def installWaker(self):
        if not self.waker:
            self.waker = _Waker(self)
            self._internalReaders.add(self.waker)
            self.addReader(self.waker)
If is_create is True, protocol and action become mandatory arguments.
dataset/ETHPy150Open kuri65536/python-for-android/python-modules/twisted/twisted/internet/posixbase.py/PosixReactorBase.installWaker--crossover with--dataset/ETHPy150Open openstack/python-neutronclient/neutronclient/neutron/v2_0/fw/firewallrule.py/_add_common_args