if (responseData == null || !responseData.hasResponseBody()) {
            throw new CrawlingAccessException("No response body.");
        }

        final ExtractorFactory extractorFactory = crawlerContainer.getComponent("extractorFactory");
        if (extractorFactory == null) {
            throw new CrawlerSystemException("Could not find extractorFactory.");
        }

    if (deleteFaults.contains(path)) throw IOException("boom!")
    super.delete(path, mustExist)
  }

  @Throws(IOException::class)
  override fun deleteRecursively(
    fileOrDirectory: Path,
    mustExist: Boolean,
  ) {
    if (deleteFaults.contains(fileOrDirectory)) throw IOException("boom!")
    super.deleteRecursively(fileOrDirectory, mustExist)
  }

  override fun appendingSink(
    file: Path,
    mustExist: Boolean,

  }

  public void start() throws Exception {
    if (mockWebServer != null) throw new IllegalStateException();

    mockWebServer = new MockWebServer();
    mockWebServer.setDispatcher(this);
    mockWebServer.start(slackApi.port);
  }

  public HttpUrl newAuthorizeUrl(String scopes, String team, Listener listener) {
    if (mockWebServer == null) throw new IllegalStateException();

            // original recommended version
            version = restriction.recommendedVersion;
        }
        /* TODO should throw this immediately, but need artifact
                else
                {
                    throw new OverConstrainedVersionException( "Restricting incompatible version ranges" );
                }
        */

        return new VersionRange(version, restrictions);

    Comparable<?> endpoint() {
      throw new IllegalStateException("range unbounded on this side");
    }

    @Override
    boolean isLessThan(Comparable<?> value) {
      return true;
    }

    @Override
    BoundType typeAsLowerBound() {
      throw new IllegalStateException();
    }

    @Override
    BoundType typeAsUpperBound() {

    private void parse ( byte[] material ) throws IOException {
        int pos = 0;
        for ( int i = 0; i < 8; i++ ) {
            if ( material[ i ] != NTLMSSP_SIGNATURE[ i ] ) {
                throw new IOException("Not an NTLMSSP message.");
            }
        }
        pos += 8;

        if ( readULong(material, pos) != NTLMSSP_TYPE1 ) {
            throw new IOException("Not a Type 1 message.");
        }

internal class FileOperator(
  private val fileChannel: FileChannel,
) {
  /** Write [byteCount] bytes from [source] to the file at [pos]. */
  @Throws(IOException::class)
  fun write(
    pos: Long,
    source: Buffer,
    byteCount: Long,
  ) {
    if (byteCount < 0L || byteCount > source.size) {
      throw IndexOutOfBoundsException()
    }
    var mutablePos = pos
    var mutableByteCount = byteCount

                    if (lmHash.length == 0 && ntHash.length == 0) {
                        throw new RuntimeException("Null setup prohibited.");
                    }
                } else if( DISABLE_PLAIN_TEXT_PASSWORDS ) {
                    throw new RuntimeException( "Plain text passwords are disabled" );
                } else if( useUnicode ) {
                    // plain text

    }

    protected ResponseData doGet(final String url) {
        throw new CrawlerSystemException("GET method is not supported.");
    }

    protected ResponseData doHead(final String url) {
        throw new CrawlerSystemException("HEAD method is not supported.");
    }

    protected ResponseData doPost(final String url) {
        throw new CrawlerSystemException("POST method is not supported.");
    }

        return;
      } catch (InterruptedException ie) {
        throw new RuntimeException("Unexpected interrupt while waiting for future", ie);
      } catch (TimeoutException tryHarder) {
        /* OK */
      }
    } while (System.nanoTime() - deadline < 0);
    throw formatRuntimeException("Future not done within %d second timeout", timeoutSeconds);
  }

  /**