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

    /**
     * Extracts text from the Visio input stream.
     * @param in The input stream.
     * @param params The parameters.
     * @return The extracted data.
     */
    @Override
    public ExtractData getText(final InputStream in, final Map<String, String> params) {
        if (in == null) {

 *
 * @param <IDTYPE> the type of the identifier for the URL queue entry
 */
public interface UrlQueue<IDTYPE> {

    /**
     * Retrieves the unique identifier of the URL queue.
     *
     * @return the unique identifier of type IDTYPE.
     */
    IDTYPE getId();

    /**
     * Sets the unique identifier for the URL queue.
     *
     * @param id the unique identifier to set
     */

    /**
     * Wraps an object instance into a pooled object.
     * @param obj The object to wrap
     * @return A PooledObject wrapping the given object
     */
    @Override
    public PooledObject<T> wrap(final T obj) {
        return new DefaultPooledObject<>(obj);
    }

    /**
     * Destroys a pooled object and notifies the destroy listener if set.
     * @param p The pooled object to destroy

     * Deletes all access results for a specific session.
     *
     * @param sessionId The session ID.
     */
    @Override
    public void delete(final String sessionId) {
        deleteBySessionId(sessionId);
    }

    /**
     * Gets an access result by session ID and URL.
     *
     * @param sessionId The session ID.
     * @param url The URL.
     * @return The access result, or null if not found.
     */

     * Initialize a url filter by sessionId.
     *
     * @param sessionId Session ID
     */
    void init(String sessionId);

    /**
     * Check if a given url is a target.
     *
     * @param url URL
     * @return true if url is matched
     */
    boolean match(String url);

    /**
     * Add an url pattern as a target.
     *
     * @param urlPattern Regular expression that is crawled
     */

    /**
     * Processes allowed SIDs (Security Identifiers) and adds them to the SID set.
     * If the SID is a group, it recursively processes all group members.
     *
     * @param file the SMB1 file
     * @param sid the SID to process
     * @param sidSet the set of SIDs to add to
     */
    protected void processAllowedSIDs(final SmbFile file, final SID sid, final Set<SID> sidSet) {
        if (logger.isDebugEnabled()) {

        }
    }

    /**
     * Adds a conversion rule for mapping input file extensions to output extensions.
     *
     * @param inExt the input file extension
     * @param outExt the output file extension
     */
    public void addConversionRule(final String inExt, final String outExt) {
        extensionMap.put(inExt, outExt);
    }

    /*

     *
     * @param responseBody the byte array containing the response body
     */
    public void setResponseBody(final byte[] responseBody) {
        responseBodyBytes = responseBody;
    }

    /**
     * Sets the response body from a file.
     *
     * @param responseBody the file containing the response body

     * suppression enabled or disabled, and writable stack trace enabled or disabled.
     *
     * @param message the detail message.
     * @param enableSuppression whether or not suppression is enabled or disabled.
     * @param writableStackTrace whether or not the stack trace should be writable.
     */

     * @param in the input stream to validate
     * @return true if the stream contains valid sitemap data, false otherwise
     */
    public boolean isValid(final InputStream in) {
        return isValid(in, true);
    }

    /**
     * Checks if the given input stream contains valid sitemap data.
     * @param in the input stream to validate