| Class | Description | 
|---|---|
| ExplorerResourcesServiceCachePolicy | 
PageElementCachePolicy for services based on explorer resources | 
| FilteredContentsServiceCachePolicy | 
PageElementCachePolicy for the filtered contents service.This implementation does not handle virtual pages based on Contents, so that it does not remove cache when Content change.  | 
| IsolatedServiceCachePolicy | 
PageElementCachePolicy for isolated services (services which don't display
 modifiable data from other objects, such as Iframe service).The shouldClearCache method always return PolicyResult.KEEP.  | 
| SitemapServiceCachePolicy | 
PageElementCachePolicy for the Sitemap service.This implementation does not handle virtual pages based on Contents, so that it does not remove cache when Content change.  |