<?php declare(strict_types=1); namespace Webauthn\MetadataService\Service; use Webauthn\MetadataService\Statement\MetadataStatement; interface MetadataService { /** * @return string[] The list of AAGUID supported by the service */ public function list(): iterable; public function has(string $aaguid): bool; public function get(string $aaguid): MetadataStatement; }