Method createLanguage

/**
 * Method to get an instance of a language.
 *
 * @param   string   $lang   The language to use
 * @param   boolean  $debug  The debug mode
 *
 * @return  Language
 *
 * @since   4.0.0
 */
public function createLanguage($lang, $debug = false) : Language
{
    if (!isset(self::$languages[$lang . $debug])) {
        self::$languages[$lang . $debug] = parent::createLanguage($lang, $debug);
    }
    return self::$languages[$lang . $debug];
}