# File lib/facets/more/http.rb, line 198
      def dump(dev = '')
        set_header
        if @is_request
          dev << request_line
        else
          dev << response_status_line
        end
        dev << @header_item.collect { |key, value|
            dump_line("#{ key }: #{ value }")
          }.join
        dev
      end