Classes
 ClassDescription
 AdVariant 
 InsertionPointType Types of insertion points.
 PlayerState The PlayerState static constants sould be used to inform the AdPlayer about the current state of the client video player.
 Tracking 
 VpAdModuleName Strings representing possible AdModules within the adplayer.
 VpAdModuleUpdateType Valid types of updates that can be passed to the update method of a VpAdModule