def route(self, rule: str, **options: t.Any) -> t.Callable[[T_route], T_route]:
        """Decorate a view function to register it with the given URL
        rule and options. Calls :meth:`add_url_rule`, which has more
        details about the implementation.

        .. code-block:: python

            @app.route("/")
            def index():
                return "Hello, World!"

        See :ref:`url-route-registrations`.

        The endpoint name for the route defaults to the name of the view
        function if the ``endpoint`` parameter isn't passed.

        The ``methods`` parameter defaults to ``["GET"]``. ``HEAD`` and
        ``OPTIONS`` are added automatically.

        :param rule: The URL rule string.
        :param options: Extra options passed to the
            :class:`~werkzeug.routing.Rule` object.
        """

        def decorator(f: T_route) -> T_route:
            endpoint = options.pop("endpoint", None)
            self.add_url_rule(rule, endpoint, f, **options)
            return f

        return decorator
Decorate a view function to register it with the given URL
        rule and options. Calls :meth:`add_url_rule`, which has more
        details about the implementation.

        .. code-block:: python

            @app.route("/")
            def index():
                return "Hello, World!"

        See :ref:`url-route-registrations`.

        The endpoint name for the route defaults to the name of the view
        function if the ``endpoint`` parameter isn't passed.

        The ``methods`` parameter defaults to ``["GET"]``. ``HEAD`` and
        ``OPTIONS`` are added automatically.

        :param rule: The URL rule string.
        :param options: Extra options passed to the
            :class:`~werkzeug.routing.Rule` object.
        
src/flask/sansio/scaffold.py