public function getRecommLists()
    {
        if ($this->_oSearchRecommLists === null) {
            $this->_oSearchRecommLists = [];
            if (!$this->getActiveRecommList()) {
                // list of found oxrecommlists
                $oRecommList = oxNew(\OxidEsales\Eshop\Application\Model\RecommendationList::class);
                $oList = $oRecommList->getSearchRecommLists($this->getRecommSearch());
                if ($oList && $oList->count()) {
                    $this->_oSearchRecommLists = $oList;
                }
            }
        }

        return $this->_oSearchRecommLists;
    }