public function propFind(DAV\PropFind $propFind, DAV\INode $node)
    {
        $propFind->handle('{DAV:}supportedlock', function () {
            return new DAV\Xml\Property\SupportedLock();
        });
        $propFind->handle('{DAV:}lockdiscovery', function () use ($propFind) {
            return new DAV\Xml\Property\LockDiscovery(
                $this->getLocks($propFind->getPath())
            );
        });
    }