private function authenticateUser(User $user)
 {
     $providerKey = 'secured_area';
     // your firewall name
     $token = new UsernamePasswordToken($user, null, $providerKey, $user->getRoles());
     $this->container->get('security.context')->setToken($token);
 }
 private function authenticateUser(User $user)
 {
     $providerKey = 'secured_are';
     $token = new UsernamePasswordToken($user, null, $providerKey, $user->getRoles());
     $this->getSecurityContext()->setToken($token);
 }