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