if err != nil {
		return err
	}

	xhttp.DrainBody(resp.Body)
	if resp.StatusCode != http.StatusOK {
		return errors.New(resp.Status)
	}

	return nil
}

// Expire expires object versions which have already matched supplied filter conditions
func (r *BatchJobExpire) Expire(ctx context.Context, api ObjectLayer, vc *versioning.Versioning, objsToDel []ObjectToDelete) []error {
	opts := ObjectOptions{