public function delete_share_dataowner_sysaccount($shareid) {
        $shareid = (int) $shareid;
        $deleteshareparams = [
            'share_id' => $shareid
        ];
        $deleteshareresponse = $this->ocsclient->call('delete_share', $deleteshareparams);
        $xml = simplexml_load_string($deleteshareresponse);

        if (empty($xml->meta->statuscode) || $xml->meta->statuscode != 100 ) {
            notification::warning('You just shared a file with a access controlled link.
             However, the share between you and the systemaccount could not be deleted and is still present in your instance.');
        }
    }