] = Default(generate_unique_id),
    ) -> None:
        super().__init__(
            routes=routes,
            redirect_slashes=redirect_slashes,
            default=default,
            on_startup=on_startup,
            on_shutdown=on_shutdown,
            lifespan=lifespan,
        )
        if prefix:
            assert prefix.startswith("/"), "A path prefix must start with '/'"