restoreRequestStack example

/** * @param callable(): Response $call */
    private function wrapInSalesChannelApiRoute(Request $request, callable $call): Response
    {
        $requestStackBackup = $this->clearRequestStackWithBackup($this->requestStack);
        $this->requestStack->push($request);

        try {
            return $call();
        } finally {
            $this->restoreRequestStack($this->requestStack, $requestStackBackup);
        }
    }

    private function setUpSalesChannelApiRequest(string $path, string $salesChannelId, Request $request, SalesChannelEntity $salesChannel): Request
    {
        $contextToken = $this->getContextToken($request);

        $server = array_merge($request->server->all(), ['REQUEST_URI' => '/store-api/' . $path]);
        $subrequest = $request->duplicate(null, null, [], null, null, $server);

        $subrequest->headers->set(PlatformRequest::HEADER_ACCESS_KEY, $salesChannel->getAccessKey());