Sindbad~EG File Manager

<?php

declare(strict_types=1);

namespace ahrefs\AhrefsSeo;

use ahrefs\AhrefsSeo\Messages\Message;

/**
 * Abstract class for settings.
 */
abstract class Settings_Any {
	/**
	 * Load options from request.
	 *
	 * @param Ahrefs_Seo_Screen $screen Screen instance.
	 * @return string|null Error message if any.
	 */
	abstract public function apply_options( Ahrefs_Seo_Screen $screen ) : ?string;

	/**
	 * Show options block.
	 *
	 * @param Ahrefs_Seo_Screen $screen Screen instance.
	 * @param Ahrefs_Seo_View   $view View instance.
	 * @param Message|null      $error Message with already happened error if any.
	 *
	 * @return void
	 */
	abstract public function show_options( Ahrefs_Seo_Screen $screen, Ahrefs_Seo_View $view, ?Message $error = null ) : void;
}