The user was not successfully verified/enrolled, as their identity could not be verified,
or there was another issue with their verification/enrollment.
The SDK will update your app with the progress of streaming to the server and authenticating
the user. This will be called multiple time as the progress updates.
Options relating to the camera preview providing direct visualization of the user's face.
Note that NaturalFilter is available for Liveness Assurance claims only.
Attempts to use NaturalFilter for Genuine Presence Assurance claims will result in an error.