private CacheConfiguration cacheParams;
public GeofencePage() {
// extracts cfg object from the registered probe instance
GeoFenceConfigurationManager configManager = GeoServerExtensions.bean(GeoFenceConfigurationManager.class);
config = configManager.getConfiguration().clone();
cacheParams = configManager.getCacheConfiguration().clone();
final IModel<GeoFenceConfiguration> configModel = getGeoFenceConfigModel();
final IModel<CacheConfiguration> cacheModel = getCacheConfigModel();
Form<IModel<GeoFenceConfiguration>> form = new Form<IModel<GeoFenceConfiguration>>(