Types
Object = #objref
Added = Removed = EventTypeSeq
EventTypeSeq = [type]
Reply = ok | {'EXCEPTION', CosNotifyComm_InvalidEventType{type}}
type = #'CosNotification_EventType'{domain_name, type_name}
domain_name = type_name = string()
This operation takes as input two sequences of event type names specifying events the client will and will not accept in the future respectively.