.setCount("a", 1)
            .add("a")
            .build();
    assertEquals(HashMultiset.create(asList("a", "a", "b", "b", "b")), multiset);
  }

  public void testBuilderAddHandlesNullsCorrectly() {
    ImmutableSortedMultiset.Builder<String> builder = ImmutableSortedMultiset.naturalOrder();
    assertThrows(NullPointerException.class, () -> builder.add((String) null));
  }

        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() {
    ImmutableMultiset.Builder<String> builder = ImmutableMultiset.builder();
    assertThrows(NullPointerException.class, () -> builder.add((String) null));
  }

    Integer[] appendColorArray = addedColor.toArray(new Integer[addedColor.size()]);
    assertEquals(0x00BFFF, (int) appendColorArray[216]);
  }

  public void testBuilderAddHandlesNullsCorrectly() {
    ImmutableList.Builder<String> builder = ImmutableList.builder();
    assertThrows(NullPointerException.class, () -> builder.add((String) null));

    assertEquals(getComplexBuilderSetLastElement(), (int) appendColorArray[216]);
  }

  abstract int getComplexBuilderSetLastElement();

  public void testBuilderAddHandlesNullsCorrectly() {
    {
      ImmutableSet.Builder<String> builder = this.<String>builder();
      assertThrows(NullPointerException.class, () -> builder.add((String) null));
    }

    {

        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() {
    ImmutableMultiset.Builder<String> builder = ImmutableMultiset.builder();
    assertThrows(NullPointerException.class, () -> builder.add((String) null));
  }

            .setCount("a", 2)
            .setCount("b", 3)
            .build();
    assertEquals(HashMultiset.create(asList("a", "a", "b", "b", "b")), multiset);
  }

  public void testBuilderAddHandlesNullsCorrectly() {
    ImmutableSortedMultiset.Builder<String> builder = ImmutableSortedMultiset.naturalOrder();
    assertThrows(NullPointerException.class, () -> builder.add((String) null));
  }

    Integer[] appendColorArray = addedColor.toArray(new Integer[addedColor.size()]);
    assertEquals(0x00BFFF, (int) appendColorArray[216]);
  }

  public void testBuilderAddHandlesNullsCorrectly() {
    ImmutableList.Builder<String> builder = ImmutableList.builder();
    assertThrows(NullPointerException.class, () -> builder.add((String) null));