/**
  * @param RequestInterface $request
  * @return string
  */
 protected function buildServiceUrl(RequestInterface $request)
 {
     $serviceUrl = implode('/', [$this->baseUrl, Api::API_VERSION, $request->getService()]);
     return $serviceUrl;
 }
 /**
  * {@inheritdoc}
  */
 public function canBuild(RequestInterface $request, HttpResponseInterface $response)
 {
     return Api::SERVICE_PAGE === $request->getService();
 }