private static void SetupPushBasedStreams()
{
RequestStream = Observable.FromEventPattern <EventArgs <string> >(ev => RequestEvent += ev, ev => RequestEvent -= ev);
ResponseStream = RequestStream
.Select(url => {
var client = new HttpClient();
var response = client.GetAsync(url.EventArgs.Value).Result;
return(Parse(response.Content.ReadAsStringAsync().Result).ToObservable());
}).SelectMany(d => d);
var readySubject = new Subject <string>();
ReadyStream = (IObservable <string>)readySubject;
ReadyStreamW = (IObserver <string>)readySubject;
}