/**
* Exclude object from result
*
* @param ChildConnection $connection Object to remove from the list of results
*
* @return $this|ChildConnectionQuery The current query, for fluid interface
*/
public function prune($connection = null)
{
if ($connection) {
$this->addUsingAlias(ConnectionTableMap::COL_ID, $connection->getId(), Criteria::NOT_EQUAL);
}
return $this;
}
