* @license http://opensource.org/licenses/MIT MIT */ declare(strict_types=1); namespace Ramsey\Uuid\Fields; use Serializable; /** * UUIDs are comprised of unsigned integers, the bytes of which are separated * into fields and arranged in a particular layout defined by the specification * for the variant * * @psalm-immutable */ interface FieldsInterface extends Serializable { /** * Returns the bytes that comprise the fields */ public function getBytes(): string; }