httpclient/http.go
func (d *dumpClient) Do(req *http.Request) (*http.Response, error) {
	return d.doImp(req, false, nil)
}
func (d *dumpClient) Do(req *http.Request) (*http.Response, error) {
	return d.doImp(req, false, nil)
}
// Do dumps the request, makes the request and dumps the response as specified by DumpFormat.