z, ok := objAPI.(*erasureServerPools)
	if !ok {
		// Prefix usage is empty
		return map[string]uint64{}, nil
	}

	cache := dataUsageCache{}

	prefixUsageCache.InitOnce(30*time.Second,
		// No need to fail upon Update() error, fallback to old value.
		cachevalue.Opts{ReturnLastGood: true, NoWait: true},
		func(ctx context.Context) (map[string]uint64, error) {
			m := make(map[string]uint64)

        // Test multiple calls to readDataWireFormat to ensure buffer is overwritten
        byte[] firstData = "First data set".getBytes();
        byte[] secondData = "Second data set".getBytes();
        byte[] buffer1 = new byte[100];
        byte[] buffer2 = new byte[100];

        System.arraycopy(firstData, 0, buffer1, 0, firstData.length);

        FwAssistantDirector assistantDirector = createMockAssistantDirector();

        // First invocation
        curtainFinallyHook.hook(assistantDirector);

        // Second invocation - should also work without issues
        curtainFinallyHook.hook(assistantDirector);

        // Third invocation
        curtainFinallyHook.hook(assistantDirector);

        jobExecutor.addShutdownListener(listener1);
        assertEquals(listener1, jobExecutor.shutdownListener);

        // Replace with second listener
        jobExecutor.addShutdownListener(listener2);
        assertEquals(listener2, jobExecutor.shutdownListener);

        // Verify only second listener is called
        jobExecutor.shutdown();
        assertEquals(10, callCount.get());
    }

    public void test_shutdown() {

       * columns in the first row, the columns in the second row, etc. If a column Comparator is
       * provided but a row Comparator isn't, cellSet() iterates across the rows in the first
       * column, the rows in the second column, etc.
       */
      Comparator<Cell<R, C, V>> comparator =
          (Cell<R, C, V> cell1, Cell<R, C, V> cell2) -> {

        assertEquals(16L, response.getOffset(), "First read should set offset to 16");

        response.readParameterWordsWireFormat(buffer2, 0);
        assertEquals(32L, response.getOffset(), "Second read should update offset to 32");
    }

    @Test
    @DisplayName("getOffset returns same value on multiple calls")
    void testGetOffsetConsistency() {

  }

  @Override
  V checkValue(V value) {
    return checkNotNull(value);
  }

  /**
   * @serialData the key class, value class, number of entries, first key, first value, second key,
   *     second value, and so on.
   */
  @GwtIncompatible // java.io.ObjectOutputStream
  private void writeObject(ObjectOutputStream stream) throws IOException {
    stream.defaultWriteObject();

	"github.com/minio/selfupdate"
	gopsutilcpu "github.com/shirou/gopsutil/v3/cpu"
	"github.com/valyala/bytebufferpool"
)

const (
	envMinisignPubKey = "MINIO_UPDATE_MINISIGN_PUBKEY"
	updateTimeout     = 10 * time.Second
)

var (
	// Newer official download info URLs appear earlier below.
	minioReleaseInfoURL = MinioReleaseURL + "minio.sha256sum"

	// For windows our files have .exe additionally.

        printErrors(result);

        Iterator<Artifact> i = result.getArtifacts().iterator();
        assertEquals(n, i.next(), "n should be first");
        assertEquals(m, i.next(), "m should be second");

        // inverse order
        set = new LinkedHashSet<>();
        set.add(m);
        set.add(n);

        result = artifactResolver.resolveTransitively(

      require(minute in 0..59)
      require(second in 0..59)

      GregorianCalendar(UTC).apply {
        isLenient = false
        set(Calendar.YEAR, year)
        set(Calendar.MONTH, month - 1)
        set(Calendar.DAY_OF_MONTH, dayOfMonth)
        set(Calendar.HOUR_OF_DAY, hour)
        set(Calendar.MINUTE, minute)
        set(Calendar.SECOND, second)
        set(Calendar.MILLISECOND, 0)