try {
            final URLConnection connection = url.openConnection();
            connection.setUseCaches(false);
            return connection.getInputStream();
        } catch (final IOException e) {
            throw new IORuntimeException(e);
        }
    }

    /**
     * Returns a {@link URLConnection} object that represents a connection to the remote object referred to by the URL.
     *
     * @param url

                                && auth != NtlmPasswordAuthentication.ANONYMOUS) {
                            throw new SmbAuthException(NtStatus.NT_STATUS_LOGON_FAILURE);
                        }

                        if (ex != null) {
                            throw ex;
                        }

                        uid = response.uid;

                        if (request.digest != null) {

        if (StringUtil.isBlank(endpoint)) {
            throw new CrawlingAccessException("endpoint is blank.");
        }
        builder.endpoint(endpoint);
        final String accessKey = getInitParameter("accessKey", null, String.class);
        if (StringUtil.isBlank(accessKey)) {
            throw new CrawlingAccessException("accessKey is blank.");
        }

  /**
   * Guaranteed to throw an exception and leave the underlying data unmodified.
   *
   * @throws UnsupportedOperationException always
   * @deprecated Unsupported operation.
   */
  @Deprecated
  @Override
  @DoNotCall("Always throws UnsupportedOperationException")
  public final void add(@ParametricNullness E e) {
    throw new UnsupportedOperationException();
  }

  /**

     */
    public String validatePath(String path) throws SmbException {
        if (path == null || path.isEmpty()) {
            throw new SmbException("Path cannot be null or empty");
        }

        // Check length
        if (path.length() > maxPathLength) {
            throw new SmbException("Path exceeds maximum length: " + path.length() + " > " + maxPathLength);
        }

        // Check for null bytes

    } catch (e: InvocationTargetException) {
      throw AssertionError("failed to set ALPN", e)
    } catch (e: IllegalAccessException) {
      throw AssertionError("failed to set ALPN", e)
    }
  }

  override fun afterHandshake(sslSocket: SSLSocket) {
    try {
      removeMethod.invoke(null, sslSocket)
    } catch (e: IllegalAccessException) {
      throw AssertionError("failed to remove ALPN", e)

          throw multiples(true);
        }
        return this;
      }
    }

    Optional<Object> getOptional() {
      if (extras.isEmpty()) {
        return Optional.ofNullable(element);
      } else {
        throw multiples(false);
      }
    }

    Object getElement() {
      if (element == null) {
        throw new NoSuchElementException();

            throw new CIFSUnsupportedCryptoException(e);
        }
    }

    /**
     * Get an MD5 message digest instance.
     * @return MD5 digest instance
     */
    public static MessageDigest getMD5() {
        try {
            return MessageDigest.getInstance("MD5");
        } catch (final NoSuchAlgorithmException e) {
            throw new CIFSUnsupportedCryptoException(e);
        }

        throw ProtocolException(
          "HTTP $code had non-zero Content-Length: ${response.body.contentLength()}",
        )
      }
      return response
    } catch (e: IOException) {
      if (sendRequestException != null) {
        sendRequestException.addSuppressed(e)
        throw sendRequestException
      }
      throw e
    }
  }

     */
    public void addClient(final String regex, final CrawlerClient client) {
        if (StringUtil.isBlank(regex)) {
            throw new CrawlerSystemException("A regular expression is null.");
        }
        if (client == null) {
            throw new CrawlerSystemException("CrawlerClient is null.");
        }
        clientMap.put(Pattern.compile(regex), client);
    }

    /**