code: public function execute()
      {
          $result = $this->resultJson->create();
  
          try {
              $service = $this->api->checkServiceDetails();
              if (!$service) {
                  return $result->setData([
                      'status'    => false,
                      'msg'       => 'Failed to check Service details.'
                  ]);
              }
  
              return $result->$this->acl->determineVersions($service->versions);
          } catch (\Exception $e) {
              return $result->setData([
                  'status'    => false,
                  'msg'       => $e->getMessage()
              ]);
          }
      }
docs: Get ACL
  
  @return $this|\Magento\Framework\App\ResponseInterface|\Magento\Framework\Controller\ResultInterface