Method getInstance

/**
 * Returns a language object.
 *
 * @param   string   $lang   The language to use.
 * @param   boolean  $debug  The debug mode.
 *
 * @return  Language  The Language object.
 *
 * @since       1.7.0
 * @deprecated  5.0 Use the language factory instead
 */
public static function getInstance($lang, $debug = false)
{
    if (!isset(self::$languages[$lang . $debug])) {
        self::$languages[$lang . $debug] = Factory::getContainer()->get(LanguageFactoryInterface::class)->createLanguage($lang, $debug);
    }
    return self::$languages[$lang . $debug];
}