defer direntNamePool.Put(nameTmp)
	tmp := *nameTmp

	boff := 0 // starting read position in buf
	nbuf := 0 // end valid data in buf

	count := opts.count

	for count != 0 {
		if boff >= nbuf {
			boff = 0
			stop := globalOSMetrics.time(osMetricReadDirent)
			nbuf, err = syscall.ReadDirent(fd, buf)
			stop()
			if err != nil {
				if isSysErrNotDir(err) {

   * support concurrent multisets whose content may change while the method is running.
   *
   * <p>The serialized output consists of the number of distinct elements, the first element, its
   * count, the second element, its count, and so on.
   */
  static <E extends @Nullable Object> void writeMultiset(
      Multiset<E> multiset, ObjectOutputStream stream) throws IOException {
    int entryCount = multiset.entrySet().size();

	ErrInvalidValueOfLength = errors.New("invalid association values, length doesn't match")
	// ErrPreloadNotAllowed preload is not allowed when count is used
	ErrPreloadNotAllowed = errors.New("preload is not allowed when count is used")
	// ErrDuplicatedKey occurs when there is a unique key constraint violation
	ErrDuplicatedKey = errors.New("duplicated key not allowed")

    return multiset;
  }

  private HashMultiset() {
    super(new HashMap<E, Count>());
  }

  private HashMultiset(int distinctElements) {
    super(Maps.<E, Count>newHashMapWithExpectedSize(distinctElements));
  }

  /**
   * @serialData the number of distinct elements, the first element, its count, the second element,
   *     its count, and so on
   */
  @GwtIncompatible // java.io.ObjectOutputStream
  @J2ktIncompatible

      Entry<E> entry = entriesArray[i];
      int count = entry.getCount();
      size += count;
      E element = checkNotNull(entry.getElement());
      delegateMap.put(element, count);
      if (!(entry instanceof Multisets.ImmutableEntry)) {
        entriesArray[i] = Multisets.immutableEntry(element, count);
      }
    }
    return new JdkBackedImmutableMultiset<>(

    throw new UnsupportedOperationException();
  }

  @CanIgnoreReturnValue
  @Override
  public int setCount(@ParametricNullness E element, int count) {
    return setCountImpl(this, element, count);
  }

  @CanIgnoreReturnValue
  @Override
  public boolean setCount(@ParametricNullness E element, int oldCount, int newCount) {
    return setCountImpl(this, element, oldCount, newCount);

}

func TestCountNearPageBoundary(t *testing.T) {
	t.Parallel()
	b := dangerousSlice(t)
	for i := range b {
		c := Count(b[i:], []byte{1})
		if c != 0 {
			t.Fatalf("Count(b[%d:], {1})=%d, want 0\n", i, c)
		}
		c = Count(b[:i], []byte{0})
		if c != i {
			t.Fatalf("Count(b[:%d], {0})=%d, want %d\n", i, c, i)
		}
	}

		"Drive health (0 = offline, 1 = healthy, 2 = healing)", allDriveLabels...)

	driveOfflineCountMD = NewGaugeMD(driveOfflineCount,
		"Count of offline drives")
	driveOnlineCountMD = NewGaugeMD(driveOnlineCount,
		"Count of online drives")
	driveCountMD = NewGaugeMD(driveCount,
		"Count of all drives")

	// iostat related
	driveReadsPerSecMD = NewGaugeMD(driveReadsPerSec,
		"Reads per second on a drive",

  }

  /** Returns the number of bytes written. */
  public long getCount() {
    return count;
  }

  @Override
  public void write(byte[] b, int off, int len) throws IOException {
    out.write(b, off, len);
    count += len;
  }

  @Override
  public void write(int b) throws IOException {
    out.write(b);
    count++;
  }

      int remaining = input.remaining();
      if (count + remaining > buf.length) {
        buf = Arrays.copyOf(buf, count + remaining);
      }
      input.get(buf, count, remaining);
      count += remaining;
    }

    byte[] byteArray() {
      return buf;
    }

    int length() {
      return count;
    }
  }