"typed_config": {
                              "@type": "type.googleapis.com/envoy.extensions.filters.http.set_filter_state.v3.Config",
                              "on_request_headers": [
                                {
                                  "object_key": "envoy.filters.listener.original_dst.local_ip",
                                  "format_string": {

		if match.IgnoreUriCase {
			retval += " uncased"
		}
	}

	if len(match.Headers) > 0 {
		headerConds := []string{}
		for key, val := range match.Headers {
			headerConds = append(headerConds, fmt.Sprintf("%s=%s", key, renderStringMatch(val)))
		}
		retval += " when headers are " + strings.Join(headerConds, "; ")
	}

	// TODO QueryParams, maybe Gateways
	return strings.TrimSpace(retval)

                                    "max_stream_duration": {
                                      "max_stream_duration": "0s",
                                      "grpc_timeout_header_max": "0s"
                                    }
                                  },
                                  "decorator": {
                                    "operation": ":8000/*"

                            "typed_config": {
                              "@type": "type.googleapis.com/envoy.extensions.filters.http.set_filter_state.v3.Config",
                              "on_request_headers": [
                                {
                                  "object_key": "envoy.filters.listener.original_dst.local_ip",
                                  "format_string": {

  // For example: the master will return an internal IP CIDR only, if the client reaches the server using an internal IP.
  // Server looks at X-Forwarded-For header or X-Real-Ip header or request.RemoteAddr (in that order) to get the client IP.
  // +optional
  repeated ServerAddressByClientCIDR serverAddressByClientCIDRs = 4;
}