Blackfire\Player\Extension\BlackfireExtension::prepareRequest PHP Метод

    public function prepareRequest(Step $step, ValueBag $values, RequestInterface $request, $options)
    {
        unset($options['blackfire']);
        if ($step->isBlackfireEnabled()) {
            $build = $options['extra']->has('blackfire_build') ? $options['extra']->get('blackfire_build') : null;
            $options['blackfire'] = $this->createBlackfireConfig($options['step'], $build);
        }
        return $options;
    }