code: public Alternatives<BeansDescriptor> getOrCreateAlternatives()
     {
        Node node = model.getOrCreate("alternatives");
        Alternatives<BeansDescriptor> alternatives = new AlternativesImpl<BeansDescriptor>(this, "alternatives", model, node);
        return alternatives;
     }
docs: If not already created, a new <code>alternatives</code> element with the given value will be created.
  Otherwise, the existing <code>alternatives</code> element will be returned.
  @return  a new or existing instance of <code>Alternatives<BeansDescriptor></code>