code: public function addNamedRoute($name, $httpMethod, $routeData, $handler)
      {
          $handler = array(
              'name' => $name,
              'handler' => $handler,
          );
  
          $this->addRoute($httpMethod, $routeData, $handler);
      }
docs: Adds a named route to the data generator
  
  The handler doesn't necessarily need to be a callable, it
  can be arbitrary data that will be returned when the route
  matches.
  
  @param string $name
  @param string $httpMethod
  @param array  $routeData
  @param mixed  $handler
  
  @return void