* @return The extracted data.
     */
    @Override
    public ExtractData getText(final InputStream in, final Map<String, String> params) {
        if (in == null) {
            throw new CrawlerSystemException("The inputstream is null.");
        }
        try {
            @SuppressWarnings("resource")
            final VisioTextExtractor visioTextExtractor = new VisioTextExtractor(in);

    private static final class TestFileEntry implements FileEntry {
        private final String name;
        private final int type;
        private final int attributes;
        private final long createTime;
        private final long lastModified;
        private final long lastAccess;
        private final long length;
        private final int fileIndex;

     */
    private ResultData ingest(final ResponseData responseData, final ResultData resultData) {
        if (ingestFactory == null) {
            return resultData;
        }
        ResultData target = resultData;
        for (final Ingester ingester : ingestFactory.getIngesters()) {
            try {
                target = ingester.process(target, responseData);
            } catch (final Exception e) {

  // temporary-use one. Therefore it shouldn't be persisted.
  static final HashFunction GOOD_FAST_HASH_32 =
      new Murmur3_32HashFunction(Hashing.GOOD_FAST_HASH_SEED, /* supplementaryPlaneFix= */ true);

  private static final int CHUNK_SIZE = 4;

  private static final int C1 = 0xcc9e2d51;
  private static final int C2 = 0x1b873593;

  private final int seed;
  private final boolean supplementaryPlaneFix;

        TestComponent.resetCounter();
        factory.setComponentName("testComponent");

        final int threadCount = 10;
        final int objectsPerThread = 10;
        final List<TestComponent> createdComponents = new ArrayList<>();
        final List<Exception> exceptions = new ArrayList<>();

        Thread[] threads = new Thread[threadCount];
        for (int i = 0; i < threadCount; i++) {

     */
    protected static final String ACCESS_CONTROL_ALLOW_ORIGIN = "Access-Control-Allow-Origin";

    /**
     * CORS header for specifying allowed headers.
     */
    protected static final String ACCESS_CONTROL_ALLOW_HEADERS = "Access-Control-Allow-Headers";

    /**
     * CORS header for specifying allowed HTTP methods.
     */

     */
    public static DocumentBuilderFactory newInstance(final boolean external) {
        final DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
        if (!external) {
            try {
                factory.setAttribute(XMLConstants.ACCESS_EXTERNAL_DTD, "");
                factory.setAttribute(XMLConstants.ACCESS_EXTERNAL_SCHEMA, "");
            } catch (final Exception e) {
                if (logger.isDebugEnabled()) {

     */
    public CIFSUnsupportedCryptoException(final String message, final Throwable cause) {
        super(message, cause);
    }

    /**
     * Constructs a CIFS unsupported crypto exception with the specified detail message.
     *
     * @param message the detail message
     */
    public CIFSUnsupportedCryptoException(final String message) {
        super(message);
    }

    /**

     */
    public SMBProtocolDowngradeException(final String message, final Throwable cause) {
        super(message, cause);
    }

    /**
     * Creates a new SMBProtocolDowngradeException with the specified detail message.
     *
     * @param message the detail message
     */
    public SMBProtocolDowngradeException(final String message) {
        super(message);
    }

    /**

     */
    public TransportException(final Throwable rootCause) {
        super(rootCause);
    }

    /**
     * Constructs a new TransportException with the specified detail message and cause.
     * @param msg the detail message
     * @param rootCause the cause of this exception
     */
    public TransportException(final String msg, final Throwable rootCause) {
        super(msg, rootCause);
    }