* @deprecated Since symfony/security-bundle 5.3: The "security.authentication.manager" service is deprecated, use the new authenticator system instead.
*/
public static function do($container, $lazyLoad = true)
{
trigger_deprecation('symfony/security-bundle', '5.3', 'The "security.authentication.manager" service is deprecated, use the new authenticator system instead.');
$container->privates['security.authentication.manager'] = $instance = new \Symfony\Component\Security\Core\Authentication\AuthenticationProviderManager(new RewindableGenerator(function () use ($container) {