public function toSddl($canonicalize = true)
    {
        // These will always be present in the SDDL...
        $sddl = 'O:'.($this->owner->getShortName() ?: $this->owner).'G:'.($this->group->getShortName() ?: $this->group);

        foreach ([$this->dacl, $this->sacl] as $acl) {
            // It should be omitted if empty or not set...
            if ($acl && count($acl->getAces()) > 0) {
                $sddl .= $acl->getSddlIdentifier().':'.$this->getAclSddlFlags($acl);
                $sddl .= $acl instanceof Dacl ? $acl->toSddl($canonicalize) : $acl->toSddl();
            }
        }

        return $sddl;
    }