code: @Override
  	public CPDefinitionOptionRel findByGroupId_First(long groupId,
  		OrderByComparator<CPDefinitionOptionRel> orderByComparator)
  		throws NoSuchCPDefinitionOptionRelException {
  		CPDefinitionOptionRel cpDefinitionOptionRel = fetchByGroupId_First(groupId,
  				orderByComparator);
  
  		if (cpDefinitionOptionRel != null) {
  			return cpDefinitionOptionRel;
  		}
  
  		StringBundler msg = new StringBundler(4);
  
  		msg.append(_NO_SUCH_ENTITY_WITH_KEY);
  
  		msg.append("groupId=");
  		msg.append(groupId);
  
  		msg.append("}");
  
  		throw new NoSuchCPDefinitionOptionRelException(msg.toString());
  	}
docs: Returns the first cp definition option rel 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 cp definition option rel
  @throws NoSuchCPDefinitionOptionRelException if a matching cp definition option rel could not be found