new TestStringMapGenerator() {
              @Override
              protected Map<String, String> create(Entry<String, String>[] entries) {
                Map<String, String> map = populate(new HashMap<String, String>(), entries);
                return Collections.checkedMap(map, String.class, String.class);
              }
            })
        .named("checkedMap/HashMap")
        .withFeatures(

        new Function<String, String>() {
          @Override
          public String apply(String value) {
            return Ascii.toLowerCase(value);
          }
        };

    static final EntryTransformer<String, String, String> ENTRY_TRANSFORMER =
        new EntryTransformer<String, String, String>() {
          @Override
          public String transformEntry(String key, String value) {
            return Ascii.toLowerCase(value);

            new TestStringMapGenerator() {
              @Override
              protected Map<String, String> create(Entry<String, String>[] entries) {
                Map<String, String> map = populate(new HashMap<String, String>(), entries);
                return Collections.checkedMap(map, String.class, String.class);
              }
            })
        .named("checkedMap/HashMap")
        .withFeatures(

        new Function<String, String>() {
          @Override
          public String apply(String value) {
            return Ascii.toLowerCase(value);
          }
        };

    static final EntryTransformer<String, String, String> ENTRY_TRANSFORMER =
        new EntryTransformer<String, String, String>() {
          @Override
          public String transformEntry(String key, String value) {
            return Ascii.toLowerCase(value);

    String[] array = new String[] {"a"};
    Multiset<String> multiset = ImmutableMultiset.copyOf(array);
    assertEquals(HashMultiset.create(asList("a")), multiset);
  }

  @SuppressWarnings("ArrayAsKeyOfSetOrMap")
  public void testCreation_arrayOfArray() {
    String[] array = new String[] {"a"};
    Multiset<String[]> multiset = ImmutableMultiset.<String[]>of(array);
    Multiset<String[]> expected = HashMultiset.create();

    String[] array = new String[] {"a"};
    Multiset<String> multiset = ImmutableMultiset.copyOf(array);
    assertEquals(HashMultiset.create(asList("a")), multiset);
  }

  @SuppressWarnings("ArrayAsKeyOfSetOrMap")
  public void testCreation_arrayOfArray() {
    String[] array = new String[] {"a"};
    Multiset<String[]> multiset = ImmutableMultiset.<String[]>of(array);
    Multiset<String[]> expected = HashMultiset.create();

    int i = 0;
    for (Object o : entries) {
      @SuppressWarnings("unchecked")
      Entry<String, String> e = (Entry<String, String>) o;
      array[i++] = e;
    }
    return create(array);
  }

  protected abstract SetMultimap<String, String> create(Entry<String, String>[] entries);

  @Override
  @SuppressWarnings("unchecked")

  private static final class ImmutableSetMultimapGenerator extends TestStringSetMultimapGenerator {
    @Override
    protected SetMultimap<String, String> create(Entry<String, String>[] entries) {
      ImmutableSetMultimap.Builder<String, String> builder = ImmutableSetMultimap.builder();
      for (Entry<String, String> entry : entries) {
        builder.put(entry.getKey(), entry.getValue());
      }
      return builder.build();
    }
  }

  protected abstract BiMap<String, String> create(Entry<String, String>[] entries);

  @Override
  @SuppressWarnings("unchecked")
  public final Entry<String, String>[] createArray(int length) {
    return (Entry<String, String>[]) new Entry<?, ?>[length];
  }

  @Override
  public final String[] createKeyArray(int length) {
    return new String[length];
  }

  @Override
  public final String[] createValueArray(int length) {

  protected abstract BiMap<String, String> create(Entry<String, String>[] entries);

  @Override
  @SuppressWarnings("unchecked")
  public final Entry<String, String>[] createArray(int length) {
    return (Entry<String, String>[]) new Entry<?, ?>[length];
  }

  @Override
  public final String[] createKeyArray(int length) {
    return new String[length];
  }

  @Override
  public final String[] createValueArray(int length) {