public function findAssociationPerformancelevels()
    {
        $xmlQuery = $this->metaApiService->getAssociationPerformancelevels();

        $performancelevels = new Performancelevels();

        $mapper = new \RGU\Dvoconnector\Mapper\AssociationPerformancelevels($xmlQuery);
        $mapper->mapToAbstractEntity($performancelevels);

        return $performancelevels;
    }