Values:
ANNOTATION_UNSPECIFIED (0):
Default unspecified type.
LEGITIMATE (1):
Provides information that the event turned
out to be legitimate.
FRAUDULENT (2):
Provides information that the event turned
out to be fraudulent.
PASSWORD_CORRECT (3):
Provides information that the event was related to a login
event in which the user typed the correct password.
Deprecated, prefer indicating CORRECT_PASSWORD through the
reasons field instead.
PASSWORD_INCORRECT (4):
Provides information that the event was related to a login
event in which the user typed the incorrect password.
Deprecated, prefer indicating INCORRECT_PASSWORD through the
reasons field instead.
