}

  private fun processResponse(
    response: Response,
    hostname: String,
    results: MutableList<InetAddress>,
    failures: MutableList<Exception>,
  ) {
    try {
      val addresses = readResponse(hostname, response)
      synchronized(results) {
        results.addAll(addresses)
      }
    } catch (e: Exception) {
      synchronized(failures) {
        failures.add(e)
      }
    }
  }

pkg net/http, func ProxyFromEnvironment(*Request) (*url.URL, error)
pkg net/http, func ProxyURL(*url.URL) func(*Request) (*url.URL, error)
pkg net/http, func ReadRequest(*bufio.Reader) (*Request, error)
pkg net/http, func ReadResponse(*bufio.Reader, *Request) (*Response, error)
pkg net/http, func Redirect(ResponseWriter, *Request, string, int)
pkg net/http, func RedirectHandler(string, int) Handler
pkg net/http, func Serve(net.Listener, Handler) error