final int errorCode = in.read() & 0xFF;
            close();
            throw new NbtException(NbtException.ERR_SSN_SRVC, errorCode);
        case -1:
            throw new NbtException(NbtException.ERR_SSN_SRVC, NbtException.CONNECTION_REFUSED);
        default:
            close();
            throw new NbtException(NbtException.ERR_SSN_SRVC, 0);
        }
    }

    @Override

        if (buf.dec_ndr_small() != 5 || buf.dec_ndr_small() != 0) {
            throw new NdrException("DCERPC version not supported");
        }
        ptype = buf.dec_ndr_small();
        flags = buf.dec_ndr_small();
        if (buf.dec_ndr_long() != 0x00000010) { /* Little-endian / ASCII / IEEE */
            throw new NdrException("Data representation not supported");
        }
        length = buf.dec_ndr_short();

            plexusConfig = plexusConfiguration;
        } else if (configuration instanceof Xpp3Dom xpp3Dom) {
            plexusConfig = new XmlPlexusConfiguration(xpp3Dom);
        } else {
            throw new BeanConfigurationException("unsupported bean configuration source ("
                    + configuration.getClass().getName() + ")");
        }

        if (request.getConfigurationElement() != null) {

        new AbstractLoadingCache<Object, Object>() {
          @Override
          public Object get(Object key) throws ExecutionException {
            Object v = valueRef.get();
            if (v == null) {
              throw new ExecutionException(cause);
            }
            return v;
          }

          @Override
          public @Nullable Object getIfPresent(Object key) {
            return valueRef.get();
          }

    if (key == null) {
      throw new NullPointerException("null key in entry: null=" + value);
    } else if (value == null) {
      throw new NullPointerException("null value in entry: " + key + "=null");
    }
  }

  @CanIgnoreReturnValue
  static int checkNonnegative(int value, String name) {
    if (value < 0) {
      throw new IllegalArgumentException(name + " cannot be negative but was: " + value);

                    state = 0;
                    thread = null;
                    throw new TransportException("Connection timeout");
                case 2:
                    if (te != null) { /* doConnect throw Exception */
                        state = 4; /* error */
                        thread = null;
                        throw te;
                    }
                    state = 3; /* Success! */
                }

        if (sessionId == null || sessionId.isEmpty()) {
            throw new CIFSException("Session ID cannot be null or empty");
        }
        if (salt == null || salt.length < 16) {
            throw new CIFSException("Invalid preauth salt: minimum 16 bytes required");
        }
        if (!isHashAlgorithmSupported(hashAlgorithm)) {
            throw new CIFSException("Unsupported hash algorithm: " + hashAlgorithm);
        }

    TestCloseable c2 = closer.register(TestCloseable.normal());

    IOException exception = new IOException();

    try {
      try {
        throw exception;
      } catch (Throwable e) {
        throw closer.rethrow(e);
      } finally {
        closer.close();
      }
    } catch (Throwable expected) {
      assertSame(exception, expected);
    }

    assertTrue(c1.isClosed());

        } catch (final CrawlerSystemException e) {
            // Verify it's exactly CrawlerSystemException, not a subclass
            assertEquals("Should throw CrawlerSystemException", CrawlerSystemException.class, e.getClass());
        } catch (final Exception e) {
            fail("Should throw CrawlerSystemException, not " + e.getClass().getName());
        }
    }

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

    /**
     * Performs a HEAD request.
     * @param url The URL to request.
     * @return The ResponseData.
     */
    protected ResponseData doHead(final String url) {
        throw new CrawlerSystemException("HEAD method is not supported.");
    }

    /**