code: func (s *mustRunAs) GenerateSingle(_ *api.Pod) (*int64, error) {
  	single := new(int64)
  	*single = s.ranges[0].Min
  	return single, nil
  }
docs: // Generate a single value to be applied.  This is used for FSGroup.  This strategy will return
  // the first group of the first range (min val).