mg := &MetricsGroupV2{
		cacheInterval:    10 * time.Second,
		metricsGroupOpts: opts,
	}
	mg.RegisterRead(func(_ context.Context) (metrics []MetricV2) {
		lastSyncTime := atomic.LoadUint64(&globalIAMSys.LastRefreshTimeUnixNano)
		var sinceLastSyncMillis uint64
		if lastSyncTime != 0 {
			sinceLastSyncMillis = (uint64(time.Now().UnixNano()) - lastSyncTime) / uint64(time.Millisecond)
		}

            // Exponential backoff: gradually increase sleep time up to 500ms
            if (count % 10 == 0 && sleepTime < 500) {
                sleepTime = Math.min((long) (sleepTime * 1.3), 500);
            }
        }
        if (3000 <= count) {
            logger.info("Time out: Crawler takes too much time");
            //TODO fail(); // Time Out
        }

        logger.info("Crawler terminated");
    }

    }

    @Test
    void testTimeReadWrite() {
        byte[] buffer = new byte[8];
        long time = System.currentTimeMillis();
        ServerMessageBlock.writeTime(time, buffer, 0);
        long readTime = ServerMessageBlock.readTime(buffer, 0);
        // Precision may be lost, so check within a second
        assertTrue(Math.abs(time - readTime) < 1000);
    }

    @Test
    void testTimeReadWriteZero() {

}

func (writer *messageWriter) start() {
	keepAliveTicker := time.NewTicker(1 * time.Second)
	var progressTicker *time.Ticker
	var progressTickerC <-chan time.Time
	if writer.getProgressFunc != nil {
		progressTicker = time.NewTicker(1 * time.Minute)
		progressTickerC = progressTicker.C
	}
	recordStagingTicker := time.NewTicker(500 * time.Millisecond)

	// Exit conditions:
	//

		if err != nil {
			return nil, err
		}
		stop := fgprof.Start(f, fgprof.FormatPprof)
		startedAt := time.Now()
		prof.stopFn = func() ([]byte, error) {
			if elapsed := time.Since(startedAt); elapsed < 100*time.Millisecond {
				// Light hack around https://github.com/felixge/fgprof/pull/34
				time.Sleep(100*time.Millisecond - elapsed)
			}
			err := stop()
			if err != nil {
				return nil, err
			}

package http

import (
	"context"
	"net"
	"time"
)

// CheckPortAvailability - check if given host and port is already in use.
// Note: The check method tries to listen on given port and closes it.
// It is possible to have a disconnected client in this tiny window of time.
func CheckPortAvailability(host, port string, opts TCPOptions) (err error) {
	lc := &net.ListenConfig{}

    * Python 的 `datetime.date`。
    * 在請求與回應中會以 ISO 8601 格式的 `str` 表示，例如：`2008-09-15`。
* `datetime.time`：
    * Python 的 `datetime.time`。
    * 在請求與回應中會以 ISO 8601 格式的 `str` 表示，例如：`14:23:55.003`。
* `datetime.timedelta`：
    * Python 的 `datetime.timedelta`。
    * 在請求與回應中會以總秒數的 `float` 表示。
    * Pydantic 也允許用「ISO 8601 time diff encoding」來表示，[詳情見文件](https://docs.pydantic.dev/latest/concepts/serialization/#custom-serializers)。
* `frozenset`：

    }
  }

  /**
   * Returns a supplier that caches the instance supplied by the delegate and removes the cached
   * value after the specified time has passed. Subsequent calls to {@code get()} return the cached
   * value if the expiration time has not passed. After the expiration time, a new value is
   * retrieved, cached, and returned. See: <a
   * href="http://en.wikipedia.org/wiki/Memoization">memoization</a>
   *

        }
    }

    /**
     * Time of day information structure containing server time details.
     */
    public static class TimeOfDayInfo extends NdrObject {

        /**
         * Default constructor for TimeOfDayInfo.
         */
        public TimeOfDayInfo() {
        }

        /**
         * The time elapsed since 00:00:00, January 1, 1970 GMT.
         */

					o.objectPath(0), "", ReadOptions{})
				if err != nil {
					time.Sleep(retryDelay250)
					retries++
					continue
				}
				break
			}
		}
		retryWait := func() {
			retries++
			if retries == 1 {
				time.Sleep(retryDelay)
			} else {
				time.Sleep(retryDelay250)
			}
		}
		// Load first part metadata...