func DefaultTokenData(_ Client, ro ResourceOwner, _ GenericToken) map[string]interface{} {
	if ro != nil {
		return map[string]interface{}{
			"user": ro.ID(),
		}
	}

	return nil
}
func DefaultTokenData(_ Client, ro ResourceOwner, _ GenericToken) map[string]interface{} {
	if ro != nil {
		return map[string]interface{}{
			"user": ro.ID(),
		}
	}

	return nil
}
// DefaultTokenData adds the user's id to the token data claim.