?, ? extends OneSizeTestContainerGenerator<SetMultimap<K, V>, Entry<K, V>>>
          parentBuilder) {
    return SetTestSuiteBuilder.using(
            new MultimapGetGenerator<K, V>(parentBuilder.getSubjectGenerator()))
        .withFeatures(computeMultimapGetFeatures(parentBuilder.getFeatures()))
        .named(parentBuilder.getName() + ".get[key]")
        .suppressing(parentBuilder.getSuppressedTests())
        .createTestSuite();

  @CollectionFeature.Require(ALLOWS_NULL_VALUES)
  @CollectionSize.Require(absent = ZERO)
  public void testCreateWithNull_supported() {
    E[] array = createArrayWithNullElement();
    collection = getSubjectGenerator().create(array);
    expectContents(array);
  }

  @CollectionFeature.Require(absent = ALLOWS_NULL_VALUES)
  @CollectionSize.Require(absent = ZERO)
  public void testCreateWithNull_unsupported() {

    // TODO(cpovirk): consider using this approach (derived suites instead of extension) in
    // ListTestSuiteBuilder, etc.?
    derived.add(
        MapTestSuiteBuilder.using(new MapGenerator<K, V>(parentBuilder.getSubjectGenerator()))
            .withFeatures(parentBuilder.getFeatures())
            .named(parentBuilder.getName() + " [Map]")
            .suppressing(parentBuilder.getSuppressedTests())

  @Override
  public void setUp() throws Exception {
    super.setUp();
    sortedSet = (SortedSet<E>) getSet();
    values =
        copyToList(
            getSubjectGenerator()
                .getSampleElements(getSubjectGenerator().getCollectionSize().getNumElements()));
    sort(values, sortedSet.comparator());

    // some tests assume SEVERAL == 3
    if (values.size() >= 1) {
      a = values.get(0);

    if (parentBuilder.getFeatures().contains(CollectionFeature.SERIALIZABLE)) {
      derivedSuites.add(
          MapTestSuiteBuilder.using(
                  new ReserializedMapGenerator<K, V>(parentBuilder.getSubjectGenerator()))
              .withFeatures(computeReserializedMapFeatures(parentBuilder.getFeatures()))
              .named(parentBuilder.getName() + " reserialized")
              .suppressing(parentBuilder.getSuppressedTests())

          parentBuilder) {
    return SortedSetTestSuiteBuilder.using(
            new SetMultimapTestSuiteBuilder.MultimapGetGenerator<K, V>(
                parentBuilder.getSubjectGenerator()))
        .withFeatures(computeMultimapGetFeatures(parentBuilder.getFeatures()))
        .named(parentBuilder.getName() + ".get[key]")
        .suppressing(parentBuilder.getSuppressedTests())
        .createTestSuite();

  @Override
  public void setUp() throws Exception {
    super.setUp();
    navigableSet = (NavigableSet<E>) getSet();
    values =
        copyToList(
            getSubjectGenerator()
                .getSampleElements(getSubjectGenerator().getCollectionSize().getNumElements()));
    sort(values, navigableSet.comparator());

    // some tests assume SEVERAL == 3
    if (values.size() >= 1) {
      a = values.get(0);

    if (!parentBuilder.getFeatures().contains(NoRecurse.NO_ENTRY_SET)) {
      derivedSuites.add(
          SetTestSuiteBuilder.using(new EntrySetGenerator<E>(parentBuilder.getSubjectGenerator()))
              .named(getName() + ".entrySet")
              .withFeatures(computeEntrySetFeatures(parentBuilder.getFeatures()))
              .suppressing(parentBuilder.getSuppressedTests())

  }

  @CollectionSize.Require(absent = CollectionSize.ZERO)
  public void testEquals_otherSetWithDifferentElements() {
    Collection<E> elements = getSampleElements(getNumElements() - 1);
    elements.add(getSubjectGenerator().samples().e3());

    assertFalse(
        "A Set should not equal another Set containing different elements.",
        getSet().equals(MinimalSet.from(elements)));
  }

  }

  @CollectionSize.Require(absent = CollectionSize.ZERO)
  public void testEquals_otherSetWithDifferentElements() {
    Collection<E> elements = getSampleElements(getNumElements() - 1);
    elements.add(getSubjectGenerator().samples().e3());

    assertFalse(
        "A Set should not equal another Set containing different elements.",
        getSet().equals(MinimalSet.from(elements)));
  }