def __call__(
        self, name: str | None = None, *, unbound_message: str | None = None
    ) -> LocalProxy[t.Any]:
        """Create a :class:`LocalProxy` that accesses the top of this
        local stack.

        :param name: If given, the proxy access this attribute of the
            top item, rather than the item itself.
        :param unbound_message: The error message that the proxy will
            show if the stack is empty.
        """
        return LocalProxy(self, name, unbound_message=unbound_message)
Create a :class:`LocalProxy` that accesses the top of this
        local stack.

        :param name: If given, the proxy access this attribute of the
            top item, rather than the item itself.
        :param unbound_message: The error message that the proxy will
            show if the stack is empty.
        
src/werkzeug/local.py