*
   * @return the count of {@code element} in the multiset before this call
   * @throws IllegalArgumentException if {@code count} is negative
   */
  @CanIgnoreReturnValue
  @Override
  public int setCount(E element, int count) {
    checkNotNull(element);
    checkNonnegative(count, "count");
    while (true) {
      AtomicInteger existingCounter = safeGet(countMap, element);
      if (existingCounter == null) {

    }

    frequency.add(-numberRemoved);
    size -= numberRemoved;
    return oldCount;
  }

  // Roughly a 33% performance improvement over AbstractMultiset.setCount().
  @CanIgnoreReturnValue
  @Override
  public int setCount(@ParametricNullness E element, int count) {
    checkNonnegative(count, "count");

    Count existingCounter;
    int oldCount;
    if (count == 0) {

   *     zero instead.
   */
  @CanIgnoreReturnValue
  int setCount(@ParametricNullness E element, int count);

  /**
   * Conditionally sets the count of an element to a new value, as described in {@link
   * #setCount(Object, int)}, provided that the element has the expected current count. If the
   * current count is not {@code oldCount}, no change is made.
   *

   *     zero instead.
   */
  @CanIgnoreReturnValue
  int setCount(@ParametricNullness E element, int count);

  /**
   * Conditionally sets the count of an element to a new value, as described in {@link
   * #setCount(Object, int)}, provided that the element has the expected current count. If the
   * current count is not {@code oldCount}, no change is made.
   *

    assertEquals(0, multiset.remove(entry.getElement(), entry.getCount()));
    assertFalse(multiset.remove(entry.getElement()));
    assertFalse(multiset.elementSet().remove(entry.getElement()));
  }

  void expectSetCountFailure(SortedMultiset<E> multiset, Entry<E> entry) {
    try {
      multiset.setCount(entry.getElement(), multiset.count(entry.getElement()));

			return nil
		}, index)
	}

	errs := g.Wait()

	// Initialize heal result info
	res = madmin.HealResultItem{
		Type:      madmin.HealItemBucket,
		Bucket:    bucket,
		DiskCount: len(localDrives),
		SetCount:  -1, // explicitly set an invalid value -1, for bucket heal scenario
	}

	// mutate only if not a dry-run
	if opts.DryRun {
		return res, nil
	}

	for i := range beforeState {

    assertEquals(0, multiset.remove(entry.getElement(), entry.getCount()));
    assertFalse(multiset.remove(entry.getElement()));
    assertFalse(multiset.elementSet().remove(entry.getElement()));
  }

  void expectSetCountFailure(SortedMultiset<E> multiset, Entry<E> entry) {
    try {
      multiset.setCount(entry.getElement(), multiset.count(entry.getElement()));

    }

    @SuppressWarnings("unchecked") // values only contains Vs
    @Override
    public int getCount() {
      updateLastKnownIndex();
      return (lastKnownIndex == -1) ? 0 : values[lastKnownIndex];
    }

    @SuppressWarnings("unchecked") // values only contains Vs
    @CanIgnoreReturnValue
    public int setCount(int count) {
      updateLastKnownIndex();
      if (lastKnownIndex == -1) {
        put(key, count);

     * We keep an array of elements and counts.  Periodically -- when we need more room in the
     * array, or when we're building, or the like -- we sort, deduplicate, and combine the counts.
     * Negative counts indicate a setCount operation with ~counts[i].
     */

    private final Comparator<? super E> comparator;

    @VisibleForTesting E[] elements;
    private int[] counts;

    /*

      }
    }

    @Override
    public int setCount(@ParametricNullness E element, int count) {
      synchronized (mutex) {
        return delegate().setCount(element, count);
      }
    }

    @Override
    public boolean setCount(@ParametricNullness E element, int oldCount, int newCount) {
      synchronized (mutex) {
        return delegate().setCount(element, oldCount, newCount);
      }
    }