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