fun emptyCache(parameters: Pair<FileSystem, Boolean>) {
    setUp(parameters.first, parameters.second)
    cache.close()
    assertJournalEquals()
  }

  @ParameterizedTest
  @ArgumentsSource(FileSystemParamProvider::class)
  fun recoverFromInitializationFailure(parameters: Pair<FileSystem, Boolean>) {
    setUp(parameters.first, parameters.second)
    // Add an uncommitted entry. This will get detected on initialization, and the cache will

     */
    public T2 getSecond() {
        return second;
    }

    /**
     * 2番目の値を設定します。
     *
     * @param second
     *            2番目の値
     */
    public void setSecond(final T2 second) {
        this.second = second;
    }

    @Override
    public String toString() {
        return "{" + first + ", " + second + "}";
    }

    @Override
    public int hashCode() {

      for (Thread hook : hooks) {
        hook.start();
      }
      for (Thread hook : hooks) {
        hook.join();
      }
    }
  }

  /* Half of a 1-second timeout in nanoseconds */
  private static final long HALF_SECOND_NANOS = NANOSECONDS.convert(1L, SECONDS) / 2;

  public void testShutdownAndAwaitTermination_immediateShutdown() throws Exception {

      """
      |data: first event
      |id: 1
      |
      |data: second event
      |id
      |
      |data: third event
      |
      |
      """.trimMargin(),
    )
    assertThat(callbacks.remove()).isEqualTo(Event("1", null, "first event"))
    assertThat(callbacks.remove()).isEqualTo(Event(null, null, "second event"))
    assertThat(callbacks.remove()).isEqualTo(Event(null, null, "third event"))
  }

		{0, "another_update_url", ""},
		{time.Hour, "", ""},
		{0 * time.Second, "my_download_url", "now"},
		{1 * time.Second, "my_download_url", "1 second before the latest release"},
		{37 * time.Second, "my_download_url", "37 seconds before the latest release"},
		{60 * time.Second, "my_download_url", "1 minute before the latest release"},
		{61 * time.Second, "my_download_url", "1 minute before the latest release"},

		// Testcase index 10

   * @since 18.0 (since 3.0 as {@code Objects.firstNonNull()}).
   */
  public static <T> T firstNonNull(@CheckForNull T first, @CheckForNull T second) {
    if (first != null) {
      return first;
    }
    if (second != null) {
      return second;
    }
    throw new NullPointerException("Both parameters are null");
  }

  /**
   * Creates an instance of {@link ToStringHelper}.
   *

		config.Producer.CompressionLevel = args.Producer.CompressionLevel
	}

	config.Net.ReadTimeout = (5 * time.Second)
	config.Net.DialTimeout = (5 * time.Second)
	config.Net.WriteTimeout = (5 * time.Second)
	config.Metadata.Retry.Max = 1
	config.Metadata.Retry.Backoff = (1 * time.Second)
	config.Metadata.RefreshFrequency = (15 * time.Minute)

	target.config = config

	brokers := []string{}
	for _, broker := range args.Brokers {

    if (grad_it == gradients.end()) {
      result[i] = nullptr;
    } else {
      if (grad_it->second.size() > 1) {
        Gradient* grad = vspace.AggregateGradients(grad_it->second);
        grad_it->second.clear();
        grad_it->second.push_back(grad);
      }
      result[i] = grad_it->second[0];
      used_gradient_ids.insert(tensor_id);
    }
  }
  VLOG(1) << "Final gradients size: "

				if wildcard.Match("tmp-old/*", u.object) {
					continue
				}
			}

			now := time.Now()
			if now.Sub(u.queued) < time.Second {
				// let recently failed networks to reconnect
				// making MRF wait for 1s before retrying,
				// i.e 4 reconnect attempts.
				time.Sleep(time.Second)
			}

			// wait on timer per heal
			wait := healSleeper.Timer(context.Background())

			scan := madmin.HealNormalScan

			// license update stopped for some reason.
			// sleep for some time and try again.
			duration := time.Duration(r.Float64() * float64(time.Hour))
			if duration < time.Second {
				// Make sure to sleep at least a second to avoid high CPU ticks.
				duration = time.Second
			}
			time.Sleep(duration)
		}
	}()
}

func licenceUpdaterLoop(ctx context.Context, objAPI ObjectLayer) {
	ctx, cancel := globalLeaderLock.GetLock(ctx)