code: public static function getDefaultPath($template, $format)
  	{
  		$file = $template . '.' . $format;
  		$container = System::getContainer();
  		$rootDir = $container->getParameter('kernel.project_dir');
  
  		if (isset(self::$files[$template]))
  		{
  			return $rootDir . '/' . self::$files[$template] . '/' . $file;
  		}
  
  		$strPath = null;
  
  		try
  		{
  			// Search for the template if it is not in the lookup array (last match wins)
  			foreach ($container->get('contao.resource_finder')->findIn('templates')->name($file) as $file)
  			{
  				/** @var SplFileInfo $file */
  				$strPath = $file->getPathname();
  			}
  		}
  		catch (\InvalidArgumentException $e) {}
  
  		if ($strPath !== null)
  		{
  			return $strPath;
  		}
  
  		throw new \Exception('Could not find template "' . $template . '"');
  	}
docs: Return the path to the default template
  
  @param string $template The template name
  @param string $format   The output format (e.g. "html5")
  
  @return string The path to the default template file
  
  @throws \Exception If $template does not exist