code: public Convert<Basic<T>> getOrCreateConvert()
     {
        Node node = childNode.getOrCreate("convert");
        Convert<Basic<T>> convert = new ConvertImpl<Basic<T>>(this, "convert", childNode, node);
        return convert;
     }
docs: If not already created, a new <code>convert</code> element with the given value will be created.
  Otherwise, the existing <code>convert</code> element will be returned.
  @return  a new or existing instance of <code>Convert<Basic<T>></code>