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