The CacheItemArgs class provides an EventArgs implementation for the CacheItemExpiredCallback delegate

The CBO class generates objects.

The Config class provides access to the web.config file

The DataCache class is a facade class for the CachingProvider Instance's

HtmlUtils is a Utility class that provides Html Utility methods

The ObjectMappingInfo class is a helper class that holds the mapping information for a particular type. This information is in two parts: - Information about the Database Table that the object is mapped to - Information about how the object is cached. For each object, when it is first accessed, reflection is used on the class and an instance of ObjectMappingInfo is created, which is cached for performance.

The XmlUtils class provides Shared/Static methods for manipulating xml files

The CacheItemExpiredCallback delegate defines a callback method that notifies the application when a CacheItem is Expired (when an attempt is made to get the item)