return "secondCarPropertyRegistry";
return parkingDocument.getParkingFile().getFilename();
    public String getSecondCarPropertyRegistryFileName() {        for (ParkingDocument parkingDocument : getParkingDocuments()) {            if (parkingDocument.getParkingDocumentType().equals(                    ParkingDocumentType.SECOND_CAR_PROPERTY_REGISTER)) {                return "secondCarPropertyRegistry";            }        }        return "";    }