# gmail-smtp/trunk/google-api-php-client/vendor/guzzlehttp/promises/src/PromisorInterface.php

Gmail SMTP, version trunk. 17 lines.

- Page: https://pluginprobe.com/plugins/gmail-smtp/trunk/code/google-api-php-client/vendor/guzzlehttp/promises/src/PromisorInterface.php
- Raw: https://pluginprobe.com/plugins/gmail-smtp/trunk/raw/google-api-php-client/vendor/guzzlehttp/promises/src/PromisorInterface.php
- Modified: 2026-07-04T08:00:06+00:00

Line numbers below start at 1. Link to a line or a range by appending a fragment to the
page URL, for example `https://pluginprobe.com/plugins/gmail-smtp/trunk/code/google-api-php-client/vendor/guzzlehttp/promises/src/PromisorInterface.php#L10-L20`.

```php
<?php

declare(strict_types=1);

namespace GuzzleHttp\Promise;

/**
 * Interface used with classes that return a promise.
 */
interface PromisorInterface
{
    /**
     * Returns a promise.
     */
    public function promise(): PromiseInterface;
}

```