System.arraycopy(suffix, 0, all, 2 + elements.length, 2);

      return ImmutableList.copyOf(all).subList(2, elements.length + 2);
    }
  }

  public static class CharactersOfStringGenerator extends TestCharacterListGenerator {
    @Override
    public List<Character> create(Character[] elements) {
      char[] chars = Chars.toArray(Arrays.asList(elements));

      System.arraycopy(suffix, 0, all, 2 + elements.length, 2);

      return ImmutableList.copyOf(all).subList(2, elements.length + 2);
    }
  }

  public static class CharactersOfStringGenerator extends TestCharacterListGenerator {
    @Override
    public List<Character> create(Character[] elements) {
      char[] chars = Chars.toArray(Arrays.asList(elements));