private ConfigPersistenceService registerConfigPersistence() {
DummyConfigPersistenceService<String> backend = new DummyConfigPersistenceService<String>();
Dictionary<String, Object> props = new Hashtable<String, Object>();
props.put(Constants.CONFIGURATION_ID, Constants.CONFIG_CONNECTOR);
props.put(Constants.BACKEND_ID, "dummy");
DefaultConfigPersistenceService configPersistence = new DefaultConfigPersistenceService(backend);
registerService(configPersistence, props, ConfigPersistenceService.class);
return configPersistence;
}