docs: private Travel getTravel(BudgetPeriodDto periodInfo) {
  
  		Travel travel = Travel.Factory.newInstance();
  		if (periodInfo != null) {
  			if (periodInfo.getDomesticTravelCost() != null) {
  				travel.setDomesticTravelCost(periodInfo.getDomesticTravelCost()
  						.bigDecimalValue());
  			}
  			if (periodInfo.getForeignTravelCost() != null) {
  				travel.setForeignTravelCost(periodInfo.getForeignTravelCost()
  						.bigDecimalValue());
  			}
  			if (periodInfo.getTotalTravelCost() != null) {
  				travel.setTotalTravelCost(periodInfo.getTotalTravelCost()
  						.bigDecimalValue());
  			}
  		}
  		return travel;
  	}