* synchronized.
   */
  @VisibleForTesting
  void invokeSubscriberMethod(Object event) throws InvocationTargetException {
    try {
      method.invoke(target, checkNotNull(event));
    } catch (IllegalArgumentException e) {
      throw new Error("Method rejected target/argument: " + event, e);
    } catch (IllegalAccessException e) {
      throw new Error("Method became inaccessible: " + event, e);
    } catch (InvocationTargetException e) {

        "sha256/afwiKY3RxoMmLkuRW1l7QsPZTJPwDS2pdDROQjXw8ig=");

    @Override public Response intercept(Chain chain) throws IOException {
      for (Certificate certificate : chain.connection().handshake().peerCertificates()) {
        String pin = CertificatePinner.pin(certificate);
        if (denylist.contains(pin)) {
          throw new IOException("Denylisted peer certificate: " + pin);
        }
      }
      return chain.proceed(chain.request());

                throw new IOException( ie.getMessage() );
            }
            result = pipe_buf[beg_idx] & 0xFF;
            beg_idx = ( beg_idx + 1 ) % pipe_buf.length;
        }
        return result;
    }
    public int read( byte[] b ) throws IOException {
        return read( b, 0, b.length );
    }
    public int read( byte[] b, int off, int len ) throws IOException {
        int result = -1;

      builder.append("UNKNOWN, cause=[").append(e.getClass()).append(" thrown from get()]");
    }
  }

  private enum State {
    PENDING {
      @Override
      boolean isDone() {
        return false;
      }

      @Override
      void maybeThrowOnGet(@Nullable Throwable cause) throws ExecutionException {
        throw new IllegalStateException("Cannot get() on a pending future.");
      }

    } catch (IOException e) {
      result.close();
      throw e;
    }
    return result;
  }

  @Override public Socket createSocket(
      String host, int port, InetAddress localHost, int localPort) throws IOException {
    return createSocket(host, port);
  }

  @Override public Socket createSocket(InetAddress host, int port) throws IOException {
    Socket result = createSocket();

    try {

        if (extractorFactory == null) {
            throw new FessSystemException("Could not find extractorFactory.");
        }
        Extractor extractor = extractorFactory.getExtractor(responseData.getMimeType());
        if (extractor == null) {
            extractor = ComponentUtil.getComponent("tikaExtractor");
            if (extractor == null) {
                throw new FessSystemException("Could not find tikaExtractor.");

    }


    public int available () throws IOException {
        return this.dis.available();
    }


    public void readFully ( byte[] b ) throws IOException {
        this.dis.readFully(b);
    }


    public void readFully ( byte[] b, int off, int len ) throws IOException {
        this.dis.readFully(b, off, len);
    }


    public char readChar () throws IOException {
        align(2);

      throw new UnsupportedOperationException();
    }

    @Override
    public void replaceAll(BiFunction<? super K, ? super V, ? extends V> function) {
      throw new UnsupportedOperationException();
    }

    @Override
    @CheckForNull
    public V putIfAbsent(K key, V value) {
      throw new UnsupportedOperationException();
    }

        if (in == null) {
            throw new CrawlerSystemException("The inputstream is null.");
        }
        try {
            @SuppressWarnings("resource")
            final SlideShowExtractor<HSLFShape, HSLFTextParagraph> extractor = new SlideShowExtractor<>(new HSLFSlideShow(in));
            return new ExtractData(extractor.getText());
        } catch (final IOException e) {
            throw new ExtractException(e);
        }
    }

        int i;
        int len;
        if ( buf.length < TOK_ID_SIZE + MECH_OID_LEN_SIZE ) {
            throw new IllegalArgumentException();
        }
        // TOK_ID
        for ( i = 0; i < TOK_ID.length; i++ ) {
            if ( TOK_ID[ i ] != buf[ i ] ) {
                throw new IllegalArgumentException();
            }
        }
        // MECH_OID_LEN
        len = 0xff00 & ( buf[ i++ ] << 8 );