// Send whitespace and keep connection open
				if _, err := w.Write([]byte(" ")); err != nil {
					return
				}
				w.(http.Flusher).Flush()
			case hr := <-respCh:
				switch hr.apiErr {
				case noError:
					if started {
						if _, err := w.Write(hr.respBytes); err != nil {
							return
						}
						w.(http.Flusher).Flush()
					} else {
						writeSuccessResponseJSON(w, hr.respBytes)
					}