code: func OptServerPrimaryTranslateStoreFunc(tf func(interface{}) TranslateStore) ServerOption {
  
  	return func(s *Server) error {
  		s.holder.NewPrimaryTranslateStore = tf
  		return nil
  	}
  }
docs: // OptServerPrimaryTranslateStoreFunc is a functional option on Server
  // used to specify the function used to create a new primary translate
  // store.