public interface Ordered {
    /**
     * Attests that the expected values must not just be present but must be present in the order
     * they were given.
     */
    void inOrder();
  }

  private abstract static class GeneralSpliterator<E extends @Nullable Object> {
    final Spliterator<E> spliterator;

    GeneralSpliterator(Spliterator<E> spliterator) {

    // now we'll get the varargs overload
    ImmutableSet<String> set =
        ImmutableSet.of("a", "b", "c", "c", "c", "c", "b", "b", "a", "a", "c", "c", "c", "a");
    assertThat(set).containsExactly("a", "b", "c").inOrder();
  }

  @GwtIncompatible("Builder impl")
  public void testBuilderForceCopy() {
    ImmutableSet.Builder<Integer> builder = ImmutableSet.builder();
    builder.add(-1);
    Object[] prevArray = null;

  }

  public void testValues() {
    ImmutableBiMap<String, Integer> bimap =
        ImmutableBiMap.copyOf(ImmutableMap.of("one", 1, "two", 2, "three", 3, "four", 4));
    Set<Integer> values = bimap.values();
    assertEquals(newHashSet(1, 2, 3, 4), values);
    assertThat(values).containsExactly(1, 2, 3, 4).inOrder();
  }

  public void testDoubleInverse() {

    assertThat(tail).containsExactly("c", "A", "B", "C").inOrder();
  }

  public void testSkip_structurallyModifiedSkipSomeList() throws Exception {
    List<String> list = newArrayList("a", "b", "c");
    Iterable<String> tail = skip(list, 1);
    list.subList(1, 3).clear();
    list.addAll(0, newArrayList("A", "B", "C"));
    assertThat(tail).containsExactly("B", "C", "a").inOrder();
  }

    multimap.put("foo", 2);
    LinkedListMultimap<String, Integer> copy = LinkedListMultimap.create(multimap);
    assertEquals(multimap, copy);
    assertThat(copy.entries()).containsExactlyElementsIn(multimap.entries()).inOrder();
  }

  public void testCreateFromSize() {
    LinkedListMultimap<String, Integer> multimap = LinkedListMultimap.create(20);
    multimap.put("foo", 1);
    multimap.put("bar", 2);
    multimap.put("foo", 3);

    ExecutorService service = mock(ExecutorService.class);
    application.addDelayedShutdownHook(service, 2, SECONDS);
    verify(service, Mockito.never()).shutdown();
    application.shutdown();
    InOrder shutdownFirst = Mockito.inOrder(service);
    shutdownFirst.verify(service).shutdown();
    shutdownFirst.verify(service).awaitTermination(2, SECONDS);
  }

    assertThat(copy).containsExactly("a", "a", "b").inOrder();
  }

  public void testSerialization_elementSet() {
    Multiset<String> c = ImmutableSortedMultiset.of("a", "b", "a");
    Collection<String> copy = SerializableTester.reserializeAndAssert(c.elementSet());
    assertThat(copy).containsExactly("a", "b").inOrder();
  }

  public void testSerialization_entrySet() {

    assertThat(cartesianProduct(list(1), list(2, 3)))
        .containsExactly(list(1, 2), list(1, 3))
        .inOrder();
  }

  public void testCartesianProduct_binary2x2() {
    assertThat(cartesianProduct(list(1, 2), list(3, 4)))
        .containsExactly(list(1, 3), list(1, 4), list(2, 3), list(2, 4))
        .inOrder();
  }

  public void testCartesianProduct_2x2x2() {

    assertThat(cartesianProduct(list(1), list(2, 3)))
        .containsExactly(list(1, 2), list(1, 3))
        .inOrder();
  }

  public void testCartesianProduct_binary2x2() {
    assertThat(cartesianProduct(list(1, 2), list(3, 4)))
        .containsExactly(list(1, 3), list(1, 4), list(2, 3), list(2, 4))
        .inOrder();
  }

  public void testCartesianProduct_2x2x2() {

        .isWithin(ALLOWED_ERROR)
        .of(SIXTEEN_SQUARES_DECILE_1);
    assertThat(dataset)
        .usingExactEquality()
        .containsExactlyElementsIn(SIXTEEN_SQUARES_DOUBLES)
        .inOrder();
  }

  public void testScale_index_compute_longVarargs() {
    long[] dataset = Longs.toArray(SIXTEEN_SQUARES_LONGS);
    assertThat(Quantiles.scale(10).index(1).compute(dataset))
        .isWithin(ALLOWED_ERROR)