code: func (t Typed) StringString(key string) map[string]string {
  	raw, ok := t.getmap(key)
  	if ok == false {
  		return nil
  	}
  	m := make(map[string]string, len(raw))
  	for k, value := range raw {
  		m[k] = value.(string)
  	}
  	return m
  }
docs: // Returns an map[string]string