# authorizer/3.9.0/vendor/guzzlehttp/promises/src/TaskQueueInterface.php

Authorizer, version 3.9.0. 25 lines.

- Page: https://pluginprobe.com/plugins/authorizer/3.9.0/code/vendor/guzzlehttp/promises/src/TaskQueueInterface.php
- Raw: https://pluginprobe.com/plugins/authorizer/3.9.0/raw/vendor/guzzlehttp/promises/src/TaskQueueInterface.php
- Modified: 2024-03-06T20:45:00+00:00

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```php
<?php

declare(strict_types=1);

namespace 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;
}

```