def jellyFor(self, jellier):
        """serialize me (only for the broker I'm for) as the original cached reference
        """
        if jellier.invoker is None:
            return getInstanceState(self, jellier)
        assert jellier.invoker is self.broker, "You cannot exchange cached proxies between brokers."
        return b'lcache', self.luid
serialize me (only for the broker I'm for) as the original cached reference
        
stackoverflow/venv/lib/python3.6/site-packages/twisted/spread/flavors.py