Values:
CLOUD_SHELL_ERROR_CODE_UNSPECIFIED (0):
An unknown error occurred.
IMAGE_UNAVAILABLE (1):
The image used by the Cloud Shell environment
either does not exist or the user does not have
access to it.
CLOUD_SHELL_DISABLED (2):
Cloud Shell has been disabled by an
administrator for the user making the request.
TOS_VIOLATION (4):
Cloud Shell has been permanently disabled due
to a Terms of Service violation by the user.
QUOTA_EXCEEDED (5):
The user has exhausted their weekly Cloud
Shell quota, and Cloud Shell will be disabled
until the quota resets.
ENVIRONMENT_UNAVAILABLE (6):
The Cloud Shell environment is unavailable
and cannot be connected to at the moment.
