}

  @Override public void callStart(Call call) {
    printEvent("callStart");
  }

  @Override public void callEnd(Call call) {
    printEvent("callEnd");
  }

  @Override public void dnsStart(Call call, String domainName) {
    printEvent("dnsStart");
  }

  @Override public void dnsEnd(Call call, String domainName, List<InetAddress> inetAddressList) {
    printEvent("dnsEnd");

) : EventSource,
  ServerSentEventReader.Callback,
  Callback {
  constructor(call: Call, listener: EventSourceListener) : this(call, call.request(), listener)

  constructor(response: Response, listener: EventSourceListener) : this(null, response.request, listener)

  @Volatile private var canceled = false

  override fun onResponse(
    call: Call,
    response: Response,
  ) {
    processResponse(response)
  }

      if (e != null) {
        eventListener.requestFailed(call, e)
      } else {
        eventListener.requestBodyEnd(call, bytesRead)
      }
    }
    if (responseDone) {
      if (e != null) {
        eventListener.responseFailed(call, e)
      } else {
        eventListener.responseBodyEnd(call, bytesRead)
      }
    }
    return call.messageDone(
      exchange = this,

   *
   * This can be invoked more than 1 time for a single [Call]. For example, if the response
   * to the [Call.request] is a redirect to a different address.
   */
  open fun connectionAcquired(
    call: Call,
    connection: Connection,
  ) {
  }

  /**
   * Invoked after a connection has been released for the `call`.
   *

 */
internal abstract class ConnectionListener {
  /**
   * Invoked as soon as a call causes a connection to be started.
   */
  open fun connectStart(
    route: Route,
    call: Call,
  ) {}

  /**
   * Invoked when a connection fails to be established.
   */
  open fun connectFailed(
    route: Route,
    call: Call,
    failure: IOException,
  ) {}

  /**

        .build();

    final long startNanos = System.nanoTime();
    final Call call = client.newCall(request);

    // Schedule a job to cancel the call in 1 second.
    executor.schedule(() -> {
      System.out.printf("%.2f Canceling call.%n", (System.nanoTime() - startNanos) / 1e9f);
      call.cancel();
      System.out.printf("%.2f Canceled call.%n", (System.nanoTime() - startNanos) / 1e9f);
    }, 1, TimeUnit.SECONDS);

  ) : CallEvent()

  data class SecureConnectEnd(
    override val timestampNs: Long,
    override val call: Call,
    val handshake: Handshake?,
  ) : CallEvent() {
    override fun closes(event: CallEvent): Boolean = event is SecureConnectStart && call == event.call
  }

  data class ConnectionAcquired(
    override val timestampNs: Long,
    override val call: Call,
    val connection: Connection,

    }

    @Override public void callStart(Call call) {
      printEvent("callStart");
    }

    @Override public void proxySelectStart(Call call, HttpUrl url) {
      printEvent("proxySelectStart");
    }

    @Override public void proxySelectEnd(Call call, HttpUrl url, List<Proxy> proxies) {
      printEvent("proxySelectEnd");
    }

    @Override public void dnsStart(Call call, String domainName) {

        .build(),
    )
    val call =
      client.newCall(
        Request
          .Builder()
          .url(server.url("/"))
          .build(),
      )
    call.enqueue(
      object : Callback {
        override fun onFailure(
          call: Call,
          e: IOException,
        ) {
        }

        override fun onResponse(
          call: Call,
          response: Response,

        .url(server.url("/"))
        .post(AsyncRequestBody())
        .build()
    val call = client.newCall(request)
    call.timeout().timeout(250, TimeUnit.MILLISECONDS)
    assertFailsWith<IOException> {
      call.execute()
    }.also { expected ->
      assertThat(expected.message).isEqualTo("timeout")
      assertTrue(call.isCanceled())
    }
  }

  @Test
  fun fullCallTimeoutDoesNotApplyOnceConnected() {