<?php

declare(strict_types=1);

namespace ZipStream\Zs;

use ZipStream\PackField;

/**
 * @internal
 */
abstract class ExtendedInformationExtraField
{
    private const TAG = 0x5653;

    public static function generate(): string
    {
        return PackField::pack(
            new PackField(format: 'v', value: self::TAG),
            new PackField(format: 'v', value: 0x0000),
        );
    }
}