protected function setImageinfoParams()
    {
        $this->logger->debug('Base:setImageinfoParams');
        $this->setParam('prop', 'imageinfo');
        $this->setParam('iiprop', 'url|size|mime|thumbmime|user|userid|sha1|timestamp|extmetadata');
        $this->setParam('iiextmetadatafilter', 'LicenseShortName|UsageTerms|AttributionRequired|'
                        .'Restrictions|Artist|ImageDescription|DateTimeOriginal');
        $this->setParam('iiurlwidth', $this->thumbnailWidth);
    }