*/
  public static <K extends @Nullable Object, V extends @Nullable Object>
      ArrayListMultimap<K, V> create(Multimap<? extends K, ? extends V> multimap) {
    return new ArrayListMultimap<>(multimap);
  }

  private ArrayListMultimap() {
    this(12, DEFAULT_VALUES_PER_KEY);
  }

  private ArrayListMultimap(int expectedKeys, int expectedValuesPerKey) {
    super(Platform.newHashMapWithExpectedSize(expectedKeys));

  public void testCopyOfNullKey() {
    ArrayListMultimap<@Nullable String, Integer> input = ArrayListMultimap.create();
    input.put(null, 1);
    assertThrows(
        NullPointerException.class,
        () -> ImmutableListMultimap.copyOf((ArrayListMultimap<String, Integer>) input));
  }

  public void testCopyOfNullValue() {
    ArrayListMultimap<String, @Nullable Integer> input = ArrayListMultimap.create();

  public void testCopyOfNullKey() {
    ArrayListMultimap<@Nullable String, Integer> input = ArrayListMultimap.create();
    input.put(null, 1);
    assertThrows(
        NullPointerException.class,
        () -> ImmutableListMultimap.copyOf((ArrayListMultimap<String, Integer>) input));
  }

  public void testCopyOfNullValue() {
    ArrayListMultimap<String, @Nullable Integer> input = ArrayListMultimap.create();

  public void testCreateFromArrayListMultimap() {
    ArrayListMultimap<String, Integer> original = ArrayListMultimap.create(15, 20);
    ArrayListMultimap<String, Integer> multimap = ArrayListMultimap.create(original);
    assertEquals(20, multimap.expectedValuesPerKey);
  }

  public void testTrimToSize() {
    ArrayListMultimap<String, Integer> multimap = ArrayListMultimap.create();
    multimap.put("foo", 1);

    return Multimaps.transformValues(
            ArrayListMultimap.<String, Integer>create(), Functions.<Integer>identity())
        .asMap();
  }

  @Override
  protected Map<String, Collection<Integer>> makePopulatedMap() {
    ListMultimap<String, Integer> delegate = ArrayListMultimap.create();
    populate(delegate);

    return Multimaps.transformValues(
            ArrayListMultimap.<String, Integer>create(), Functions.<Integer>identity())
        .asMap();
  }

  @Override
  protected Map<String, Collection<Integer>> makePopulatedMap() {
    ListMultimap<String, Integer> delegate = ArrayListMultimap.create();
    populate(delegate);

    checkUnmodifiableMultimap(
        ArrayListMultimap.<@Nullable String, @Nullable Integer>create(), true);
  }

  @J2ktIncompatible
  @GwtIncompatible // SerializableTester
  public void testSerializingUnmodifiableArrayListMultimap() {
    Multimap<String, Integer> unmodifiable =
        prepareUnmodifiableTests(ArrayListMultimap.<String, Integer>create(), true, null, null);

    return generateArrayListMultimap(key, value);
  }

  @Generates
  static <K, V> ArrayListMultimap<K, V> generateArrayListMultimap(
      @Nullable K key, @Nullable V value) {
    ArrayListMultimap<K, V> multimap = ArrayListMultimap.create();
    multimap.put(key, value);
    return multimap;
  }

  @Generates

                        synchronizedListMultimap(ArrayListMultimap.<String, String>create());
                    for (Entry<String, String> entry : entries) {
                      multimap.put(entry.getKey(), entry.getValue());
                    }
                    return multimap;
                  }
                })
            .named("synchronized ArrayListMultimap")
            .withFeatures(

    return generateArrayListMultimap(key, value);
  }

  @Generates
  static <K, V> ArrayListMultimap<K, V> generateArrayListMultimap(
      @Nullable K key, @Nullable V value) {
    ArrayListMultimap<K, V> multimap = ArrayListMultimap.create();
    multimap.put(key, value);
    return multimap;
  }

  @Generates