code: @Override
  	public CommerceShippingFixedOption fetchByCommerceShippingMethodId_First(
  		long commerceShippingMethodId,
  		OrderByComparator<CommerceShippingFixedOption> orderByComparator) {
  		List<CommerceShippingFixedOption> list = findByCommerceShippingMethodId(commerceShippingMethodId,
  				0, 1, orderByComparator);
  
  		if (!list.isEmpty()) {
  			return list.get(0);
  		}
  
  		return null;
  	}
docs: Returns the first commerce shipping fixed option in the ordered set where commerceShippingMethodId = &#63;.
  
  @param commerceShippingMethodId the commerce shipping method ID
  @param orderByComparator the comparator to order the set by (optionally <code>null</code>)
  @return the first matching commerce shipping fixed option, or <code>null</code> if a matching commerce shipping fixed option could not be found