@abc.abstractmethod
    def validate(self, remote, reconcile=True, **kwargs):
        pass
Can dump all data to json format
dataset/ETHPy150Open openstack/sahara/sahara/plugins/images.py/ImageValidator.validate--crossover with--dataset/ETHPy150Open mathcamp/pypicloud/tests/test_access_backends.py/TestSQLBackend.test_dump