# Package org.apache.sling.cms.core.internal.listeners

Class Summary
AutoVersioningListener: A Resource Change Listener will automatically version pages when a page is published / unpublished or an interval passes since the page was last saved.
FileMetadataExtractorListener: A Resource Change Listener which extracts the metadata from sling:Files when they are uploaded.
RenditionCleaner

Annotation Types Summary
AutoVersioningListenerConfig: Configuration for the auto versioning listener