ContextAwareEventHandler An event handler that caches events before invoking the target handler when the associated Parsley Context is not fully initialized yet.
 StageEventFilter Utility class for filtering stage events that were only caused by reparenting a DisplayObject.
 StageEventFilterCollection Manages a group of StageEventFilters.
 ViewDefinitionLookup Utility for fetching matching ObjectDefinitions from the Context for a particular target instance.