@Override
  public Collection<E> getSampleElements(int howMany) {
    SampleElements<E> samples = samples();
    List<E> allSampleElements =
        asList(samples.e0(), samples.e1(), samples.e2(), samples.e3(), samples.e4());
    return new ArrayList<>(allSampleElements.subList(0, howMany));
  }

  @Override
  public CollectionSize getCollectionSize() {
    return collectionSize;
  }

  @Override

  @Override
  public Collection<E> getSampleElements(int howMany) {
    SampleElements<E> samples = samples();
    List<E> allSampleElements =
        asList(samples.e0(), samples.e1(), samples.e2(), samples.e3(), samples.e4());
    return new ArrayList<>(allSampleElements.subList(0, howMany));
  }

  @Override
  public CollectionSize getCollectionSize() {
    return collectionSize;
  }

  @Override

  public static ImmutableIntArray of(int e0, int e1, int e2, int e3, int e4) {
    return new ImmutableIntArray(new int[] {e0, e1, e2, e3, e4});
  }

  /** Returns an immutable array containing the given values, in order. */
  public static ImmutableIntArray of(int e0, int e1, int e2, int e3, int e4, int e5) {
    return new ImmutableIntArray(new int[] {e0, e1, e2, e3, e4, e5});
  }

  // TODO(kevinb): go up to 11?

  /**

    return ImmutableSortedSet.of(e1, e2, e3, e4);
  }

  @Override
  protected <E extends Comparable<? super E>> SortedSet<E> of(E e1, E e2, E e3, E e4, E e5) {
    return ImmutableSortedSet.of(e1, e2, e3, e4, e5);
  }

  @Override
  protected <E extends Comparable<? super E>> SortedSet<E> of(
      E e1, E e2, E e3, E e4, E e5, E e6, E... rest) {

    return new ImmutableDoubleArray(new double[] {e0, e1, e2, e3, e4});
  }

  /** Returns an immutable array containing the given values, in order. */
  public static ImmutableDoubleArray of(
      double e0, double e1, double e2, double e3, double e4, double e5) {
    return new ImmutableDoubleArray(new double[] {e0, e1, e2, e3, e4, e5});
  }

  // TODO(kevinb): go up to 11?

          mapEntry(sampleKeys.e2(), createCollection(sampleValues.e2())),
          mapEntry(sampleKeys.e3(), createCollection(sampleValues.e3())),
          mapEntry(sampleKeys.e4(), createCollection(sampleValues.e4())));
    }

    @Override
    public Map<K, Collection<V>> create(Object... elements) {
      Set<K> keySet = new HashSet<>();
      List<Entry<K, V>> builder = new ArrayList<>();

  protected abstract <E extends Comparable<? super E>> Set<E> of(E e1, E e2, E e3, E e4);

  protected abstract <E extends Comparable<? super E>> Set<E> of(E e1, E e2, E e3, E e4, E e5);

  protected abstract <E extends Comparable<? super E>> Set<E> of(
      E e1, E e2, E e3, E e4, E e5, E e6, E... rest);

  protected abstract <E extends Comparable<? super E>> Set<E> copyOf(E[] elements);

    runListIteratorTest(MODIFIABLE);
  }

  private void runListIteratorTest(Set<IteratorFeature> features) {
    new ListIteratorTester<E>(
        listListIteratorTesterNumIterations(),
        singleton(e4()),
        features,
        copyToList(getOrderedElements()),
        0) {
      @Override
      protected ListIterator<E> newTargetIterator() {
        resetCollection();
        return getList().listIterator();

          Multisets.immutableEntry(samples.e1(), 4),
          Multisets.immutableEntry(samples.e2(), 1),
          Multisets.immutableEntry(samples.e3(), 5),
          Multisets.immutableEntry(samples.e4(), 2));
    }

    @Override
    public Set<Multiset.Entry<E>> create(Object... entries) {
      List<Object> contents = new ArrayList<>();
      Set<E> elements = new HashSet<>();

          Multisets.immutableEntry(samples.e1(), 4),
          Multisets.immutableEntry(samples.e2(), 1),
          Multisets.immutableEntry(samples.e3(), 5),
          Multisets.immutableEntry(samples.e4(), 2));
    }

    @Override
    public Set<Multiset.Entry<E>> create(Object... entries) {
      List<Object> contents = new ArrayList<>();
      Set<E> elements = new HashSet<>();