View file File name : checklist-module-interface.php Content :<?php namespace Elementor\Modules\Checklist; use Elementor\Core\Isolation\Wordpress_Adapter; if ( ! defined( 'ABSPATH' ) ) { exit; // Exit if accessed directly. } interface Checklist_Module_Interface { public function get_name() : string; public function is_experiment_active() : bool; public function get_user_progress_from_db() : array; public function get_step_progress( $step_id ) : ?array; public function set_step_progress( $step_id, $step_progress ) : void; public function get_steps_manager() : Steps_Manager; public function get_wordpress_adapter() : Wordpress_Adapter; }