@Override
    public ArtifactRepositoryLayout getLayout(String layoutId) throws UnknownRepositoryLayoutException {
        return repositoryLayouts.get(layoutId);
    }

    @Override
    public ArtifactRepository createDeploymentArtifactRepository(
            String id, String url, String layoutId, boolean uniqueVersion) throws UnknownRepositoryLayoutException {

    @Override
    public void injectTransformedArtifacts(RepositorySystemSession session, MavenProject project) throws IOException {}

    @Override
    public void transform(MavenProject project, RepositorySystemSession session, ModelSource src, Path tgt)
            throws ModelBuilderException, XMLStreamException, IOException {
        throw new IllegalStateException("This transformer does not use this call.");
    }

              .build())
      .build();

  public void run() throws Exception {
    Request request = new Request.Builder()
        .url("https://publicobject.com/robots.txt")
        .build();

    try (Response response = client.newCall(request).execute()) {
      if (!response.isSuccessful()) throw new IOException("Unexpected code " + response);

     * @param repositories
     * @param session
     * @return PluginDescriptor The component descriptor for the Maven plugin.
     * @throws PluginNotFoundException The plugin could not be found in any repositories.
     * @throws PluginResolutionException The plugin could be found but could not be resolved.
     * @throws InvalidPluginDescriptorException
     */
    @Override
    public PluginDescriptor loadPlugin(

      };
    }

    @Override
    protected void run() throws Exception {}
  }

  public void testStopWhileStarting_runNotCalled() throws Exception {
    CountDownLatch started = new CountDownLatch(1);
    FakeService service =
        new FakeService() {
          @Override
          protected void startUp() throws Exception {
            super.startUp();
            started.await();
          }

     * @param attribute a attribute object.
     * @throws XmlPullParserException XmlPullParserException if
     * any.
     * @throws IOException IOException if any.
     */
    private void checkUnknownAttribute(XmlPullParser parser, String attribute, String tagName, boolean strict)
            throws XmlPullParserException, IOException {

    @Override
    public void transferStarted(TransferEvent event) throws TransferCancelledException {
        if (ongoing.get(new TransferResourceIdentifier(event.getResource())) == Boolean.FALSE) {
            throw new TransferCancelledException();
        }
        put(event, false);
    }

    @Override
    public void transferProgressed(TransferEvent event) throws TransferCancelledException {

      if (!response.isSuccessful()) throw new IOException("Unexpected code " + response);

      System.out.println("Server: " + response.header("Server"));
      System.out.println("Date: " + response.header("Date"));
      System.out.println("Vary: " + response.headers("Vary"));
    }
  }

  public static void main(String... args) throws Exception {
    new AccessHeaders().run();
  }

    handler.priority(streamId, streamDependency, weight, exclusive)
  }

  @Throws(IOException::class)
  private fun readRstStream(
    handler: Handler,
    length: Int,
    flags: Int,
    streamId: Int,
  ) {
    if (length != 4) throw IOException("TYPE_RST_STREAM length: $length != 4")
    if (streamId == 0) throw IOException("TYPE_RST_STREAM streamId == 0")
    val errorCodeInt = source.readInt()

   *
   * <p>If this network is directed, the endpoints must be ordered.
   *
   * @throws IllegalArgumentException if there are multiple parallel edges connecting {@code nodeU}
   *     to {@code nodeV}
   * @throws IllegalArgumentException if either endpoint is not an element of this network
   * @throws IllegalArgumentException if the endpoints are unordered and the network is directed
   * @since 27.1
   */