BackoffStrategyInterface.php

<?php
 
namespace Guzzle\Plugin\Backoff;
 
use Guzzle\Http\Message\RequestInterface;
use Guzzle\Http\Message\Response;
use Guzzle\Http\Exception\HttpException;
 
interface BackoffStrategyInterface
{
    public function getBackoffPeriod(
        $retries,
        RequestInterface $request,
        Response $response = null,
        HttpException $e = null
    );
}