assertEquals(2, multimap.expectedValuesPerKey);
  }

  public void testCreateFromMultimap() {
    HashMultimap<String, Integer> multimap = HashMultimap.create();
    multimap.put("foo", 1);
    multimap.put("bar", 2);
    multimap.put("foo", 3);
    HashMultimap<String, Integer> copy = HashMultimap.create(multimap);
    assertEquals(multimap, copy);
    assertEquals(2, copy.expectedValuesPerKey);
  }

    assertEquals(2, multimap.expectedValuesPerKey);
  }

  public void testCreateFromMultimap() {
    HashMultimap<String, Integer> multimap = HashMultimap.create();
    multimap.put("foo", 1);
    multimap.put("bar", 2);
    multimap.put("foo", 3);
    HashMultimap<String, Integer> copy = HashMultimap.create(multimap);
    assertEquals(multimap, copy);
    assertEquals(2, copy.expectedValuesPerKey);
  }

    Multimap<String, Integer> multimap = createMultimap();
    Multimap<String, Integer> hashMultimap = HashMultimap.create();
    hashMultimap.putAll("foo", Arrays.asList(1, 3));
    hashMultimap.put("bar", 2);

    new EqualsTester()
        .addEqualityGroup(
            multimap,
            createMultimap(),
            hashMultimap,
            ImmutableSetMultimap.<String, Integer>builder()
                .put("bar", 2)

    Multimap<String, Integer> multimap = createMultimap();
    Multimap<String, Integer> hashMultimap = HashMultimap.create();
    hashMultimap.putAll("foo", Arrays.asList(1, 3));
    hashMultimap.put("bar", 2);

    new EqualsTester()
        .addEqualityGroup(
            multimap,
            createMultimap(),
            hashMultimap,
            ImmutableSetMultimap.<String, Integer>builder()
                .put("bar", 2)

  public void testUnmodifiableHashMultimap() {
    checkUnmodifiableMultimap(HashMultimap.<@Nullable String, @Nullable Integer>create(), false);
  }

  @J2ktIncompatible
  @GwtIncompatible // SerializableTester
  public void testSerializingUnmodifiableHashMultimap() {
    Multimap<String, Integer> unmodifiable =
        prepareUnmodifiableTests(HashMultimap.<String, Integer>create(), false, null, null);

  public void testUnmodifiableHashMultimap() {
    checkUnmodifiableMultimap(HashMultimap.<@Nullable String, @Nullable Integer>create(), false);
  }

  @J2ktIncompatible
  @GwtIncompatible // SerializableTester
  public void testSerializingUnmodifiableHashMultimap() {
    Multimap<String, Integer> unmodifiable =
        prepareUnmodifiableTests(HashMultimap.<String, Integer>create(), false, null, null);

    return ImmutableMultimap.<String, Integer>of().asMap();
  }

  @Override
  protected Map<String, Collection<Integer>> makePopulatedMap() {
    Multimap<String, Integer> delegate = HashMultimap.create();
    populate(delegate);
    return ImmutableMultimap.copyOf(delegate).asMap();
  }

    return ImmutableSetMultimap.<String, Integer>of().asMap();
  }

  @Override
  protected Map<String, Collection<Integer>> makePopulatedMap() {
    Multimap<String, Integer> delegate = HashMultimap.create();
    populate(delegate);
    return ImmutableSetMultimap.copyOf(delegate).asMap();
  }

    return ImmutableMultimap.<String, Integer>of().asMap();
  }

  @Override
  protected Map<String, Collection<Integer>> makePopulatedMap() {
    Multimap<String, Integer> delegate = HashMultimap.create();
    populate(delegate);
    return ImmutableMultimap.copyOf(delegate).asMap();
  }

    return ImmutableSetMultimap.<String, Integer>of().asMap();
  }

  @Override
  protected Map<String, Collection<Integer>> makePopulatedMap() {
    Multimap<String, Integer> delegate = HashMultimap.create();
    populate(delegate);
    return ImmutableSetMultimap.copyOf(delegate).asMap();
  }