/** The key of the configuration. e.g. false */
    String FRAMEWORK_DEBUG = "framework.debug";

    /** The key of the configuration. e.g. 0 */
    String TIME_ADJUST_TIME_MILLIS = "time.adjust.time.millis";

    /** The key of the configuration. e.g. true */
    String MAIL_SEND_MOCK = "mail.send.mock";

    /** The key of the configuration. e.g. localhost:25 */

    private static final String DELAYED_UNASSIGNED_SHARDS = "delayed_unassigned_shards";
    private static final String TASK_MAX_WAIT_TIME_IN_QUEUE_IN_MILLIS = "task_max_waiting_in_queue_millis";
    private static final String ACTIVE_SHARDS_PERCENT_AS_NUMBER = "active_shards_percent_as_number";
    private static final String ACTIVE_PRIMARY_SHARDS = "active_primary_shards";

    public static void sleep(final long millis) {
        if (millis < 1L) {
            return;
        }
        try {
            Thread.sleep(millis);
        } catch (final InterruptedException e) {
            throw new InterruptedRuntimeException(e);
        }
    }

    public static void sleepQuietly(final long millis) {
        if (millis < 1L) {
            return;
        }
        try {

   */
  static void delay(long millis) throws InterruptedException {
    long startTime = System.nanoTime();
    long ns = millis * 1000 * 1000;
    for (; ; ) {
      if (millis > 0L) Thread.sleep(millis);
      else // too short to sleep
      Thread.yield();
      long d = ns - (System.nanoTime() - startTime);
      if (d > 0L) millis = d / (1000 * 1000);
      else break;
    }
  }

        .build()
    clientCert =
      HeldCertificate.Builder()
        .signedBy(clientIntermediateCa)
        .serialNumber(4L)
        .commonName("Jethro Willis")
        .addSubjectAlternativeName("jethrowillis.com")
        .build()
  }

  @Test
  fun clientAuthForWants() {
    val client = buildClient(clientCert, clientIntermediateCa.certificate)

        }
        val sendRequestMillisString = responseHeadersBuilder[SENT_MILLIS]
        val receivedResponseMillisString = responseHeadersBuilder[RECEIVED_MILLIS]
        responseHeadersBuilder.removeAll(SENT_MILLIS)
        responseHeadersBuilder.removeAll(RECEIVED_MILLIS)
        sentRequestMillis = sendRequestMillisString?.toLong() ?: 0L

  check(duration >= 0L) { "$name < 0" }
  val millis = unit.toMillis(duration)
  require(millis <= Integer.MAX_VALUE) { "$name too large" }
  require(millis != 0L || duration <= 0L) { "$name too small" }
  return millis.toInt()
}

internal fun checkDuration(
  name: String,
  duration: Duration,
): Int {
  check(!duration.isNegative()) { "$name < 0" }
  val millis = duration.inWholeMilliseconds

   * enqueued before the timeout.
   */
  @Synchronized
  fun await(url: HttpUrl): RecordedResponse {
    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()

     * reuse, this timeout should be significantly less than the time it takes to establish a new
     * connection.
     */
    const val DISCARD_STREAM_TIMEOUT_MILLIS = 100
  }

   */
  static void delay(long millis) throws InterruptedException {
    long startTime = System.nanoTime();
    long ns = millis * 1000 * 1000;
    for (; ; ) {
      if (millis > 0L) Thread.sleep(millis);
      else // too short to sleep
      Thread.yield();
      long d = ns - (System.nanoTime() - startTime);
      if (d > 0L) millis = d / (1000 * 1000);
      else break;
    }
  }