/**
* @param string $url Url to use. If protocol-relative, will be expanded to an http:// URL
- * @param array $options (optional) extra params to pass (see Http::request())
+ * @param array $options (optional) extra params to pass (see HttpRequestFactory::create())
* @param string $caller The method making this request, for profiling
* @param Profiler|null $profiler An instance of the profiler for profiling, or null
* @throws Exception