code: public static function preload()
  	{
  		// Load the default files
  		include __DIR__ . '/../../config/default.php';
  		include __DIR__ . '/../../config/agents.php';
  		include __DIR__ . '/../../config/mimetypes.php';
  
  		$rootDir = System::getContainer()->getParameter('kernel.project_dir');
  
  		// Include the local configuration file
  		if (($blnHasLcf = file_exists($rootDir . '/system/config/localconfig.php')) === true)
  		{
  			include $rootDir . '/system/config/localconfig.php';
  		}
  
  		static::loadParameters();
  
  		static::$blnHasLcf = $blnHasLcf;
  	}
docs: Preload the default and local configuration