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<?php
// phpcs:disable Yoast.NamingConventions.NamespaceName.TooLong -- Needed in the folder structure.
namespace Yoast\WP\SEO\Plans\Domain\Add_Ons;
/**
* This interface describes an add-on for a plan.
*/
interface Add_On_Interface {
/**
* Returns the ID.
*
* @return string
*/
public function get_id(): string;
/**
* Returns whether the add-on is installed and activated.
*
* @return bool
*/
public function is_active(): bool;
/**
* Returns whether the add-on has an valid license.
*
* @return bool
*/
public function has_license(): bool;
/**
* Returns the click-to-buy action.
*
* @return string
*/
public function get_ctb_action(): string;
/**
* Returns the click-to-buy ID.
*
* @return string
*/
public function get_ctb_id(): string;
}