async def exists(self) -> bool:
        """
        Returns a bool value to confirm if there are rows matching the given criteria
        (applied with `filter` and `exclude` if set).

        Actual call delegated to QuerySet.

        :return: result of the check
        :rtype: bool
        """
        return await self.queryset.exists()

        Returns a bool value to confirm if there are rows matching the given criteria
        (applied with `filter` and `exclude` if set).

        Actual call delegated to QuerySet.

        :return: result of the check
        :rtype: bool
        
ormar/relations/querysetproxy.py