code: func (sh *GNDSignificanceHeuristic) Source() (interface{}, error) {
  	source := make(map[string]interface{})
  	if sh.backgroundIsSuperset != nil {
  		source["background_is_superset"] = *sh.backgroundIsSuperset
  	}
  	return source, nil
  }
docs: // Source returns the parameters that need to be added to the REST parameters.