Required Files
- rack/session/abstract/id
 - action_controller/metal/exceptions
 - active_support/security_utils
 
Namespace
Module
- ActionController
 - ActionController::RequestForgeryProtection
 - ActionController::RequestForgeryProtection::ClassMethods
 - ActionController::RequestForgeryProtection::ProtectionMethods
 - ActiveSupport
 - Digest
 
Class
- ActionController::RequestForgeryProtection::CookieStore
 - ActionController::RequestForgeryProtection::ProtectionMethods::Exception
 - ActionController::RequestForgeryProtection::ProtectionMethods::NullSession
 - ActionController::RequestForgeryProtection::ProtectionMethods::ResetSession
 - ActionController::RequestForgeryProtection::SessionStore