docs: @Override
  	public CPInstance fetchByG_ST_Last(long groupId, int status,
  		OrderByComparator<CPInstance> orderByComparator) {
  		int count = countByG_ST(groupId, status);
  
  		if (count == 0) {
  			return null;
  		}
  
  		List<CPInstance> list = findByG_ST(groupId, status, count - 1, count,
  				orderByComparator);
  
  		if (!list.isEmpty()) {
  			return list.get(0);
  		}
  
  		return null;
  	}