class TracingHttpAsyncClientBuilder extends HttpAsyncClientBuilder {

  static void parseTargetAddress(HttpHost target, Span span) {
    if (span.isNoop()) return;
    if (target == null) return;
    InetAddress address = target.getAddress();
    if (address != null) {
      if (span.remoteIpAndPort(address.getHostAddress(), target.getPort())) return;
    }
    span.remoteIpAndPort(target.getHostName(), target.getPort());
  }

    TracingHttpAsyncClientBuilder(HttpTracing httpTracing);

}