var saverWg sync.WaitGroup
	saverWg.Add(1)
	go func() {
		// Add jitter to the update time so multiple sets don't sync up.
		updateTime := 30*time.Second + time.Duration(float64(10*time.Second)*rand.Float64())
		t := time.NewTicker(updateTime)
		defer t.Stop()
		defer saverWg.Done()
		var lastSave time.Time

		for {
			select {
			case <-t.C:
				if cache.Info.LastUpdate.Equal(lastSave) {

          return null;
        });

    assertEquals(incrementByNanos * numberOfThreads, ticker.read());
  }

  /** Runs {@code callable} concurrently {@code numberOfThreads} times. */
  @GwtIncompatible // concurrency
  private void runConcurrentTest(int numberOfThreads, Callable<@Nullable Void> callable)
      throws Exception {
    ExecutorService executorService = newFixedThreadPool(numberOfThreads);

	}

	if parentUser == "" {
		return auth.Credentials{}, time.Time{}, errInvalidArgument
	}

	if len(opts.accessKey) > 0 && len(opts.secretKey) == 0 {
		return auth.Credentials{}, time.Time{}, auth.ErrNoSecretKeyWithAccessKey
	}
	if len(opts.secretKey) > 0 && len(opts.accessKey) == 0 {
		return auth.Credentials{}, time.Time{}, auth.ErrNoAccessKeyWithSecretKey
	}

}

type latencyStat struct {
	lastmin lastMinuteLatency
	curr    time.Duration
	avg     time.Duration
	peak    time.Duration
	N       int64
}

func (l *latencyStat) update(d time.Duration) {
	l.lastmin.add(d)
	l.N++
	if d > l.peak {
		l.peak = d
	}
	l.curr = l.lastmin.getTotal().avg()
	l.avg = time.Duration((int64(l.avg)*(l.N-1) + int64(l.curr)) / l.N)
}

   * this saves both time and space versus traversing the same graph using {@code forGraph()}.
   *
   * <p>Providing a graph to be traversed for which there is more than one path from the start
   * node(s) to any node may lead to:
   *
   * <ul>
   *   <li>Traversal not terminating (if the graph has cycles)
   *   <li>Nodes being visited multiple times (if multiple paths exist from any start node to any

import java.util.function.Consumer;

import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
import org.codelibs.core.lang.StringUtil;
import org.codelibs.core.timer.TimeoutManager;
import org.codelibs.core.timer.TimeoutTask;
import org.codelibs.curl.CurlResponse;
import org.codelibs.fess.mylasta.direction.FessConfig;
import org.codelibs.fess.util.ComponentUtil;

   * scheduled. If the task is already in the queue, the earliest execution time is used.
   *
   * The target execution time is implemented on a best-effort basis. If another task in this queue
   * is running when that time is reached, that task is allowed to complete before this task is
   * started. Similarly the task will be delayed if the host lacks compute resources.
   *

        decoded.decode(buffer, 0, 36); // decode reads 36 bytes

        // Note: When encoding time 0, SMBUtil.writeTime writes 0 directly,
        // but SMBUtil.readTime interprets 0 as Jan 1, 1601 in Unix time (-11644473600000)
        // This is the expected behavior for Windows FILETIME
        long expectedTime = -11644473600000L; // Jan 1, 1601 in Unix time
        assertEquals(expectedTime, decoded.getCreateTime());

   */
  private static TestCase generateGuardWithWrongMonitorTestCase(
      Method method, boolean fair1, boolean fair2) {
    boolean timed = isTimed(method); // Not going to bother with all timeouts, just 0ms.
    return new TestCase(method.getName() + (timed ? "(0ms)" : "()") + "/WrongMonitor->IMSE") {
      @Override
      protected void runTest() throws Throwable {
        Monitor monitor1 = new Monitor(fair1);

	statsTime           time.Time
	rttMsSum, maxRttMs  float64
	successRequestCount int64
	failedRequestCount  int64
}

type metrics struct {
	sync.Mutex
	LastCheckSuccess time.Time
	LastCheckFailure time.Time
	lastFullMinute   serviceRTTMinuteStats
	currentMinute    serviceRTTMinuteStats
}

func (h *metrics) setConnSuccess(reqStartTime time.Time) {
	h.Lock()
	defer h.Unlock()