lyblog/wp-content/plugins/wordpress-seo/admin/formatter/interface-metabox-formatter.php

<?php
/**
 * WPSEO plugin file.
 *
 * @package WPSEO\Admin\Formatter
 */

/**
 * Interface to force get_values.
 */
interface WPSEO_Metabox_Formatter_Interface {

	/**
	 * Returns formatter values.
	 *
	 * @return array
	 */
	public function get_values();
}