original_string: public function routeClass($routeClass = null)
      {
          deprecationWarning(
              'RouteBuilder::routeClass() is deprecated. ' .
              'Use RouteBuilder::setRouteClass()/getRouteClass() instead.'
          );
          if ($routeClass === null) {
              return $this->getRouteClass();
          }
          $this->setRouteClass($routeClass);
      }
code: public function routeClass($routeClass = null)
      {
          deprecationWarning(
              'RouteBuilder::routeClass() is deprecated. ' .
              'Use RouteBuilder::setRouteClass()/getRouteClass() instead.'
          );
          if ($routeClass === null) {
              return $this->getRouteClass();
          }
          $this->setRouteClass($routeClass);
      }
code_tokens: public function routeClass ( $ routeClass = null ) { deprecationWarning ( 'RouteBuilder::routeClass() is deprecated. ' . 'Use RouteBuilder::setRouteClass()/getRouteClass() instead.' ) ; if ( $ routeClass === null ) { return $ this -> getRouteClass ( ) ; } $ this -> setRouteClass ( $ routeClass ) ; }
docstring: Get or set default route class.
  
  @deprecated 3.5.0 Use getRouteClass/setRouteClass instead.
  @param string|null $routeClass Class name.
  @return string|null
docstring_tokens: Get or set default route class .