@GwtIncompatible // SerializableTester
  public void testExplicitComparatorSerialization() {
    TreeMultimap<String, Integer> multimap = createPopulate();
    TreeMultimap<String, Integer> copy = SerializableTester.reserializeAndAssert(multimap);
    assertThat(copy.values()).containsExactly(1, 3, 7, 2, 6, 0, 4).inOrder();
    assertThat(copy.keySet()).containsExactly("foo", "google", "tree").inOrder();

  @GwtIncompatible // SerializableTester
  public void testImmutableEntrySerialization() {
    Cell<String, Integer, Character> entry = immutableCell("foo", 1, 'a');
    SerializableTester.reserializeAndAssert(entry);
  }

  public void testImmutableEntryToString() {
    Cell<String, Integer, Character> entry = immutableCell("foo", 1, 'a');
    assertEquals("(foo,1)=a", entry.toString());

    assertTrue(empty instanceof EmptyContiguousSet);
    reserializeAndAssert(empty);

    ContiguousSet<Integer> regular = ContiguousSet.create(Range.closed(1, 3), integers());
    assertTrue(regular instanceof RegularContiguousSet);
    reserializeAndAssert(regular);

    /*
     * Make sure that we're using RegularContiguousSet.SerializedForm and not

  @J2ktIncompatible
  @GwtIncompatible // SerializableTester
  public void testSerialization_multiple() {
    Collection<String> c = ImmutableMultiset.of("a", "b", "a");
    Collection<String> copy = SerializableTester.reserializeAndAssert(c);
    assertThat(copy).containsExactly("a", "a", "b").inOrder();
  }

  @J2ktIncompatible
  @GwtIncompatible // SerializableTester
  public void testSerialization_elementSet() {

    assertSame(bimap, SerializableTester.reserializeAndAssert(bimap));
  }

  @J2ktIncompatible
  @GwtIncompatible // SerializableTester
  public void testSerialization() {
    ImmutableBiMap<String, Integer> bimap =
        ImmutableBiMap.copyOf(ImmutableMap.of("one", 1, "two", 2));
    ImmutableBiMap<String, Integer> copy = SerializableTester.reserializeAndAssert(bimap);

    assertEquals(0, expected.value);
    reserializeAndAssert(c);
  }

  public void testExplicit_one() {
    Comparator<Integer> c = Ordering.explicit(0);
    assertEquals(0, c.compare(0, 0));
    IncomparableValueException expected =
        assertThrows(IncomparableValueException.class, () -> c.compare(0, 1));
    assertEquals(1, expected.value);
    reserializeAndAssert(c);

  }

  @J2ktIncompatible
  @GwtIncompatible // SerializableTester
  public void testSingle_serialization() {
    SortedSet<String> set = of("e");
    SortedSet<String> copy = SerializableTester.reserializeAndAssert(set);
    assertEquals(set.comparator(), copy.comparator());
  }

  public void testOf_ordering() {
    SortedSet<String> set = of("e", "a", "f", "b", "d", "c");

    assertEquals(0, expected.value);
    reserializeAndAssert(c);
  }

  public void testExplicit_one() {
    Comparator<Integer> c = Ordering.explicit(0);
    assertEquals(0, c.compare(0, 0));
    IncomparableValueException expected =
        assertThrows(IncomparableValueException.class, () -> c.compare(0, 1));
    assertEquals(1, expected.value);
    reserializeAndAssert(c);

      for (int i = 0; i <= 11; i++) {
        assertEquals(mutable.contains(i), built.contains(i));
      }

      SerializableTester.reserializeAndAssert(built);
      SerializableTester.reserializeAndAssert(built.asRanges());
    }
  }

  private static final ImmutableRangeSet<Integer> RANGE_SET_ONE =
      ImmutableRangeSet.<Integer>builder()
          .add(Range.closed(2, 4))

  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());