/**
  * @return \Laelaps\Bundle\FacebookAuthentication\DependencyInjection\Security\Factory\FacebookSecurityFactory
  */
 private function getFacebookSecurityFactory()
 {
     $facebookFactory = new FacebookSecurityFactory();
     $facebookFactory->setFacebookExtension(new FacebookExtension());
     $facebookFactory->setFacebookApplicationDefaultConfiguration($this->getFacebookConfiguration());
     return $facebookFactory;
 }