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* This file is part of the Symfony package.
* (c) Fabien Potencier <>
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
namespace Symfony\Component\HttpClient\Retry;
use Symfony\Component\HttpClient\Response\AsyncContext;
use Symfony\Contracts\HttpClient\Exception\TransportExceptionInterface;
* @author Jérémy Derussé <>
* @author Nicolas Grekas <>
interface RetryStrategyInterface
* Returns whether the request should be retried.
* @param ?string $responseContent Null is passed when the body did not arrive yet
* @return ?bool Returns null to signal that the body is required to take a decision
public function shouldRetry(AsyncContext $context, ?string $responseContent, ?TransportExceptionInterface $exception): ?bool;
* Returns the time to wait in milliseconds.
public function getDelay(AsyncContext $context, ?string $responseContent, ?TransportExceptionInterface $exception): int;