] = 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 '/'"

        ] = {}
        self.router: routing.APIRouter = routing.APIRouter(
            routes=routes,
            redirect_slashes=redirect_slashes,
            dependency_overrides_provider=self,
            on_startup=on_startup,
            on_shutdown=on_shutdown,
            lifespan=lifespan,
            default_response_class=default_response_class,
            dependencies=dependencies,
            callbacks=callbacks,