assertEquals(strings, comparator.sortedCopy(strings));
    assertEquals(strings, comparator.immutableSortedCopy(strings));
  }

  // From https://github.com/google/guava/issues/1342
  public void testComplicatedOrderingExample() {
    Integer nullInt = (Integer) null;
    Ordering<@Nullable Iterable<@Nullable Integer>> example =
        Ordering.<Integer>natural()
            .<Integer>nullsFirst()
            .reverse()

    assertEquals(strings, comparator.sortedCopy(strings));
    assertEquals(strings, comparator.immutableSortedCopy(strings));
  }

  // From https://github.com/google/guava/issues/1342
  public void testComplicatedOrderingExample() {
    Integer nullInt = (Integer) null;
    Ordering<@Nullable Iterable<@Nullable Integer>> example =
        Ordering.<Integer>natural()
            .<Integer>nullsFirst()
            .reverse()