Values:
STATE_UNSPECIFIED (0):
Case is in an unknown state.
NEW (1):
The case has been created but no one is
assigned to work on it yet.
IN_PROGRESS_GOOGLE_SUPPORT (2):
The case is currently being handled by Google
support.
ACTION_REQUIRED (3):
Google is waiting for a response.
SOLUTION_PROVIDED (4):
A solution has been offered for the case, but
it isn't yet closed.
CLOSED (5):
The case has been resolved.
