title: How do you use RedisSessionHandler in Symfony 4? Broken docs
body: <p>The documentation is broken and leads to a 404 page. I'm not too good at reverse engineering classes like this, any tips on how to setup services.yml to use it?</p>
  
  <p>Doc page 
  <a href="https://symfony.com/doc/current/components/http_foundation/session_configuration.html" rel="nofollow noreferrer">https://symfony.com/doc/current/components/http_foundation/session_configuration.html</a></p>
  
  <p>Session Handler 404
  <a href="https://api.symfony.com/4.1/Symfony/Component/HttpFoundation/Session/Storage/Handler/RedisSessionHandler.html" rel="nofollow noreferrer">https://api.symfony.com/4.1/Symfony/Component/HttpFoundation/Session/Storage/Handler/RedisSessionHandler.html</a></p>
  
  <p>Git Page for Session Handler
  <a href="https://github.com/symfony/symfony/blob/master/src/Symfony/Component/HttpFoundation/Session/Storage/Handler/RedisSessionHandler.php" rel="nofollow noreferrer">https://github.com/symfony/symfony/blob/master/src/Symfony/Component/HttpFoundation/Session/Storage/Handler/RedisSessionHandler.php</a></p>