FBAdSDKNotificationManager

@interfaceFBAdSDKNotificationManager:NSObject/** Adds a listener to SDK events @param listener The listener to receive notification when the event happens Note that SDK will hold a weak reference to listener object */+(void)addFBAdSDKNotificationListener:(id<FBAdSDKNotificationListener>)listener;/** Adds a listener to SDK events @param listener The listener to be removed from notification list. You can call this method when you no longer want to receive SDK notifications. */+(void)removeFBAdSDKNotificationListener:(id<FBAdSDKNotificationListener>)listener;@end