public function constructMustInitializeTheAttributes()
{
$builder = $this->createBuilder();
self::assertAttributeEquals(['alg' => 'none', 'typ' => 'JWT'], 'headers', $builder);
self::assertAttributeEquals([], 'claims', $builder);
self::assertAttributeEquals(null, 'signature', $builder);
self::assertAttributeSame($this->encoder, 'encoder', $builder);
self::assertAttributeSame($this->claimFactory, 'claimFactory', $builder);
}