}

  private enum NoConstantEnum {}

  private enum OneConstantEnum {
    A
  }

  private enum EnumFailsToCheckNull {
    A;

    @Keep
    public void failToCheckNull(String s) {}
  }

  private interface AnInterface {}

  private abstract static class AnAbstractClass {
    @Keep
    public AnAbstractClass(String s) {}

    @Keep