*/
  @CanIgnoreReturnValue
  @J2ktIncompatible
  @GwtIncompatible // java.time.Duration
  @ParametricNullness
  @IgnoreJRERequirement // Users will use this only if they're already using Duration.
  public static <V extends @Nullable Object> V getUninterruptibly(
      Future<V> future, Duration timeout) throws ExecutionException, TimeoutException {

      Supplier<T> delegate, Duration duration) {
    checkNotNull(delegate);
    // The alternative of `duration.compareTo(Duration.ZERO) > 0` causes J2ObjC trouble.
    checkArgument(
        !duration.isNegative() && !duration.isZero(), "duration (%s) must be > 0", duration);
    return new ExpiringMemoizingSupplier<>(delegate, toNanosSaturated(duration));
  }

  @VisibleForTesting

      Supplier<T> delegate, Duration duration) {
    checkNotNull(delegate);
    // The alternative of `duration.compareTo(Duration.ZERO) > 0` causes J2ObjC trouble.
    checkArgument(
        !duration.isNegative() && !duration.isZero(), "duration (%s) must be > 0", duration);
    return new ExpiringMemoizingSupplier<>(delegate, toNanosSaturated(duration));
  }

  @VisibleForTesting

internal fun checkDuration(
  name: String,
  duration: Long,
  unit: TimeUnit,
): Int {
  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 {

        val durations: List<Map<String, Any>> = objectMapper.readValue(performanceTestDurationsJson)
        val pairs =
            durations.flatMap { scenarioDurations ->
                val scenario = Scenario.fromTestId(scenarioDurations["scenario"] as String)
                (scenarioDurations["durations"] as List<Map<String, Any>>).flatMap { duration ->

	requestsPool           chan struct{}
	clusterDeadline        time.Duration
	listQuorum             string
	corsAllowOrigins       []string
	replicationPriority    string
	replicationMaxWorkers  int
	replicationMaxLWorkers int
	transitionWorkers      int

	staleUploadsExpiry          time.Duration
	staleUploadsCleanupInterval time.Duration
	deleteCleanupInterval       time.Duration
	enableODirect               bool

    assertThrows(IllegalStateException.class, () -> builder2.weakValues());
  }

  @GwtIncompatible // Duration
  @IgnoreJRERequirement // No more dangerous than wherever the caller got the Duration from
  public void testLargeDurationsAreOk() {
    Duration threeHundredYears = Duration.ofDays(365 * 300);
    CacheBuilder<Object, Object> unused =
        CacheBuilder.newBuilder()

     * @param maxGlobalAttemptsPerMinute max global attempts per minute
     * @param lockoutDuration duration to lock out account/IP
     * @param cleanupInterval interval for cleaning up old entries
     */
    public AuthenticationRateLimiter(int maxAttemptsPerAccount, int maxAttemptsPerIp, int maxGlobalAttemptsPerMinute,
            Duration lockoutDuration, Duration cleanupInterval) {
        this.maxAttemptsPerAccount = maxAttemptsPerAccount;

    assertThrows(IllegalStateException.class, () -> builder2.softValues());
    assertThrows(IllegalStateException.class, () -> builder2.weakValues());
  }

  @GwtIncompatible // Duration
  public void testLargeDurationsAreOk() {
    Duration threeHundredYears = Duration.ofDays(365 * 300);
    CacheBuilder<Object, Object> unused =
        CacheBuilder.newBuilder()
            .expireAfterWrite(threeHundredYears)

		errStr = "network disconnection issues detected"
	}

	globalNetPerfRX.Reset()
	return madmin.NetperfNodeResult{Endpoint: "", TX: r.n / uint64(duration.Seconds()), RX: uint64(rx / delta.Seconds()), Error: errStr}
}

func siteNetperf(ctx context.Context, duration time.Duration) madmin.SiteNetPerfNodeResult {
	r := &netperfReader{eof: make(chan struct{})}
	r.buf = make([]byte, 128*humanize.KiByte)
	rand.Read(r.buf)