@abc.abstractproperty
    def image_scheme(self):
Extract report attributes.
dataset/ETHPy150Open openstack/bareon/bareon/drivers/data/base.py/ProvisioningDataDriverMixin.image_scheme--crossover with--dataset/ETHPy150Open google/grr/grr/lib/aff4_objects/reports.py/ClientReportIterator.IterFunction