Edit: class-endpoint.php

<?php /** * WPSEO plugin file. * * @package WPSEO\Admin\Endpoints */ /** * Dictates the required methods for an Endpoint implementation. */ interface WPSEO_Endpoint { /** * Registers the routes for the endpoints. * * @return void */ public function register(); /** * Determines whether or not data can be retrieved for the registered endpoints. * * @return bool Whether or not data can be retrieved. */ public function can_retrieve_data(); }

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