code: func (e *StatusError) DebugError() (string, []interface{}) {
  	if out, err := json.MarshalIndent(e.ErrStatus, "", "  "); err == nil {
  		return "server response object: %s", []interface{}{string(out)}
  	}
  	return "server response object: %#v", []interface{}{e.ErrStatus}
  }
docs: // DebugError reports extended info about the error to debug output.