@Override
    public void delete(final String username, final long deviceId) {
    }
This is {@link ClosedYubiKeyAccountRegistry}.

@author Misagh Moayyed
@since 5.2.0
support/cas-server-support-yubikey-core/src/main/java/org/apereo/cas/adaptors/yubikey/registry/ClosedYubiKeyAccountRegistry.java