/**
* deny ARO access to ACO
*
* @param string $aro ARO The requesting object identifier.
* @param string $aco ACO The controlled object identifier.
* @param string $action Action (defaults to *)
* @return bool Success
*/
public function deny($aro, $aco, $action = "*")
{
return $this->Aco->access($this->Aro->resolve($aro), $aco, $action, 'deny');
}