methods=methods,
                name=name,
                include_in_schema=include_in_schema,
            )
            return func

        return decorator

    def add_api_route(
        self,
        path: str,
        endpoint: Callable[..., Any],
        *,
        response_model: Any = Default(None),
        status_code: Optional[int] = None,

        if self.root_path:
            scope["root_path"] = self.root_path
        await super().__call__(scope, receive, send)

    def add_api_route(
        self,
        path: str,
        endpoint: Callable[..., Any],
        *,
        response_model: Any = Default(None),
        status_code: Optional[int] = None,

### Refactors

* 🎨 Fix typing annotation for semi-internal `FastAPI.add_api_route()`. PR [#10240](https://github.com/fastapi/fastapi/pull/10240) by [@ordinary-jamie](https://github.com/ordinary-jamie).