Enum of the current types in the category.
We might add more types in the future.
Values:
TYPE_UNSPECIFIED (0):
Unused type
PII (1):
Personally identifiable information, for
example, a name or phone number
SPII (2):
Personally identifiable information that is
especially sensitive, for example, a passport
number.
DEMOGRAPHIC (3):
Attributes that can partially identify
someone, especially in combination with other
attributes, like age, height, and gender.
CREDENTIAL (4):
Confidential or secret information, for
example, a password.
GOVERNMENT_ID (5):
An identification document issued by a
government.
DOCUMENT (6):
A document, for example, a resume or source
code.
CONTEXTUAL_INFORMATION (7):
Information that is not sensitive on its own,
but provides details about the circumstances
surrounding an entity or an event.
