# wordpress-seo/trunk/vendor_prefixed/guzzlehttp/promises/src/TaskQueueInterface.php

Yoast SEO – Advanced SEO with real-time guidance and built-in AI, version trunk. 22 lines.

- Page: https://pluginprobe.com/plugins/wordpress-seo/trunk/code/vendor_prefixed/guzzlehttp/promises/src/TaskQueueInterface.php
- Raw: https://pluginprobe.com/plugins/wordpress-seo/trunk/raw/vendor_prefixed/guzzlehttp/promises/src/TaskQueueInterface.php
- Modified: 2023-09-19T09:07:18+00:00

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```php
<?php

declare (strict_types=1);
namespace YoastSEO_Vendor\GuzzleHttp\Promise;

interface TaskQueueInterface
{
    /**
     * Returns true if the queue is empty.
     */
    public function isEmpty() : bool;
    /**
     * Adds a task to the queue that will be executed the next time run is
     * called.
     */
    public function add(callable $task) : void;
    /**
     * Execute all of the pending task in the queue.
     */
    public function run() : void;
}

```