LinkedHashSet<E> set = new LinkedHashSet<>();
    set.add(freshElement);
    return set;
  }

  @Generates
  static <E> ImmutableSet<E> generateImmutableSet(E freshElement) {
    return ImmutableSet.of(freshElement);
  }

  @Generates
  static <E extends Comparable<? super E>> SortedSet<E> generateSortedSet(E freshElement) {

    LinkedHashSet<E> set = new LinkedHashSet<>();
    set.add(freshElement);
    return set;
  }

  @Generates
  static <E> ImmutableSet<E> generateImmutableSet(E freshElement) {
    return ImmutableSet.of(freshElement);
  }

  @Generates
  static <E extends Comparable<? super E>> SortedSet<E> generateSortedSet(E freshElement) {