public function storeAuthorizationCode(AuthorizationCode $authorizationCode)
{
return Base64Url::encode(Json::encode(array('client_id' => $authorizationCode->getClientId(), 'user_id' => $authorizationCode->getUserId(), 'issued_at' => $authorizationCode->getIssuedAt(), 'redirect_uri' => $authorizationCode->getRedirectUri(), 'scope' => $authorizationCode->getScope())));
}