Values:
STATE_UNSPECIFIED (0):
State not set.
CREATING (1):
Memcached instance is being created.
READY (2):
Memcached instance has been created and ready
to be used.
UPDATING (3):
Memcached instance is updating configuration
such as maintenance policy and schedule.
DELETING (4):
Memcached instance is being deleted.
PERFORMING_MAINTENANCE (5):
Memcached instance is going through
maintenance, e.g. data plane rollout.