FolderLink::deleteTree

public function deleteTree($deletedBy)
{
	/** @var Sharing $sharing */
	$sharing = Sharing::load(array(
		'LINK_OBJECT_ID' => $this->getId(),
	));
	if($sharing)
	{
		$sharing->setAttributes(array('LINK_OBJECT' => $this));
		$sharing->decline($deletedBy, false);
	}

	return parent::deleteNonRecursive($deletedBy);
}