The type of the consumer as defined in Google Resource
Manager <https://cloud.google.com/resource-manager/>__.
Values:
CONSUMER_TYPE_UNSPECIFIED (0):
This is never used.
PROJECT (1):
The consumer is a Google Cloud Project.
FOLDER (2):
The consumer is a Google Cloud Folder.
ORGANIZATION (3):
The consumer is a Google Cloud Organization.
SERVICE_SPECIFIC (4):
Service-specific resource container which is
defined by the service producer to offer their
users the ability to manage service control
functionalities at a finer level of granularity
than the PROJECT.
