    # File lib/action_controller/filters.rb, line 222
          def append_around_filter(*filters)
            conditions = extract_conditions!(filters)
            for filter in filters.flatten
              ensure_filter_responds_to_before_and_after(filter)
              append_before_filter(conditions || {}) { |c| filter.before(c) }
              prepend_after_filter(conditions || {}) { |c| filter.after(c) }
            end
          end