortedMultiset<E> descendingMultiset;

  // TODO(b/418181860): This method creates retain cycles in J2ObjC. In order to break the cycle,
  // there needs to be separate classes for primary and descending multiset, where the primary one

    }

    // -----------------------------------------------------
    //                                         Actually Crud
    //                                         -------------
    /**
     * Creates a new path mapping based on the provided form data.
     *
     * @param form the create form containing the new path mapping data
     * @return HTML response redirecting to the path mapping list page
     */

  // TODO(lowasser): implement removeEldestEntry so this can be used as a drop-in replacement

  /** Creates an empty {@code CompactLinkedHashMap} instance. */
  public static <K extends @Nullable Object, V extends @Nullable Object>
      CompactLinkedHashMap<K, V> create() {
    return new CompactLinkedHashMap<>();
  }

  /**
   * Creates a {@code CompactLinkedHashMap} instance, with a high enough "initial capacity" that it

     * date. This incremental Sitemap fetching mechanism allows for the rapid
     * discovery of new URLs on very large sites.
     */
    private String lastmod;

    /**
     * Creates a new SitemapFile instance.
     */
    public SitemapFile() {
        // Default constructor
    }

    /*
     * (non-Javadoc)
     *
     * @see org.codelibs.fess.crawler.entity.Sitemap#getLoc()
     */

    /** Cache for parsed password configurations from extraction parameters. */
    private final Map<String, List<Pair<Pattern, String>>> configPasswordMap = new ConcurrentHashMap<>();

    /**
     * Creates a new PasswordBasedExtractor instance.
     */
    public PasswordBasedExtractor() {
        super();
    }

    /**
     * Adds a password for files matching the given regular expression pattern.

 * file authentication settings used by the Fess search engine.
 */
public class FileAuthenticationService {

    /**
     * Default constructor for file authentication service.
     * Creates a new instance with default values.
     */
    public FileAuthenticationService() {
        // Default constructor
    }

    /**
     * Behavior class for file authentication database operations.
     */

    private static final int ST_TYPE = 3;
    private static final int ST_GAP = 4;
    private static final int ST_EXT = 5;

    private final byte[] in;
    private int inLen;

    /**
     * Creates a new MimeMap instance by loading MIME type mappings from the resource file.
     *
     * @throws IOException if there is an error reading the mime.map resource file
     */
    public MimeMap() throws IOException {

    /**
     * The title of the image.
     */
    private String title;

    /**
     * A URL to the license of the image.
     */
    private String license;

    /**
     * Creates a new SitemapImage instance.
     */
    public SitemapImage() {
        // Default constructor
    }

    /**
     * Gets the location URL of the image.
     * @return the image URL
     */

 * {@link MemoryDataHelper} to store and manage the URL patterns in memory.
 *
 */
public class UrlFilterServiceImpl implements UrlFilterService {

    /**
     * Creates a new UrlFilterServiceImpl instance.
     */
    public UrlFilterServiceImpl() {
        // NOP
    }

    /**
     * The memory data helper.
     */
    @Resource