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