val timeoutMillis = TimeUnit.NANOSECONDS.toMillis(System.nanoTime()) + TIMEOUT_MILLIS
    while (true) {
      val i = responses.iterator()
      while (i.hasNext()) {
        val recordedResponse = i.next()
        if (recordedResponse.request.url.equals(url)) {
          i.remove()
          return recordedResponse
        }
      }
      val nowMillis = TimeUnit.NANOSECONDS.toMillis(System.nanoTime())

      if (requestCaching.maxAgeSeconds != -1) {
        freshMillis = minOf(freshMillis, SECONDS.toMillis(requestCaching.maxAgeSeconds.toLong()))
      }

      var minFreshMillis: Long = 0
      if (requestCaching.minFreshSeconds != -1) {
        minFreshMillis = SECONDS.toMillis(requestCaching.minFreshSeconds.toLong())
      }

      var maxStaleMillis: Long = 0

    val inputStream = connection.getInputStream()
    assertThat(inputStream.read()).isEqualTo(-1)
    val elapsedNanos = System.nanoTime() - startNanos
    val elapsedMillis = TimeUnit.NANOSECONDS.toMillis(elapsedNanos)
    assertThat(elapsedMillis).isBetween(500L, 1000L)
  }

  /**
   * Throttle the response body by sleeping 500ms after every 3 bytes. With a 6-byte response, this

  fun exhaustResponse() =
    apply {
      actions += { stream -> stream.responseBody.close() }
    }

  fun sleep(
    duration: Long,
    unit: TimeUnit,
  ) = apply {
    actions += { Thread.sleep(unit.toMillis(duration)) }
  }

  override fun handle(stream: Stream) {
    val task = serviceStreamTask(stream)
    results.add(task)
    task.run()
  }

      try {
        response = chain.proceed(request)
      } catch (e: Exception) {
        logger.log("<-- HTTP FAILED: $e")
        throw e
      }

      val tookMs = TimeUnit.NANOSECONDS.toMillis(System.nanoTime() - startNs)

      val responseBody = response.body!!
      val contentLength = responseBody.contentLength()
      val bodySize = if (contentLength != -1L) "$contentLength-byte" else "unknown-length"

    val inputStream = connection.getInputStream()
    assertThat(inputStream.read()).isEqualTo(-1)
    val elapsedNanos = System.nanoTime() - startNanos
    val elapsedMillis = TimeUnit.NANOSECONDS.toMillis(elapsedNanos)
    assertThat(elapsedMillis).isBetween(500L, 1000L)
  }

  /**
   * Throttle the response body by sleeping 500ms after every 3 bytes. With a 6-byte response, this

   *     positive values yield dates in the future.
   */
  private fun formatDate(
    delta: Long,
    timeUnit: TimeUnit,
  ): String? {
    return formatDate(Date(System.currentTimeMillis() + timeUnit.toMillis(delta)))
  }

  private fun formatDate(date: Date): String? {
    val rfc1123: DateFormat = SimpleDateFormat("EEE, dd MMM yyyy HH:mm:ss zzz", Locale.US)
    rfc1123.timeZone = TimeZone.getTimeZone("GMT")

    call: Call,
    cachedResponse: Response,
  ) {
    logWithTime("cacheConditionalHit: $cachedResponse")
  }

  private fun logWithTime(message: String) {
    val timeMs = TimeUnit.NANOSECONDS.toMillis(System.nanoTime() - startNs)
    logger.log("[$timeMs ms] $message")
  }

  open class Factory
    @JvmOverloads
    constructor(

     * The default value is 0 which imposes no timeout.
     */
    @SuppressLint("NewApi")
    @IgnoreJRERequirement
    fun callTimeout(duration: Duration) =
      apply {
        callTimeout(duration.toMillis(), MILLISECONDS)
      }

    /**
     * Sets the default timeout for complete calls. A value of 0 means no timeout, otherwise values
     * must be between 1 and [Integer.MAX_VALUE] when converted to milliseconds.

    val startNanos = System.nanoTime()
    while (webSocket.receivedPongCount() < 3) {
      Thread.sleep(50)
    }
    val elapsedUntilPong3 = System.nanoTime() - startNanos
    assertThat(TimeUnit.NANOSECONDS.toMillis(elapsedUntilPong3).toDouble())
      .isCloseTo(1500.0, 250.0)

    // The client pinged the server 3 times, and it has ponged back 3 times.
    assertThat(webSocket.sentPingCount()).isEqualTo(3)