code: public function generateFilterUrlFrom(IItem $objItem, IRenderSettings $objRenderSetting)
      {
          $arrFilterUrl = array();
          foreach ($this->arrSettings as $objSetting) {
              $arrFilterUrl = array_merge($arrFilterUrl, $objSetting->generateFilterUrlFrom($objItem, $objRenderSetting));
          }
          return $arrFilterUrl;
      }
docs: {@inheritdoc}