def storage_factory(self):
        raise NotImplementedError

    ####################################################
The carrier power state. This may be one of the following
dataset/ETHPy150Open dsiroky/snakemq/tests/unittests/tests_queues.py/BaseTestStorageMixin.storage_factory--crossover with--dataset/ETHPy150Open javgh/greenaddress-pos-tools/nfc/ndef/handover.py/Carrier.power_state