RESULT play(const eServiceReference &, ePtr<iPlayableService> &ptr);
RESULT record(const eServiceReference &, ePtr<iRecordableService> &ptr);
RESULT list(const eServiceReference &, ePtr<iListableService> &ptr);
RESULT play(const eServiceReference &, ePtr<iPlayableService> &ptr);
RESULT record(const eServiceReference &, ePtr<iRecordableService> &ptr);
RESULT list(const eServiceReference &, ePtr<iListableService> &ptr);