/**
  * Get routes protected by permissions
  *
  * @return array
  */
 protected function getProtectedRoutes()
 {
     if ($this->protectedRoutes === null) {
         $this->protectedRoutes = [];
         $routeList = $this->permissionService->getProtectedRouteList();
         if (count($routeList) > 0) {
             $this->protectedRoutes = array_column($routeList, 'route_action_name', 'route_name');
         }
     }
     return $this->protectedRoutes;
 }