code: public static CommerceSubscriptionEntry fetchByG_U_First(long groupId,
  		long userId,
  		OrderByComparator<CommerceSubscriptionEntry> orderByComparator) {
  		return getPersistence()
  				   .fetchByG_U_First(groupId, userId, orderByComparator);
  	}
docs: Returns the first commerce subscription entry in the ordered set where groupId = &#63; and userId = &#63;.
  
  @param groupId the group ID
  @param userId the user ID
  @param orderByComparator the comparator to order the set by (optionally <code>null</code>)
  @return the first matching commerce subscription entry, or <code>null</code> if a matching commerce subscription entry could not be found