func (ejvf *XMLEstimatedJourneyVersionFrame) EstimatedVehicleJourneys() []*XMLEstimatedVehicleJourney {
    if ejvf.estimatedVehicleJourneys == nil {
        estimatedVehicleJourneys := []*XMLEstimatedVehicleJourney{}
        nodes := ejvf.findNodes("EstimatedVehicleJourney")
        for _, node := range nodes {