code: func (rc *Connector) TruncateScope(ctx context.Context, scope string) error {
  	// will fall to default connector
  	connector, err := rc.getConnector(scope, "")
  	if err != nil {
  		return err
  	}
  	return connector.TruncateScope(ctx, scope)
  }
docs: // TruncateScope calls selected connector