public static function load(string $attributes, array $keys = []): IdentificatorInterface
    {
        $values = explode(";", $attributes);
        $attributes = [];
        foreach ($keys as $k => $key) {
            if (array_key_exists($k, $values)) {
                $attributes[$key] = $values[$k];
            }
        }

        return new Identificator($attributes);
    }