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 (nowMillis >= timeoutMillis) break

  }

  @Test fun test() {
    val t1 = System.nanoTime() / 1e6

    val delays = mutableListOf(TimeUnit.MILLISECONDS.toNanos(1000), -1L)
    queue.schedule("task", TimeUnit.MILLISECONDS.toNanos(750)) {
      log.put("runOnce delays.size=${delays.size}")
      return@schedule delays.removeAt(0)
    }

    assertThat(log.take()).isEqualTo("runOnce delays.size=2")
    val t2 = System.nanoTime() / 1e6 - t1

class LoggingEventListener private constructor(
  private val logger: HttpLoggingInterceptor.Logger,
) : EventListener() {
  private var startNs: Long = 0

  override fun callStart(call: Call) {
    startNs = System.nanoTime()

    logWithTime("callStart: ${call.request()}")
  }

  override fun dispatcherQueueStart(
    call: Call,
    dispatcher: Dispatcher,
  ) {

    Preconditions.checkNotNull(buffer);
    /*
     * This code performs one System.nanoTime() more than necessary, and in return, the time to
     * execute Queue#drainTo is not added *on top* of waiting for the timeout (which could make
     * the timeout arbitrarily inaccurate, given a queue that is slow to drain).
     */
    long deadline = System.nanoTime() + unit.toNanos(timeout);
    int added = 0;
    while (added < numElements) {

  if (loggingEnabled) {
    startNs = queue.taskRunner.backend.nanoTime()
    log(task, queue, "starting")
  }

  var completedNormally = false
  try {
    val result = block()
    completedNormally = true
    return result
  } finally {
    if (loggingEnabled) {
      val elapsedNs = queue.taskRunner.backend.nanoTime() - startNs
      if (completedNormally) {

    )
    val startNanos = System.nanoTime()
    val connection = server.url("/").toUrl().openConnection()
    connection.setDoOutput(true)
    connection.getOutputStream().write("ABCDEF".toByteArray(StandardCharsets.UTF_8))
    val inputStream = connection.getInputStream()
    assertThat(inputStream.read()).isEqualTo(-1)
    val elapsedNanos = System.nanoTime() - startNanos

        long setStartTime = System.nanoTime();
        for (int i = 0; i < 10000; i++) {
            queryFieldConfig.isSortField(testField);
        }
        long setDuration = System.nanoTime() - setStartTime;

        // For comparison, simulate array-based lookup
        long arrayStartTime = System.nanoTime();
        for (int i = 0; i < 10000; i++) {

      return new PrintingEventListener(callId, System.nanoTime());
    }
  };

  final long callId;
  final long callStartNanos;

  public PrintingEventListener(long callId, long callStartNanos) {
    this.callId = callId;
    this.callStartNanos = callStartNanos;
  }

  private void printEvent(String name) {
    long elapsedNanos = System.nanoTime() - callStartNanos;

) : EventListener(),
  EventListener.Factory {
  private var startNs: Long? = null

  override fun create(call: Call): EventListener = this

  override fun callStart(call: Call) {
    startNs = System.nanoTime()

    logWithTime("callStart: ${call.request()}")
  }

  override fun dispatcherQueueStart(
    call: Call,
    dispatcher: Dispatcher,
  ) {

    Preconditions.checkNotNull(buffer);
    /*
     * This code performs one System.nanoTime() more than necessary, and in return, the time to
     * execute Queue#drainTo is not added *on top* of waiting for the timeout (which could make
     * the timeout arbitrarily inaccurate, given a queue that is slow to drain).
     */
    long deadline = System.nanoTime() + unit.toNanos(timeout);
    int added = 0;
    while (added < numElements) {