verificationState 
  Indicates the veracity of a finding.
The available values for VerificationState are as follows.
- UNKNOWN– The default disposition of a security finding
- TRUE_POSITIVE– The security finding is confirmed
- FALSE_POSITIVE– The security finding was determined to be a false alarm
- BENIGN_POSITIVE– A special case of- TRUE_POSITIVEwhere the finding doesn't pose any threat, is expected, or both