239     return Void();  in getHardwareInfo()
252     return Void();  in getHmacSharingParameters()
275     return Void();  in computeSharedHmac()
305     return Void();  in verifyAuthorization()
336     return Void();  in generateKey()
356     return Void();  in getKeyCharacteristics()
379     return Void();  in importKey()
406     return Void();  in importWrappedKey()
427     return Void();  in exportKey()
445     return Void();  in attestKey()
465     return Void();  in upgradeKey()
512     return Void();  in begin()
538     return Void();  in update()
564     return Void();  in finish()