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1<?php
2
3declare(strict_types=1);
4
5namespace Phpdftk\Pdf\Core;
6
7/**
8 * Represents an indirect reference to another PDF object: X 0 R
9 */
10class PdfReference implements Serializable
11{
12    public function __construct(
13        public readonly int $objectNumber,
14        public readonly int $generationNumber = 0,
15    ) {}
16
17    public function toPdf(): string
18    {
19        return sprintf('%d %d R', $this->objectNumber, $this->generationNumber);
20    }
21}