listener.onFailure(this, IOException("canceled"), response)
      } else {
        listener.onClosed(this)
      }
    }
  }

  private fun ResponseBody.isEventStream(): Boolean {
    val contentType = contentType() ?: return false
    return contentType.type == "text" && contentType.subtype == "event-stream"
  }

  override fun onFailure(
    call: Call,
    e: IOException,
  ) {

class LinkRendererTest extends XmlSpecification {
    final DslDocModel model = Mock()
    final GenerationListener listener = Mock()
    final LinkRenderer renderer = new LinkRenderer(document, model, "groovyVersion", "javaVersion")

    def rendersLinkToApiClass() {
        when:
        def link = renderer.link(type('org.gradle.SomeClass'), listener)

        then:
        format(link) == '<apilink class="org.gradle.SomeClass"/>'

    val response = call.execute()
    assertThat(response.code).isEqualTo(200)
    response.body.close()
    listener.removeUpToEvent(ConnectionEvent.ConnectEnd::class.java)
    listener.removeUpToEvent(ConnectionEvent.ConnectionReleased::class.java)
    listener.removeUpToEvent(ConnectionEvent.ConnectionAcquired::class.java)
    listener.removeUpToEvent(ConnectionEvent.ConnectionReleased::class.java)
  }

  @Test

  private static final ListenerCallQueue.Event<Listener> HEALTHY_EVENT =
      new ListenerCallQueue.Event<Listener>() {
        @Override
        public void call(Listener listener) {
          listener.healthy();
        }

        @Override
        public String toString() {
          return "healthy()";
        }
      };
  private static final ListenerCallQueue.Event<Listener> STOPPED_EVENT =

  private static final ListenerCallQueue.Event<Listener> HEALTHY_EVENT =
      new ListenerCallQueue.Event<Listener>() {
        @Override
        public void call(Listener listener) {
          listener.healthy();
        }

        @Override
        public String toString() {
          return "healthy()";
        }
      };
  private static final ListenerCallQueue.Event<Listener> STOPPED_EVENT =

   */
  public void addListener(L listener, Executor executor) {
    checkNotNull(listener, "listener");
    checkNotNull(executor, "executor");
    listeners.add(new PerListenerQueue<>(listener, executor));
  }

  /**
   * Enqueues an event to be run on currently known listeners.
   *
   * <p>The {@code toString} method of the Event itself will be used to describe the event in the
   * case of an error.

        TransferEvent transferSucceededEvent = event(session, resource, TransferEvent.EventType.SUCCEEDED);

        listener.transferInitiated(transferInitiatedEvent);
        listener.transferStarted(transferStartedEvent);
        listener.transferProgressed(transferProgressedEvent);
        listener.transferSucceeded(transferSucceededEvent);

        Thread.sleep(500); // to make sure queue is processed, cancellation applied

   * across calls to multiple listeners. Specifically, a given listener will have its callbacks
   * invoked in the same order as the underlying service enters those states. Additionally, at most
   * one of the listener's callbacks will execute at once. However, multiple listeners' callbacks
   * may execute concurrently, and listeners may execute in an order different from the one in which
   * they were registered.

  private static final ListenerCallQueue.Event<Listener> STARTING_EVENT =
      new ListenerCallQueue.Event<Listener>() {
        @Override
        public void call(Listener listener) {
          listener.starting();
        }

        @Override
        public String toString() {
          return "starting()";
        }
      };
  private static final ListenerCallQueue.Event<Listener> RUNNING_EVENT =

public class MethodDetailRenderer {
    private final GenerationListener listener;
    private final LinkRenderer linkRenderer;
    private final ElementWarningsRenderer warningsRenderer = new ElementWarningsRenderer();

    public MethodDetailRenderer(LinkRenderer linkRenderer, GenerationListener listener) {
        this.linkRenderer = linkRenderer;
        this.listener = listener;
    }