# File lib/httpclient/http.rb, line 847
    def dump(dev = '')
      str = @http_header.dump + CRLF
      if @http_header.chunked
        dev = @http_body.dump_chunked(str, dev)
      elsif @http_body
        dev = @http_body.dump(str, dev)
      else
        dev << str
      end
      dev
    end