/**
  * Constructor.
  *
  * @param sfServiceContainerBuilder $container A sfServiceContainerBuilder instance
  * @param string|array              $paths     A path or an array of paths where to look for resources
  */
 public function __construct(sfServiceContainerBuilder $container = null, $paths = array())
 {
     parent::__construct($container);
     if (!is_array($paths)) {
         $paths = array($paths);
     }
     $this->paths = $paths;
 }