Classes
 ClassDescription
 MediaError Extends the Notification class and sets the type member only to ERROR value.
 MediaInfo Extends the Notification class and sets the type member only to INFO value.
 MediaWarning Extends the Notification class and sets the type member only to WARNING value.
 Notification 
 NotificationCodes Class providing numeric constants for the notification objects used in P-SDK to notify informational messages, warnings and errors
 NotificationHistory Class used to store a log of notification objects maintained by a MediaPlayerItem
 NotificationHistoryItem Defines an entry in the circular list in NotificationHistory and holds the notification together with other helper members.
 NotificationMetadataKeys Holds the constants for the strings used as keys in the metadata property of the Notification class
 NotificationTypes Holds the constants for the strings used as value for 'type' member in the Notification class.