code: func (v *JWTValidator) Claims(r *http.Request, token *jwt.JSONWebToken, values ...interface{}) error {
  	key, err := v.config.secretProvider.GetSecret(r)
  	if err != nil {
  		return err
  	}
  	return token.Claims(key, values...)
  }
docs: // Claims unmarshall the claims of the provided token