    # File lib/action_controller/caching/actions.rb, line 58
            def caches_action(*actions)
              return unless cache_configured?
              options = actions.extract_options!
              filter_options = { :only => actions, :if => options.delete(:if), :unless => options.delete(:unless) }

              cache_filter = ActionCacheFilter.new(:layout => options.delete(:layout), :cache_path => options.delete(:cache_path), :store_options => options)
              around_filter(filter_options) do |controller, action|
                cache_filter.filter(controller, action)
              end
            end