Request/ParamConverter/ServiceParamConverter.php
public function supports(ParamConverter $configuration)
    {
        $options = $configuration->getOptions();

        return !empty($options['service']) && !empty($options['method']);
    }
public function supports(ParamConverter $configuration)
    {
        $options = $configuration->getOptions();

        return !empty($options['service']) && !empty($options['method']);
    }
@param ParamConverter $configuration

@return bool