this.scheduledDelegate = scheduledDelegate;
      }

      @Override
      public boolean cancel(boolean mayInterruptIfRunning) {
        boolean cancelled = super.cancel(mayInterruptIfRunning);
        if (cancelled) {
          // Unless it is cancelled, the delegate may continue being scheduled
          scheduledDelegate.cancel(mayInterruptIfRunning);

          /*

  }

  public void testToString_cancelled() throws Exception {
    assertThat(immediateCancelledFuture().toString()).matches("[^\\[]+\\[status=CANCELLED\\]");
  }

  public void testToString_failed() {
    assertThat(immediateFailedFuture(new RuntimeException("foo")).toString())

  }

  public void testToString_cancelled() throws Exception {
    assertThat(immediateCancelledFuture().toString()).matches("[^\\[]+\\[status=CANCELLED\\]");
  }

  public void testToString_failed() {
    assertThat(immediateFailedFuture(new RuntimeException("foo")).toString())

        }
        if (connectionMonitorTask != null) {
            connectionMonitorTask.cancel();
            if (logger.isDebugEnabled()) {
                logger.debug("Connection monitor task cancelled");
            }
        }
        if (httpClient != null) {
            try {
                httpClient.close();
                if (logger.isDebugEnabled()) {

          ConnectResult(this, nextPlan = connectTcpNextPlan, throwable = tcpConnectThrowable)
        }
        canceled -> {
          events += "plan $id TCP connect canceled"
          ConnectResult(this, nextPlan = connectTcpNextPlan, throwable = IOException("canceled"))
        }
        connectTcpNextPlan != null -> {
          events += "plan $id needs follow-up"

   */
  override fun cancel() {
    if (canceled) return // Already canceled.

    canceled = true
    exchange?.cancel()
    for (plan in plansToCancel) {
      plan.cancel()
    }

    eventListener.canceled(this)
  }

  override fun isCanceled(): Boolean = canceled

  override fun execute(): Response {

      val reader = ServerSentEventReader(body.source(), this)
      try {
        if (!canceled) {
          listener.onOpen(this, response)
          while (!canceled && reader.processNextEvent()) {
          }
        }
      } catch (e: Exception) {
        val exception =
          when {
            canceled -> IOException("canceled", e)
            else -> e
          }
        listener.onFailure(this, exception, response)

  override fun callFailed(
    call: Call,
    ioe: IOException,
  ) = onEvent(CallFailed(System.nanoTime(), call, ioe))

  override fun canceled(call: Call) = onEvent(Canceled(System.nanoTime(), call))

  override fun satisfactionFailure(
    call: Call,
    response: Response,
  ) = onEvent(SatisfactionFailure(System.nanoTime(), call))

    assertThat(events).startsWith("CallStart", "ConnectStart", "ConnectEnd", "ConnectionAcquired")
    if (cancelMode == CANCEL) {
      assertThat(events).contains("Canceled")
    } else {
      assertThat(events).doesNotContain("Canceled")
    }
    assertThat(events).contains("ResponseFailed")
    assertThat(events).contains("ConnectionReleased")

    val call2 = client.newCall(Request(server.url("/")))

  internal val connectionSpecIndex: Int,
  internal val isTlsFallback: Boolean,
) : RoutePlanner.Plan,
  ExchangeCodec.Carrier {
  /** True if this connect was canceled; typically because it lost a race. */
  @Volatile private var canceled = false

  // These properties are initialized by connect() and never reassigned.

  /** The low-level TCP socket. */
  private var rawSocket: JavaNetSocket? = null

  /**