func newSIRIEstimatedTimetableSubscriptionBroadcaster(partner *Partner) *SIRIEstimatedTimetableSubscriptionBroadcaster {
    connector := &SIRIEstimatedTimetableSubscriptionBroadcaster{}
    connector.remoteCodeSpace = partner.RemoteCodeSpace(SIRI_ESTIMATED_TIMETABLE_SUBSCRIPTION_BROADCASTER)
    connector.vjRemoteCodeSpaces = partner.VehicleJourneyRemoteCodeSpaceWithFallback(SIRI_ESTIMATED_TIMETABLE_SUBSCRIPTION_BROADCASTER)
    connector.partner = partner