Gives a chance to middlewares to make the translation flags

async def get_trans_flags(self) -> 'Flags':
        """
        Gives a chance to middlewares to make the translation flags
        """

        from bernard.middleware import MiddlewareManager

        async def make_flags(request: Request) -> 'Flags':
            return {}

        mf = MiddlewareManager.instance().get('make_trans_flags', make_flags)
        return await mf(self)