@property
    def _cluster_stub(self):
        if not self._admin:
            raise ValueError('Client is not an admin client.')
        if self._cluster_stub_internal is None:
            raise ValueError('Client has not been started.')
        return self._cluster_stub_internal
Checks if a directory contains specified file
dataset/ETHPy150Open GoogleCloudPlatform/gcloud-python/gcloud/bigtable/client.py/Client._cluster_stub--crossover with--dataset/ETHPy150Open spywhere/Javatar/utils/utils.py/Utils.contains_file