code: func (d *KVGetQuery) String() string {
  	key := d.key
  	if d.dc != "" {
  		key = key + "@" + d.dc
  	}
  
  	if d.block {
  		return fmt.Sprintf("kv.block(%s)", key)
  	}
  	return fmt.Sprintf("kv.get(%s)", key)
  }
docs: // String returns the human-friendly version of this dependency.