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