code: func (b *backend) String() string {
  	var delegateStrings []string
  	for _, delegate := range b.GetDelegates() {
  		delegateStrings = append(delegateStrings, fmt.Sprintf("%s", delegate))
  	}
  	return fmt.Sprintf("%s[%s]", PluginName, strings.Join(delegateStrings, ","))
  }
docs: // String returns a string representation of the backend