public function __construct($clientId, $clientSecret)
 {
     $authResource = 'https://api.vk.com/method/secure.checkToken';
     parent::__construct($clientId, $clientSecret, $authResource);
 }
 public function __construct($clientId, $clientSecret)
 {
     $authResource = 'https://graph.facebook.com/debug_token';
     parent::__construct($clientId, $clientSecret, $authResource);
 }