assertFreshInstance(new TypeToken<LinkedHashSet<String>>() {});
  }

  public void testTreeSet() {
    assertFreshInstance(new TypeToken<TreeSet<String>>() {});
  }

  public void testSortedSet() {
    assertFreshInstance(new TypeToken<SortedSet<String>>() {});
  }

  public void testNavigableSet() {
    assertFreshInstance(new TypeToken<NavigableSet<String>>() {});
  }