class Xxxx {

  public static final class XxxxXxxxxxxxXxxxxxxxxXxxxxxXxxxxxxx<
      X, X, X extends XxxxxxxxxXxxxxxxxxXxxxxxxx<X, X>> {

    int x;
  }

  public static final class XxxxXxxxxxxxXxxxxxxxxXxxxxxXxxxxxxx<
          X, X, X extends XxxxxxxxxXxxxxxxxxXxxxxxxx<X, X>> extends Xxxxx {

    int x;
  }

  class XxxxxxxxXxxxxxxxxXxxxXxxx<
          X extends XxxxxxxxxXxxxxxx, X extends XxxxxxxxxXxxxxx, X extends Xxxxxxxxxxxxx, X>
      extends XxxxXxxx {

    int x;
  }

  @Xxx
  class XxxxxxxxxxxXxxxxxXx<
          X extends XxxxxxXxxxxxxxxxxXxxxxxXxxxxx, X extends Xxxxxxx, XX extends Xxxxxxxxx<X>>
      extends XxxxxxxxXx<X, XX> {

    int x;
  }

  static class XxxxxXxxxxXxxx<
      XXXXX extends XxxxxxxxXxxxxxx<XXXXX>, XXX extends XxxxxxxxXxxxxxx<XXX>> {

    int x;
  }

  @Xxx
  class XxxxxxxxxxxXxxxxxXx<
          X extends XxxxxxXxxxxxxxxxxXxxxxxXxxxxx, X extends Xxxxxxx, X extends Xxxxxxx,
          XX extends Xxxxxxxxx<X>> extends XxxxxxxxXx<X, XX> {

    int x;
  }
}