*
   * No further calls to this listener will be made.
   */
  open fun onClosed(eventSource: EventSource) {
  }

  /**
   * Invoked when an event source has been closed due to an error reading from or writing to the
   * network. Incoming events may have been lost. No further calls to this listener will be made.
   */
  open fun onFailure(
    eventSource: EventSource,

    // In the process we made one successful connection attempt.
    assertThat(listener.recordedEventTypes().filter { it == "ConnectStart" }).hasSize(2)
    assertThat(listener.recordedEventTypes().filter { it == "ConnectFailed" }).hasSize(1)
    assertThat(listener.recordedEventTypes().filter { it == "ConnectEnd" }).hasSize(1)
  }

  @Test
  fun reachesIpv6WhenIpv4IsDown() {

  <!--                                                                  Servlet Listener -->
  <!--                                                                  ================ -->
  <listener>
    <listener-class>org.apache.commons.fileupload2.jakarta.servlet6.JakartaFileCleaner</listener-class>
  </listener>

  <!-- ================================================================================= -->

      this.connectionName =
        when {
          client -> "$okHttpName $peerName"
          else -> "MockWebServer $peerName"
        }
    }

    fun listener(listener: Listener) =
      apply {
        this.listener = listener
      }

    fun pushObserver(pushObserver: PushObserver) =
      apply {
        this.pushObserver = pushObserver
      }

      ReplaceWith(
        expression = "response.processEventSource(listener)",
        imports = ["okhttp3.sse.EventSource.Companion.processEventSource"],
      ),
    level = DeprecationLevel.WARNING,
  )
  @JvmStatic
  fun processResponse(
    response: Response,
    listener: EventSourceListener,
  ): Unit = response.processEventSource(listener)

            VersionRange newRange) {
        for (ResolutionListener listener : listeners) {
            switch (event) {
                case ResolutionListener.TEST_ARTIFACT:
                    listener.testArtifact(node.getArtifact());
                    break;
                case ResolutionListener.PROCESS_CHILDREN:
                    listener.startProcessChildren(node.getArtifact());
                    break;

    CountingRemovalListener<Object, Object> listener = countingRemovalListener();
    LoadingCache<Object, Object> nullCache =
        CacheBuilder.newBuilder().maximumSize(0).removalListener(listener).build(identityLoader());
    assertEquals(0, nullCache.size());
    Object key = new Object();
    assertSame(key, nullCache.getUnchecked(key));
    assertEquals(1, listener.getCount());
    assertEquals(0, nullCache.size());

    CountingRemovalListener<Object, Object> listener = countingRemovalListener();
    LoadingCache<Object, Object> nullCache =
        CacheBuilder.newBuilder().maximumSize(0).removalListener(listener).build(identityLoader());
    assertEquals(0, nullCache.size());
    Object key = new Object();
    assertSame(key, nullCache.getUnchecked(key));
    assertEquals(1, listener.getCount());
    assertEquals(0, nullCache.size());

  }

  @Override
  @SuppressWarnings("CatchingUnchecked") // sneaky checked exception
  public void addListener(Runnable listener, Executor executor) {
    checkNotNull(listener, "Runnable was null.");
    checkNotNull(executor, "Executor was null.");
    try {
      executor.execute(listener);
    } catch (Exception e) { // sneaky checked exception

        .build()
        .also {
          listener.satisfactionFailure(call, it)
        }
    }

    // If we don't need the network, we're done.
    if (networkRequest == null) {
      return cacheResponse!!
        .newBuilder()
        .cacheResponse(cacheResponse.stripBody())
        .build()
        .also {
          listener.cacheHit(call, it)
        }
    }