instance method session_store

# File railties/lib/rails/application/configuration.rb, line 131
      def session_store(*args)
        if args.empty?
          case @session_store
          when :disabled
            nil
          when :active_record_store
            begin
              ActionDispatch::Session::ActiveRecordStore
            rescue NameError
              raise "`ActiveRecord::SessionStore` is extracted out of Rails into a gem. " \
                "Please add `activerecord-session_store` to your Gemfile to use it."
            end
          when Symbol
            ActionDispatch::Session.const_get(@session_store.to_s.camelize)
          else
            @session_store
          end
        else
          @session_store = args.shift
          @session_options = args.shift || {}
        end
      end