GoogleSource::convertLang

public function convertLang(string $bitrixLang): string
{
	$langMap = [
		'br' => 'pt-BR',	// Portuguese (Brazil)
		'la' => 'es', 		// Spanish
		'sc' => 'zh-CN', 	// Chinese (Simplified)
		'tc' => 'zh-TW', 	// Chinese (Traditional)
		'vn' => 'vi', 		// Vietnamese
		'ua' => 'uk', 		// Ukrainian
	];

	return $langMap[$bitrixLang] ?? $bitrixLang;
}