original_string: protected function loadRoutes(): RouteCollection
      {
          $builder = $this->getRouteCollectionBuilder();
  
          if (\is_callable($this->routeCallback)) {
              call_user_func($this->routeCallback, $builder);
          }
  
          return $builder->build();
      }
code: protected function loadRoutes(): RouteCollection
      {
          $builder = $this->getRouteCollectionBuilder();
  
          if (\is_callable($this->routeCallback)) {
              call_user_func($this->routeCallback, $builder);
          }
  
          return $builder->build();
      }
code_tokens: protected function loadRoutes ( ) : RouteCollection { $ builder = $ this -> getRouteCollectionBuilder ( ) ; if ( \ is_callable ( $ this -> routeCallback ) ) { call_user_func ( $ this -> routeCallback , $ builder ) ; } return $ builder -> build ( ) ; }
docstring: Returns routes for request handling.
  
  @return RouteCollection
docstring_tokens: Returns routes for request handling .