class ZTSImpl implements KeyStore, ZTSHandler {

    boolean isAuthorizedServicePrincipal(final Principal principal) {
        final String authorizedService = principal.getAuthorizedService();
        return (authorizedService != null && !authorizedService.isEmpty());
    }

    public  ZTSImpl();
    public  ZTSImpl(CloudStore implCloudStore, DataStore implDataStore);

}