code: public function getCatEngine(RouteItem $routeItem = null)
      {
          $compiledDirectory = $this->getCompilationDirectory()['private'];
          $adaptiveSectionMap = $this->getServiceManager()->get(CatService::SERVICE_ID)->getAdaptiveSectionMap($compiledDirectory);
          $routeItem = $routeItem ? $routeItem : $this->getTestSession()->getRoute()->current();
  
          $sectionId = $routeItem->getAssessmentSection()->getIdentifier();
          $catEngine = false;
  
          if (isset($adaptiveSectionMap[$sectionId])) {
              $catEngine = $this->getServiceManager()->get(CatService::SERVICE_ID)->getEngine($adaptiveSectionMap[$sectionId]['endpoint']);
          }
  
          return $catEngine;
      }
docs: Get Cat Engine Implementation
  
  Get the currently configured Cat Engine implementation.
  
  @return \oat\libCat\CatEngine