.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();

    }
    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");

  }

  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() {

  }

  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() {

    when(backingMap.remove(KEY, current)).thenReturn(true);

    assertEquals(countToRemove, multiset.setCount(KEY, 0));
    assertEquals(0, current.get());
  }

  public void testSetCount_0_nonePresent() {
    when(backingMap.get(KEY)).thenReturn(null);

    assertEquals(0, multiset.setCount(KEY, 0));
  }

  public void testSerialCycle() {

  }

  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() {

     * Even if empty string, treated as empty plainly. So "IF pmb != null" is false if empty.
     * @param count The parameter value of count. (NotNull)
     */
    public void setCount(String count) {
        registerVariable("count", count);
    }

    /**
     * Set the value of interval, used in parameter comment. <br>

                        postcard.dryrun();
                    }
                    postcard.setHostname(systemHelper.getHostname());
                    postcard.setLevel(level);
                    postcard.setCount(String.valueOf(levelEvents.size()));
                    postcard.setInterval(String.valueOf(fessConfig.getLogNotificationIntervalAsInteger()));
                    postcard.setDetails(details);
                });