assertTrue(multiset.isEmpty());
    reserializeAndAssert(multiset);
  }

  public void testCreateFromIterable() {
    Iterable<Integer> iterable = asList(1, 2, 2, 3, 4);
    ConcurrentHashMultiset<Integer> multiset = ConcurrentHashMultiset.create(iterable);
    assertEquals(2, multiset.count(2));
    reserializeAndAssert(multiset);
  }

  public void testIdentityKeyEquality_strongKeys() {

        Enums.stringConverter(TestEnum.class).toString());
  }

  public void testStringConverter_serialization() {
    SerializableTester.reserializeAndAssert(Enums.stringConverter(TestEnum.class));
  }

  @J2ktIncompatible
  public void testNullPointerExceptions() {
    NullPointerTester tester = new NullPointerTester();

  public void testSerialization() {
    Multimap<String, Integer> multimap = createMultimap();
    SerializableTester.reserializeAndAssert(multimap);
    assertEquals(multimap.size(), SerializableTester.reserialize(multimap).size());
    SerializableTester.reserializeAndAssert(multimap.get("foo"));
    LenientSerializableTester.reserializeAndAssertLenient(multimap.keySet());

    }
  }

  @GwtIncompatible
  @J2ktIncompatible
    public void testSerialization() {
    for (long a : TEST_LONGS) {
      SerializableTester.reserializeAndAssert(UnsignedLong.fromLongBits(a));
    }
  }

  @J2ktIncompatible
  @GwtIncompatible // NullPointerTester
  public void testNulls() {

    }
  }

  @GwtIncompatible
  @J2ktIncompatible
    public void testSerialization() {
    for (long a : TEST_LONGS) {
      SerializableTester.reserializeAndAssert(UnsignedLong.fromLongBits(a));
    }
  }

  @J2ktIncompatible
  @GwtIncompatible // NullPointerTester
  public void testNulls() {

        .addEqualityGroup(
            new PairedStats(MANY_VALUES_STATS_ITERABLE, MANY_VALUES_STATS_ITERABLE, 1.234))
        .testEquals();
  }

  public void testSerializable() {
    SerializableTester.reserializeAndAssert(MANY_VALUES_PAIRED_STATS);
  }

  public void testToString() {
    assertThat(EMPTY_PAIRED_STATS.toString())
        .isEqualTo("PairedStats{xStats=Stats{count=0}, yStats=Stats{count=0}}");

        .addEqualityGroup(
            new PairedStats(MANY_VALUES_STATS_ITERABLE, MANY_VALUES_STATS_ITERABLE, 1.234))
        .testEquals();
  }

  public void testSerializable() {
    SerializableTester.reserializeAndAssert(MANY_VALUES_PAIRED_STATS);
  }

  public void testToString() {
    assertThat(EMPTY_PAIRED_STATS.toString())
        .isEqualTo("PairedStats{xStats=Stats{count=0}, yStats=Stats{count=0}}");

  }

  @J2ktIncompatible
  @GwtIncompatible // SerializableTester
  public void testStringConverterSerialization() {
    SerializableTester.reserializeAndAssert(Doubles.stringConverter());
  }

  public void testToArray() {
    // need explicit type parameter to avoid javac warning!?
    List<Double> none = Arrays.<Double>asList();

  }

  @J2ktIncompatible
  @GwtIncompatible // SerializableTester
  public void testStringConverterSerialization() {
    SerializableTester.reserializeAndAssert(Ints.stringConverter());
  }

  public void testToArray() {
    // need explicit type parameter to avoid javac warning!?
    List<Integer> none = Arrays.<Integer>asList();

  }

  @J2ktIncompatible
  @GwtIncompatible // SerializableTester
  public void testStringConverterSerialization() {
    SerializableTester.reserializeAndAssert(Shorts.stringConverter());
  }

  public void testToArray() {
    // need explicit type parameter to avoid javac warning!?
    List<Short> none = Arrays.<Short>asList();