||This class provides the base implementation and
interfaces for creating collection filters with cache management.
||This filter chains together two or more CachedCollectionFilters.
||This object is used as the key for collections in a filter cache.
||This contains all of the public constants, including messsage strings
read from the resource file.
||This filter will filter objects in the collection by the startDate
and endDate properties.
||This filter uses a collection of validators to filter objects in the collection.