docs: @Override
  	public CommerceOrder fetchByBillingAddressId_First(long billingAddressId,
  		OrderByComparator<CommerceOrder> orderByComparator) {
  		List<CommerceOrder> list = findByBillingAddressId(billingAddressId, 0,
  				1, orderByComparator);
  
  		if (!list.isEmpty()) {
  			return list.get(0);
  		}
  
  		return null;
  	}