// Create WebSocket server, including particular streams requested. If this websocket
	// endpoint is not able to be upgraded, the websocket library will return errors
	// to the client.
	websocketStreams, err := webSocketServerStreams(req, w, h.Options)
	if err != nil {
		// Client error increments bad request status code.
		metrics.IncStreamTranslatorRequest(req.Context(), strconv.Itoa(http.StatusBadRequest))
		return
	}

	resizeChan   chan remotecommand.TerminalSize
	tty          bool
}

// Create WebSocket server streams to respond to a WebSocket client. Creates the streams passed
// in the stream options.
func webSocketServerStreams(req *http.Request, w http.ResponseWriter, opts Options) (*conns, error) {
	ctx, err := createWebSocketStreams(req, w, opts)
	if err != nil {
		return nil, err
	}

	if ctx.resizeStream != nil {