0.587 connectionAcquired
0.588 requestHeadersStart
0.590 requestHeadersEnd
0.591 responseHeadersStart
0.675 responseHeadersEnd
0.676 responseBodyStart
0.679 responseBodyEnd
0.679 connectionReleased
0.680 callEnd
REQUEST 2 (pooled connection)
0.000 callStart
0.001 connectionAcquired
0.001 requestHeadersStart
0.001 requestHeadersEnd
0.002 responseHeadersStart
0.082 responseHeadersEnd
0.082 responseBodyStart
0.082 responseBodyEnd

      "ConnectStart", "ConnectEnd", "ConnectionAcquired", "RequestHeadersStart",
      "RequestHeadersEnd", "ResponseHeadersStart", "ResponseHeadersEnd", "ResponseBodyStart",
      "ResponseBodyEnd", "RequestHeadersStart", "RequestHeadersEnd", "ResponseHeadersStart",
      "ResponseHeadersEnd", "ResponseBodyStart", "ResponseBodyEnd", "ConnectionReleased",
      "CallEnd",
    )
  }

  @Test

        if ("100-continue".equals(request.header("Expect"), ignoreCase = true)) {
          exchange.flushRequest()
          responseBuilder = exchange.readResponseHeaders(expectContinue = true)
          exchange.responseHeadersStart()
          invokeStartEvent = false
        }
        if (responseBuilder == null) {
          if (requestBody.isDuplex()) {
            // Prepare a duplex body so that the application can send a request body later.

    call: Call,
    ioe: IOException,
  ) {
    logWithTime("requestFailed: $ioe")

    delegate.requestFailed(call, ioe)
  }

  override fun responseHeadersStart(call: Call) {
    logWithTime("responseHeadersStart")

    delegate.responseHeadersStart(call)
  }

  override fun responseHeadersEnd(
    call: Call,
    response: Response,
  ) {
    logWithTime("responseHeadersEnd: $response")

  }

  data class ResponseHeadersStart(
    override val timestampNs: Long,
    override val call: Call,
  ) : CallEvent()

  data class ResponseHeadersEnd(
    override val timestampNs: Long,
    override val call: Call,
    val headerLength: Long,
  ) : CallEvent() {
    override fun closes(event: CallEvent): Boolean = event is ResponseHeadersStart && call == event.call
  }

    }

    @Override public void requestFailed(Call call, IOException ioe) {
      printEvent("requestFailed");
    }

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

    @Override public void responseHeadersEnd(Call call, Response response) {
      printEvent("responseHeadersEnd");
    }

  override fun requestFailed(
    call: Call,
    ioe: IOException,
  ) = logEvent(RequestFailed(System.nanoTime(), call, ioe))

  override fun responseHeadersStart(call: Call) = logEvent(ResponseHeadersStart(System.nanoTime(), call))

  override fun responseHeadersEnd(
    call: Call,
    response: Response,
  ) = logEvent(ResponseHeadersEnd(System.nanoTime(), call, response.headers.byteCount()))

    try {
      codec.finishRequest()
    } catch (e: IOException) {
      eventListener.requestFailed(call, e)
      trackFailure(e)
      throw e
    }
  }

  fun responseHeadersStart() {
    eventListener.responseHeadersStart(call)
  }

  @Throws(IOException::class)
  fun readResponseHeaders(expectContinue: Boolean): Response.Builder? {
    try {
      val result = codec.readResponseHeaders(expectContinue)

  }

  override fun requestFailed(
    call: Call,
    ioe: IOException,
  ) {
    logWithTime("requestFailed: $ioe")
  }

  override fun responseHeadersStart(call: Call) {
    logWithTime("responseHeadersStart")
  }

  override fun responseHeadersEnd(
    call: Call,
    response: Response,
  ) {
    logWithTime("responseHeadersEnd: $response")
  }

    }

    @Override public void requestFailed(Call call, IOException ioe) {
      printEvent("requestFailed");
    }

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

    @Override public void responseHeadersEnd(Call call, Response response) {
      printEvent("responseHeadersEnd");
    }