https://docs.cloud.google.com/python/docs/reference/dataflow/latest/google.cloud.dataflow_v1beta3.services.snapshots_v1_beta3.SnapshotsV1Beta3AsyncClient.html
Class SnapshotsV1Beta3AsyncClient (0.13.0) | Python client libraries | Google Cloud Documentation
python clientgoogle cloudclasslibrariesdocumentation