Blackfire\Player\Guzzle\StepMiddleware::prepareRequest PHP Метод

    private function prepareRequest(Step $step, ValueBag $values, RequestInterface $request, $options)
    {
        $options['allow_redirects'] = false;
        if (!$step->getDelay()) {
            $options['delay'] = 0;
        } else {
            try {
                $options['delay'] = $this->language->evaluate($step->getDelay(), $values->all(true));
            } catch (ExpressionSyntaxError $e) {
                $msg = sprintf('Delay syntax error in "%s": %s', $step->getDelay(), $e->getMessage());
                $this->logger and $this->logger->critical($msg, ['request' => $request->getHeaderLine('X-Request-Id')]);
                throw new InvalidArgumentException($msg);
            }
        }
        unset($options['expectations']);
        if ($step->getExpectations()) {
            $options['expectations'] = $step->getExpectations();
        }
        unset($options['extractions']);
        if ($step->getExtractions()) {
            $options['extractions'] = $step->getExtractions();
        }
        foreach ($this->extensions as $extension) {
            $options = $extension->prepareRequest($step, $values, $request, $options);
        }
        return $options;
    }