org.mule.context.notification
Classes 
ClusterNodeNotification
ComponentMessageNotification
ConnectionNotification
CustomNotification
EndpointMessageNotification
ExceptionNotification
FlowConstructNotification
ListenerSubscriptionPair
ManagementNotification
MessageProcessorNotification
ModelNotification
MuleContextNotification
OptimisedNotificationHandler
RegistryNotification
RoutingNotification
SecurityNotification
ServerNotificationManager
ServiceNotification
TransactionNotification
Exceptions 
NotificationException