public static function getFormatPatternByGostType($gost_type)
    {
        foreach (static::$patterns_and_types_map as $format_pattern => $gost_types) {
            foreach ((array) $gost_types as $iterated_gost_type) {
                if ($iterated_gost_type === $gost_type) {
                    return $format_pattern;
                }
            }
        }
    }