fingerprintUserVerifier abstract method Null safety

OutOfBandRegistration fingerprintUserVerifier(
  1. FingerprintUserVerifier fingerprintUserVerifier
)

Specifies the object that will take care of the fingerprint user verification. It must be provided only if a fingerprint authenticator must be registered.

IMPORTANT
Providing at least one of the PinEnroller, BiometricUserVerifier or FingerprintUserVerifier is required.

Params:

Returns: an OutOfBandRegistration object.

Implementation

OutOfBandRegistration fingerprintUserVerifier(
  FingerprintUserVerifier fingerprintUserVerifier,
);