The support status of the SDK used to run the job.
Values:
UNKNOWN (0):
Cloud Dataflow is unaware of this version.
SUPPORTED (1):
This is a known version of an SDK, and is
supported.
STALE (2):
A newer version of the SDK family exists, and
an update is recommended.
DEPRECATED (3):
This version of the SDK is deprecated and
will eventually be unsupported.
UNSUPPORTED (4):
Support for this SDK version has ended and it
should no longer be used.
