class method self.define_dispatcher_callbacks

# File actionpack/lib/action_controller/dispatcher.rb, line 8
      def define_dispatcher_callbacks(cache_classes)
        @@cache_classes = cache_classes
        unless cache_classes
          ActionView::Helpers::AssetTagHelper.cache_asset_timestamps = false
        end

        if defined?(ActiveRecord)
          to_prepare(:activerecord_instantiate_observers) { ActiveRecord::Base.instantiate_observers }
        end

        after_dispatch :flush_logger if Base.logger && Base.logger.respond_to?(:flush)

        to_prepare do
          I18n.reload!
        end
      end