@GwtIncompatible // SerializableTester
  public void testLexicographicalComparatorSerializable() {
    Comparator<short[]> comparator = Shorts.lexicographicalComparator();
    assertThat(SerializableTester.reserialize(comparator)).isSameInstanceAs(comparator);
  }

  public void testReverse() {
    testReverse(new short[] {}, new short[] {});
    testReverse(new short[] {1}, new short[] {1});

   * optimizing, because the rest have the option of calling `trimmed`.
   */

  private final transient int start; // it happens that we only serialize instances where this is 0
  private final int end; // exclusive

  private ImmutableDoubleArray(double[] array) {
    this(array, 0, array.length);
  }

  @GwtIncompatible // SerializableTester
  public void testLexicographicalComparatorSerializable() {
    Comparator<float[]> comparator = Floats.lexicographicalComparator();
    assertThat(SerializableTester.reserialize(comparator)).isSameInstanceAs(comparator);
  }

  public void testReverse() {
    testReverse(new float[] {}, new float[] {});
    testReverse(new float[] {1}, new float[] {1});

            Stats.of(1.0, 1.0, 5.0, 5.0),
            Stats.of(ImmutableList.of(1.0, 1.0, 5.0, 5.0)),
            Stats.of(ImmutableList.of(1.0, 1.0, 5.0, 5.0).iterator()),
            SerializableTester.reserialize(Stats.of(1.0, 1.0, 5.0, 5.0)))
        .addEqualityGroup(Stats.of(1.0, 5.0))
        .addEqualityGroup(Stats.of(1.0, 5.0, 1.0, 6.0))
        .addEqualityGroup(Stats.of(2.0, 6.0, 2.0, 6.0))
        .addEqualityGroup(

  /** Returns the position of an element within the set, or -1 if not present. */
  abstract int indexOf(@CheckForNull Object target);

  /*
   * This class is used to serialize all ImmutableSortedSet instances,
   * regardless of implementation type. It captures their "logical contents"
   * only. This is necessary to ensure that the existence of a particular

   * @return the re-serialized object
   * @throws RuntimeException if the specified object was not successfully serialized or
   *     deserialized
   */
  @CanIgnoreReturnValue
  public static <T> T reserialize(T object) {
    return Platform.reserialize(object);
  }

  /**
   * Serializes and deserializes the specified object and verifies that the re-serialized object is

    map.put("one", 1);
    map.put("two", 2);
    map.put("three", 3);
    return SerializableTester.reserialize(map);
  }

  @Override
  protected SortedMap<String, Integer> makeEmptyMap() throws UnsupportedOperationException {
    NavigableMap<String, Integer> map = new SafeTreeMap<>();
    return SerializableTester.reserialize(map);
  }

  @Override
  protected String getKeyNotInPopulatedMap() {
    return "minus one";
  }

    Set<Multiset.Entry<E>> expected = getMultiset().entrySet();
    assertEquals(expected, SerializableTester.reserialize(expected));
  }

  @CollectionFeature.Require(SERIALIZABLE_INCLUDING_VIEWS)
  public void testElementSetSerialization() {
    Set<E> expected = getMultiset().elementSet();
    assertEquals(expected, SerializableTester.reserialize(expected));
  }

  }

  public void testEqualsAndHashCode() {
    new EqualsTester()
        .addEqualityGroup(Optional.absent(), reserialize(Optional.absent()))
        .addEqualityGroup(Optional.of(Long.valueOf(5)), reserialize(Optional.of(Long.valueOf(5))))
        .addEqualityGroup(Optional.of(Long.valueOf(42)), reserialize(Optional.of(Long.valueOf(42))))
        .testEquals();
  }

  public void testToString_absent() {

  public void testReserialize() {
    // For a bare Collection, the most we can guarantee is that the elements are preserved.
    Helpers.assertEqualIgnoringOrder(
        actualContents(), SerializableTester.reserialize(actualContents()));
  }