laipower/wp-content/plugins/w3-total-cache/lib/Azure/GuzzleHttp/Promise/PromisorInterface.php

<?php
namespace GuzzleHttp\Promise;

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