) throws Error.Failure, Error.InvalidNumber {
try (final RegistrationManager registrationManager = c.getNewRegistrationManager(number)) {
registrationManager.verifyAccount(verificationCode, pin);
) throws Error.Failure, Error.InvalidNumber {
try (final RegistrationManager registrationManager = c.getNewRegistrationManager(number)) {
registrationManager.verifyAccount(verificationCode, pin);