code: public static CommerceDiscountUserSegmentRel fetchByCommerceDiscountId_First(
  		long commerceDiscountId,
  		OrderByComparator<CommerceDiscountUserSegmentRel> orderByComparator) {
  		return getPersistence()
  				   .fetchByCommerceDiscountId_First(commerceDiscountId,
  			orderByComparator);
  	}
docs: Returns the first commerce discount user segment rel in the ordered set where commerceDiscountId = &#63;.
  
  @param commerceDiscountId the commerce discount ID
  @param orderByComparator the comparator to order the set by (optionally <code>null</code>)
  @return the first matching commerce discount user segment rel, or <code>null</code> if a matching commerce discount user segment rel could not be found