code: public static HttpHeaders toArmeria(HttpResponse in) {
          final io.netty.handler.codec.http.HttpHeaders inHeaders = in.headers();
          final HttpHeaders out = new DefaultHttpHeaders(true, inHeaders.size());
          out.status(in.status().code());
  
          // Add the HTTP headers which have not been consumed above
          toArmeria(inHeaders, out);
          return out;
      }
docs: Converts the headers of the given Netty HTTP/1.x response into Armeria HTTP/2 headers.