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")

    public boolean setCount(T element, int oldCount, int newCount) {
      return standardSetCount(element, oldCount, newCount);
    }

    @Override
    public int setCount(T element, int count) {
      return standardSetCount(element, count);
    }

    @Override
    public Set<T> elementSet() {
      return new StandardElementSet();
    }

    @Override
    public Iterator<T> iterator() {

    CountingRunnable listener = new CountingRunnable();
    future.addListener(listener, directExecutor());
    assertEquals(1, listener.count);
  }

  private static final class CountingRunnable implements Runnable {
    int count;

    @Override
    public void run() {
      count++;
    }
  }

  @AndroidIncompatible // Mocking ExecutorService is forbidden there. TODO(b/218700094): Don't mock.

                setValue(e, key, value, now);
                newCount = this.count; // count remains unchanged
              } else {
                setValue(e, key, value, now);
                newCount = this.count + 1;
              }
              this.count = newCount; // write-volatile
              evictEntries(e);
              return null;

  DescendingImmutableSortedMultiset(ImmutableSortedMultiset<E> forward) {
    this.forward = forward;
  }

  @Override
  public int count(@Nullable Object element) {
    return forward.count(element);
  }

  @Override
  public @Nullable Entry<E> firstEntry() {
    return forward.lastEntry();
  }

  @Override
  public @Nullable Entry<E> lastEntry() {

        // Then
        assertEquals(8, result);
        assertEquals(0xffffL, instance.getCount());
    }

    /**
     * Test of readParameterWordsWireFormat with zero count
     */
    @Test
    public void testReadParameterWordsWireFormatZeroCount() {
        // Given
        byte[] buffer = new byte[] { 0, 0, 0, 0, 0, 0, 0, 0 };

| Minimum number of servers                                       | 02            |
| Minimum number of drives per server when server count is 1      | 02            |
| Minimum number of drives per server when server count is 2 or 3 | 01            |
| Minimum number of drives per server when server count is 4      | 01            |
| Maximum number of drives per server                             | no-limit      |

	return keyStr + k.Extension + func() string {
		if k.Compress {
			return compressExt
		}
		return ""
	}()
}

func getItemCount(k string) (count int, err error) {
	count = 1
	v := strings.Split(k, ":")
	if len(v) == 2 {
		return strconv.Atoi(v[0])
	}
	return count, err
}

func parseKey(k string) (key Key) {
	key.Name = k
	if strings.HasSuffix(k, compressExt) {
		key.Compress = true

			updateInProgress: true,
			count:            v.count + 1,
			bucket:           bucket,
		}
	}
}

func (sys *BucketTargetSys) markRefreshDone(bucket, arn string) {
	sys.aMutex.Lock()
	defer sys.aMutex.Unlock()
	if v, ok := sys.arnErrsMap[arn]; ok {
		sys.arnErrsMap[arn] = arnErrs{
			updateInProgress: false,
			count:            v.count,
			bucket:           bucket,
		}
	}
}

	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) {
					return nil, errFileNotFound