36     _hidl_cb({Status::OK, kDeviceId});  in setCallback()
46     return Status::OK;  in setActiveUser()
52     _hidl_cb({Status::OK, dist(mRandom)});  in generateChallenge()
60     return Status::OK;  in enroll()
64     return Status::OK;  in revokeChallenge()
82     _hidl_cb({Status::OK, kAuthenticatorId});  in getAuthenticatorId()
88     return Status::OK;  in cancel()
93     return Status::OK;  in enumerate()
97     return Status::OK;  in remove()
102     return Status::OK;  in authenticate()
106     return Status::OK;  in userActivity()
110     return Status::OK;  in resetLockout()