select {
			case <-rws.stream.cw:
				err = rws.stream.closeErr
			default:
			}
		}
	}
	return err
}

func (w *http2responseWriter) CloseNotify() <-chan bool {
	rws := w.rws
	if rws == nil {
		panic("CloseNotify called after Handler finished")
	}
	rws.closeNotifierMu.Lock()
	ch := rws.closeNotifierCh
	if ch == nil {
		ch = make(chan bool, 1)
		rws.closeNotifierCh = ch

	if recordSizes == nil {
		t.Fatalf("Client encountered an error")
	}

	// Drop the size of the second to last record, which is likely to be
	// truncated, and the last record, which is a close_notify alert.
	recordSizes = recordSizes[:len(recordSizes)-2]

	// recordSizes should contain a series of records smaller than
	// tcpMSSEstimate followed by some larger than maxPlaintext.
	seenLargeRecord := false

pkg net/http, method (*ServeMux) Handler(*Request) (Handler, string)
pkg net/http, method (*Transport) CancelRequest(*Request)
pkg net/http, type CloseNotifier interface { CloseNotify }
pkg net/http, type CloseNotifier interface, CloseNotify() <-chan bool
pkg net/http, type Request struct, PostForm url.Values
pkg net/http, type Server struct, TLSNextProto map[string]func(*Server, *tls.Conn, Handler)