public function getAssetFiles($type = null)
 {
     $files = parent::getAssetFiles(null);
     $files[0][] = 'nucleus/style.css';
     $files[1][] = 'nucleus/NucleusDebugBar.js';
     foreach ($this->debugBar->getCollectors() as $collector) {
         if ($collector instanceof IAssetProvider) {
             $files[0] = array_merge($files[0], $collector->getCssFiles());
             $files[1] = array_merge($files[1], $collector->getJsFiles());
         }
     }
     return $this->filterAssetArray($files, $type);
 }