public void testValueSetHashTableExpansion() {
    LinkedHashMultimap<String, Integer> multimap = LinkedHashMultimap.create();
    for (int z = 1; z <= 100; z++) {
      multimap.put("a", z);
      // The Eclipse compiler (and hence GWT) rejects a parameterized cast.
      @SuppressWarnings("unchecked")
      LinkedHashMultimap<String, Integer>.ValueSet valueSet =
          (LinkedHashMultimap.ValueSet) multimap.backingMap().get("a");

      }
    },
    LinkedHashMultimapImpl {
      @Override
      <K extends Comparable<K>, V extends Comparable<V>> SetMultimap<K, V> create(
          Multimap<K, V> contents) {
        return LinkedHashMultimap.create(contents);
      }
    },
    TreeMultimapImpl {
      @Override
      <K extends Comparable<K>, V extends Comparable<V>> SetMultimap<K, V> create(
          Multimap<K, V> contents) {

    Map<String, List<Integer>> map = Multimaps.asMap(listMultimap);
    assertSame(listMultimap.asMap(), map);
  }

  public void testAsMap_setMultimap() {
    SetMultimap<String, Integer> setMultimap = LinkedHashMultimap.create();
    Map<String, Set<Integer>> map = Multimaps.asMap(setMultimap);
    assertSame(setMultimap.asMap(), map);
  }

  public void testAsMap_sortedSetMultimap() {

      }
    },
    LinkedHashMultimapImpl {
      @Override
      <K extends Comparable<K>, V extends Comparable<V>> SetMultimap<K, V> create(
          Multimap<K, V> contents) {
        return LinkedHashMultimap.create(contents);
      }
    },
    TreeMultimapImpl {
      @Override
      <K extends Comparable<K>, V extends Comparable<V>> SetMultimap<K, V> create(
          Multimap<K, V> contents) {

    abstract SetMultimap<String, Integer> filter(SetMultimap<String, Integer> multimap);

    @Override
    public SetMultimap<String, Integer> create(Object... elements) {
      SetMultimap<String, Integer> multimap = LinkedHashMultimap.create();
      for (Object o : elements) {
        @SuppressWarnings("unchecked")
        Entry<String, Integer> entry = (Entry<String, Integer>) o;
        multimap.put(entry.getKey(), entry.getValue());
      }

    abstract SetMultimap<String, Integer> filter(SetMultimap<String, Integer> multimap);

    @Override
    public SetMultimap<String, Integer> create(Object... elements) {
      SetMultimap<String, Integer> multimap = LinkedHashMultimap.create();
      for (Object o : elements) {
        @SuppressWarnings("unchecked")
        Entry<String, Integer> entry = (Entry<String, Integer>) o;
        multimap.put(entry.getKey(), entry.getValue());
      }

   * #synchronizedMultimap}.
   *
   * <p>Call this method only when the simpler methods {@link ArrayListMultimap#create()}, {@link
   * HashMultimap#create()}, {@link LinkedHashMultimap#create()}, {@link
   * LinkedListMultimap#create()}, {@link TreeMultimap#create()}, and {@link
   * TreeMultimap#create(Comparator, Comparator)} won't suffice.
   *