suite.addTest(
        MapTestSuiteBuilder.using(new ImmutableEnumMapGenerator())
            .named("Maps.immutableEnumMap")
            .withFeatures(CollectionSize.ANY, SERIALIZABLE, ALLOWS_NULL_QUERIES)
            .createTestSuite());
    suite.addTestSuite(ImmutableEnumMapTest.class);
    return suite;
  }

  public void testIteratesOnce() {
    Map<AnEnum, AnEnum> map =
        Maps.asMap(
            ImmutableSet.of(AnEnum.A),

            .withFeatures(
                CollectionSize.ANY,
                CollectionFeature.KNOWN_ORDER,
                CollectionFeature.GENERAL_PURPOSE)
            .createTestSuite());

    return suite;
  }

  @SuppressWarnings({"rawtypes", "unchecked"})
  public void testForwarding() {
    new ForwardingWrapperTester()
        .testForwarding(
            SortedSet.class,

                MapFeature.FAILS_FAST_ON_CONCURRENT_MODIFICATION,
                CollectionFeature.SUPPORTS_ITERATOR_REMOVE,
                CollectionFeature.SERIALIZABLE,
                CollectionSize.ANY)
            .createTestSuite());
    suite.addTestSuite(HashMultimapTest.class);
    return suite;
  }

  /*
   * The behavior of toString() is tested by TreeMultimap, which shares a

                MapFeature.FAILS_FAST_ON_CONCURRENT_MODIFICATION,
                CollectionFeature.SUPPORTS_ITERATOR_REMOVE,
                CollectionFeature.SERIALIZABLE,
                CollectionSize.ANY)
            .createTestSuite());
    suite.addTestSuite(HashMultimapTest.class);
    return suite;
  }

  /*
   * The behavior of toString() is tested by TreeMultimap, which shares a

                CollectionFeature.KNOWN_ORDER,
                CollectionSize.ANY,
                MapFeature.ALLOWS_ANY_NULL_QUERIES,
                CollectionFeature.SERIALIZABLE)
            .createTestSuite());

    return suite;
  }

  public void testSerialization_empty() {
    assertThat(SerializableTester.reserialize(ImmutableClassToInstanceMap.of()))
        .isSameInstanceAs(ImmutableClassToInstanceMap.of());

                CollectionSize.ANY,
                CollectionFeature.SERIALIZABLE,
                CollectionFeature.SUPPORTS_ITERATOR_REMOVE,
                MapFeature.ALLOWS_ANY_NULL_QUERIES)
            .createTestSuite());

    return suite;
  }

  private ClassToInstanceMap<Number> map;

  @Override
  protected void setUp() throws Exception {
    map = MutableClassToInstanceMap.create();
  }

            .withFeatures(
                CollectionSize.ANY,
                MapFeature.GENERAL_PURPOSE,
                CollectionFeature.SUPPORTS_ITERATOR_REMOVE)
            .createTestSuite());
    suite.addTest(
        ConcurrentMapTestSuiteBuilder.using(
                new TestStringCacheGenerator(createCacheBuilder().concurrencyLevel(1)))
            .named("LocalCache with concurrencyLevel[1]")

            .withFeatures(
                CollectionSize.ANY,
                MapFeature.GENERAL_PURPOSE,
                CollectionFeature.SUPPORTS_ITERATOR_REMOVE)
            .createTestSuite());
    suite.addTest(
        ConcurrentMapTestSuiteBuilder.using(
                new TestStringCacheGenerator(createCacheBuilder().concurrencyLevel(1)))
            .named("LocalCache with concurrencyLevel[1]")

                CollectionFeature.SERIALIZABLE,
                CollectionFeature.GENERAL_PURPOSE,
                MultisetFeature.ENTRIES_ARE_VIEWS)
            .named("HashMultiset")
            .createTestSuite());
    suite.addTestSuite(HashMultisetTest.class);
    return suite;
  }

  @J2ktIncompatible
  @AndroidIncompatible // test-suite builders
  private static TestStringMultisetGenerator hashMultisetGenerator() {

            .named("NoRemoveMultiset")
            .withFeatures(
                CollectionSize.ANY,
                CollectionFeature.ALLOWS_NULL_VALUES,
                CollectionFeature.SUPPORTS_ADD)
            .createTestSuite());
    return suite;
  }

  @SuppressWarnings("ModifiedButNotUsed")
  public void testFastAddAllMultiset() {
    AtomicInteger addCalls = new AtomicInteger();
    Multiset<String> multiset =