}

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

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

  /**

            .build();
    assertEquals(HashMultiset.create(asList("b", "b", "b")), multiset);
  }

  public void testBuilderSetCountThenAdd() {
    ImmutableSortedMultiset<String> multiset =
        ImmutableSortedMultiset.<String>naturalOrder()
            .add("a")
            .setCount("a", 2)
            .setCount("b", 3)
            .setCount("a", 1)
            .add("a")
            .build();

    @Override
    public int hashCode() {
      return standardHashCode();
    }

    @Override
    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() {

    }
    int[] result = new int[1]; // used as a mutable int reference to hold result
    AvlNode<E> newRoot = root.setCount(comparator(), element, count, result);
    rootReference.checkAndSet(root, newRoot);
    return result[0];
  }

  @CanIgnoreReturnValue
  @Override
  public boolean setCount(@ParametricNullness E element, int oldCount, int newCount) {
    checkNonnegative(newCount, "newCount");

     * @throws NullPointerException if {@code element} is null
     * @throws IllegalArgumentException if {@code count} is negative
     */
    @CanIgnoreReturnValue
    public Builder<E> setCount(E element, int count) {
      contents.setCount(checkNotNull(element), count);
      return this;
    }

    /**
     * Adds each element of {@code elements} to the {@code ImmutableMultiset}.
     *

  }

  public void testBuilderSetCount() {
    ImmutableSortedMultiset<String> multiset =
        ImmutableSortedMultiset.<String>naturalOrder()
            .add("a")
            .setCount("a", 2)
            .setCount("b", 3)
            .build();
    assertEquals(HashMultiset.create(asList("a", "a", "b", "b", "b")), multiset);
  }

  public void testBuilderAddHandlesNullsCorrectly() {

    @Override
    public void clear() {
      throw new UnsupportedOperationException();
    }

    @Override
    public int setCount(@ParametricNullness E element, int count) {
      throw new UnsupportedOperationException();
    }

    @Override
    public boolean setCount(@ParametricNullness E element, int oldCount, int newCount) {
      throw new UnsupportedOperationException();
    }

              int oldValue = multiset.setCount(key, newValue);
              deltas[keyIndex] += (newValue - oldValue);
              break;
            }
          case SET_COUNT_IF:
            {
              int newValue = random.nextInt(3);
              int oldValue = multiset.count(key);
              if (multiset.setCount(key, oldValue, newValue)) {

  }

  public void testBuilderSetCount() {
    ImmutableMultiset<String> multiset =
        new ImmutableMultiset.Builder<String>().add("a").setCount("a", 2).setCount("b", 3).build();
    assertEquals(HashMultiset.create(asList("a", "a", "b", "b", "b")), multiset);
  }

  public void testBuilderAddHandlesNullsCorrectly() {

    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);
  }