<?php 
declare(strict_types=1); 
namespace ParagonIE\Paserk\Tests; 
 
use ParagonIE\Paserk\Util; 
use ParagonIE\Paseto\Protocol\{ 
    Version3, 
    Version4 
}; 
use PHPUnit\Framework\TestCase; 
 
/** 
 * Class UtilTest 
 * @package ParagonIE\Paserk\Tests 
 * 
 * @covers Util 
 */ 
class UtilTest extends TestCase 
{ 
    public function testGetPaserkHeader() 
    { 
        $this->assertSame('k3', Util::getPaserkHeader(new Version3())); 
        $this->assertSame('k4', Util::getPaserkHeader(new Version4())); 
    } 
} 
 
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