ActionDispatch::Session Ruby on Rails 5.1.2 Module ActionDispatch::Session actionpack/lib/action_dispatch/middleware/session/abstract_store.rb actionpack/lib/action_dispatch/middleware/session/cache_store.rb actionpack/lib/action_dispatch/middleware/session/cookie_store.rb actionpack/lib/action_dispatch/middleware/session/mem_cache_store.rb railties/lib/rails/application/configuration.rb Namespace MODULE ActionDispatch::Session::Compatibility MODULE ActionDispatch::Session::StaleSessionCheck CLASS ActionDispatch::Session::AbstractStore CLASS ActionDispatch::Session::CacheStore CLASS ActionDispatch::Session::CookieStore CLASS ActionDispatch::Session::MemCacheStore