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<?php
declare(strict_types=1);
/**
* SPDX-FileCopyrightText: 2020 Nextcloud GmbH and Nextcloud contributors
* SPDX-License-Identifier: AGPL-3.0-or-later
*/
namespace OCP\AppFramework\Services;
use Closure;
/**
* @since 20.0.0
*/
interface IInitialState {
/**
* Allows an app to provide its initial state to the template system.
* Use this if you know your initial state sill be used for example if
* you are in the render function of you controller.
*
* @since 20.0.0
*
* @param string $key
* @param bool|int|float|string|array|\JsonSerializable $data
*/
public function provideInitialState(string $key, $data): void;
/**
* Allows an app to provide its initial state via a lazy method.
* This will call the closure when the template is being generated.
* Use this if your app is injected into pages. Since then the render method
* is not called explicitly. But we do not want to load the state on webdav
* requests for example.
*
* @since 20.0.0
*
* @param string $key
* @param Closure $closure returns a primitive or an object that implements JsonSerializable
* @psalm-param Closure():bool|Closure():int|Closure():float|Closure():string|Closure():\JsonSerializable $closure
*/
public function provideLazyInitialState(string $key, Closure $closure): void;
}
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