1<?php
2
3namespace Mpdf\Barcode;
4
5interface BarcodeInterface
6{
7
8	/**
9	 * @return string
10	 */
11	public function getType();
12
13	/**
14	 * @return mixed[]
15	 */
16	public function getData();
17
18	/**
19	 * @param string $key
20	 *
21	 * @return mixed
22	 */
23	public function getKey($key);
24
25	/**
26	 * @return string
27	 */
28	public function getChecksum();
29
30}
31