async def app(websocket: WebSocket) -> None:
        async with AsyncExitStack() as async_exit_stack:
            # TODO: remove this scope later, after a few releases
            # This scope fastapi_astack is no longer used by FastAPI, kept for
            # compatibility, just in case
            websocket.scope["fastapi_astack"] = async_exit_stack
            solved_result = await solve_dependencies(
                request=websocket,

        )

        self.user_middleware: List[Middleware] = (
            [] if middleware is None else list(middleware)
        )
        self.middleware_stack: Union[ASGIApp, None] = None
        self.setup()

    def openapi(self) -> Dict[str, Any]:
        """
        Generate the OpenAPI schema of the application. This is called by FastAPI
        internally.