Values:
STATE_UNSPECIFIED (0):
The environment's states is unknown.
SUSPENDED (1):
The environment is not running and can't be
connected to. Starting the environment will
transition it to the PENDING state.
PENDING (2):
The environment is being started but is not
yet ready to accept connections.
RUNNING (3):
The environment is running and ready to
accept connections. It will automatically
transition back to DISABLED after a period of
inactivity or if another environment is started.
DELETING (4):
The environment is being deleted and can't be
connected to.