Request/ParamConverter/AbstractParamConverter.php
protected function getRequestAttributeName(Request $request, ParamConverter $configuration)
    {
        $param = $configuration->getName();
        if (array_key_exists('id', $configuration->getOptions())) {
            $param = $configuration->getOptions()['id'];
        }

        return $param;
    }
protected function getRequestAttributeName(Request $request, ParamConverter $configuration)
    {
        $param = $configuration->getName();
        if (array_key_exists('id', $configuration->getOptions())) {
            $param = $configuration->getOptions()['id'];
        }

        return $param;
    }
@param Request        $request
@param ParamConverter $configuration

@return string