Specifies what happens to a resource when a Cloud Dataflow
google.dataflow.v1beta3.Job][google.dataflow.v1beta3.Job] has
completed.
Values:
TEARDOWN_POLICY_UNKNOWN (0):
The teardown policy isn't specified, or is
unknown.
TEARDOWN_ALWAYS (1):
Always teardown the resource.
TEARDOWN_ON_SUCCESS (2):
Teardown the resource on success. This is
useful for debugging failures.
TEARDOWN_NEVER (3):
Never teardown the resource. This is useful
for debugging and development.