func (p *proxy) ForwardResponse(w http.ResponseWriter, resp *http.Response, err error) (int64, error) {
if err != nil {
if he, ok := err.(HTTPError); ok {
func (p *proxy) ForwardResponse(w http.ResponseWriter, resp *http.Response, err error) (int64, error) {
if err != nil {
if he, ok := err.(HTTPError); ok {