docs: @Override
  	public CPRule fetchByGroupId_First(long groupId,
  		OrderByComparator<CPRule> orderByComparator) {
  		List<CPRule> list = findByGroupId(groupId, 0, 1, orderByComparator);
  
  		if (!list.isEmpty()) {
  			return list.get(0);
  		}
  
  		return null;
  	}