public static function getBooleanStrings(bool $state = null): array
    {
        $strings = [
            false => ['', '0', 'false', 'no', 'off'],
            true => ['1', 'true', 'yes', 'on']
        ];
        
        return isset($state) ? $strings[$state] : array_merge($strings[false], $strings[true]);
    }