if (map.remove(key, oldValue)) {
                          threadSum -= oldValue;
                        }
                        break;
                      default:
                        throw new AssertionError();
                    }
                  }
                  return threadSum;
                }
              }));
    }
    threadPool.shutdown();

  Object writeReplace() {
    return new EntrySetSerializedForm<>(map());
  }

  @GwtIncompatible
  @J2ktIncompatible
    private void readObject(ObjectInputStream stream) throws InvalidObjectException {
    throw new InvalidObjectException("Use EntrySetSerializedForm");
  }

  @GwtIncompatible
  @J2ktIncompatible
  private static final class EntrySetSerializedForm<K, V> implements Serializable {

  IncidentEdgeSet(ArchetypeGraph<N> graph, N node, EdgeType edgeType) {
    this.graph = graph;
    this.node = node;
    this.edgeType = edgeType;
  }

  @Override
  public boolean remove(@Nullable Object o) {
    throw new UnsupportedOperationException();
  }

  @Override
  public int size() {
    if (graph.isDirected()) {
      return predecessorsOrEmpty(node).size()
          + successorsOrEmpty(node).size()

    expectAdded(e0());
  }

  @CollectionFeature.Require(absent = SUPPORTS_ADD)
  @CollectionSize.Require(absent = ZERO)
  /*
   * absent = ZERO isn't required, since unmodList.add() must
   * throw regardless, but it keeps the method name accurate.
   */
  public void testAdd_unsupportedPresent() {
    assertThrows(UnsupportedOperationException.class, () -> getList().add(e0()));
  }

                this.checksum = new byte[bufferStream.available()];
                break;
            }
            bufferStream.readFully(this.checksum);
        } catch (final IOException e) {
            throw new PACDecodingException("Malformed PAC signature", e);
        }
    }

    /**
     * Gets the checksum type of this signature.
     *
     * @return the checksum type constant
     */

     */
    @Override
    public void close() {
        // nothing to clean up
        this.next = null;
    }

    @Override
    public void remove() {
        throw new UnsupportedOperationException("remove");
    }

            case RepositoryPolicy.CHECKSUM_POLICY_WARN -> RepositoryPolicy.CHECKSUM_POLICY_WARN;
            default ->
                throw new IllegalArgumentException("unknown repository checksum policy: " + artifactRepositoryPolicy);
        };
    }

    }

    @Test
    void testHelpExecuteDoesNotThrow() throws Exception {
        UpgradeContext context = createMockContext();

        // Should not throw any exceptions
        assertDoesNotThrow(() -> help.execute(context));
    }

    @Test
    void testHelpLogsMessages() throws Exception {
        UpgradeContext context = createMockContext();

  }

  private var started: Boolean = false

  @Synchronized override fun before() {
    if (started) return
    try {
      start()
    } catch (e: IOException) {
      throw RuntimeException(e)
    }
  }

  @JvmName("-deprecated_port")
  fun getPort(): Int = port

  fun toProxyAddress(): Proxy {
    before() // This implicitly starts the delegate.
    return delegate.proxyAddress

  Object writeReplace() {
    return new EnumSerializedForm<E>(delegate);
  }

  @J2ktIncompatible // serialization
  private void readObject(ObjectInputStream stream) throws InvalidObjectException {
    throw new InvalidObjectException("Use SerializedForm");
  }

  /*
   * This class is used to serialize ImmutableEnumSet instances.
   */
  @J2ktIncompatible // serialization