new EqualsTester().addEqualityGroup(input, multimap).testEquals();
  }

  public void testCopyOfEmpty() {
    ArrayListMultimap<String, Integer> input = ArrayListMultimap.create();
    ImmutableListMultimap<String, Integer> multimap = ImmutableListMultimap.copyOf(input);
    new EqualsTester().addEqualityGroup(input, multimap).testEquals();
  }

    new EqualsTester()
        .addEqualityGroup(Invokable.from(getMethod), Invokable.from(getMethod))
        .addEqualityGroup(Invokable.from(setMethod))
        .addEqualityGroup(new TypeToken<List<Integer>>() {}.method(getMethod))
        .addEqualityGroup(new TypeToken<List<String>>() {}.method(getMethod))
        .addEqualityGroup(new TypeToken<List<Integer>>() {}.method(setMethod))

    Map<K, Collection<V>> expected = Maps.newHashMap();
    expected.put(k0(), newHashSet(v0(), v3()));
    expected.put(k1(), newHashSet(v0()));
    new EqualsTester().addEqualityGroup(expected, multimap().asMap()).testEquals();
  }

  @CollectionSize.Require(SEVERAL)
  public void testEntrySetEquals() {
    resetContainer(mapEntry(k0(), v0()), mapEntry(k1(), v0()), mapEntry(k0(), v3()));

  private static final File FILE = new File(".");

  public void testEquals() {
    new EqualsTester()
        .addEqualityGroup(classInfo(ClassPathTest.class), classInfo(ClassPathTest.class))
        .addEqualityGroup(classInfo(Test.class), classInfo(Test.class, getClass().getClassLoader()))
        .addEqualityGroup(
            new ResourceInfo(FILE, "a/b/c.txt", getClass().getClassLoader()),

            });
  }

  public void testEquals() {
    Set<String> set1 = ImmutableSet.of("one");
    Set<String> set2 = ImmutableSet.of("two");
    new EqualsTester()
        .addEqualityGroup(set1, wrap(set1), wrap(set1))
        .addEqualityGroup(set2, wrap(set2))
        .testEquals();
  }

  private static <T> Set<T> wrap(final Set<T> delegate) {
    return new ForwardingSet<T>() {
      @Override

  public void testEquals() {
    SortedSet<String> set1 = ImmutableSortedSet.of("one");
    SortedSet<String> set2 = ImmutableSortedSet.of("two");
    new EqualsTester()
        .addEqualityGroup(set1, wrap(set1), wrap(set1))
        .addEqualityGroup(set2, wrap(set2))
        .testEquals();
  }

  private static <T> SortedSet<T> wrap(final SortedSet<T> delegate) {
    return new ForwardingSortedSet<T>() {
      @Override

            });
  }

  public void testEquals() {
    Set<String> set1 = ImmutableSet.of("one");
    Set<String> set2 = ImmutableSet.of("two");
    new EqualsTester()
        .addEqualityGroup(set1, wrap(set1), wrap(set1))
        .addEqualityGroup(set2, wrap(set2))
        .testEquals();
  }

  private static <T> Set<T> wrap(final Set<T> delegate) {
    return new ForwardingSet<T>() {
      @Override

    Map<K, Collection<V>> expected = Maps.newHashMap();
    expected.put(k0(), newHashSet(v0(), v3()));
    expected.put(k1(), newHashSet(v0()));
    new EqualsTester().addEqualityGroup(expected, multimap().asMap()).testEquals();
  }

  @CollectionSize.Require(SEVERAL)
  public void testEntrySetEquals() {
    resetContainer(mapEntry(k0(), v0()), mapEntry(k1(), v0()), mapEntry(k0(), v3()));

  }

  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 testEquals() {
    SortedSet<String> set1 = ImmutableSortedSet.of("one");
    SortedSet<String> set2 = ImmutableSortedSet.of("two");
    new EqualsTester()
        .addEqualityGroup(set1, wrap(set1), wrap(set1))
        .addEqualityGroup(set2, wrap(set2))
        .testEquals();
  }

  private static <T> SortedSet<T> wrap(final SortedSet<T> delegate) {
    return new ForwardingSortedSet<T>() {
      @Override