private FrontendRestRequestService getFrontendRestRequestService() {
    FrontendRestRequestService frontendRestRequestService =
        new FrontendRestRequestService(frontendConfig, frontendMetrics, router, clusterMap, idConverterFactory,
            securityServiceFactory, urlSigningService, idSigningService, namedBlobDb, accountService,
            accountAndContainerInjector, datacenterName, hostname, clusterName, accountStatsStore, QUOTA_MANAGER);
    frontendRestRequestService.setupResponseHandler(responseHandler);
    return frontendRestRequestService;
  }
Sets up and gets an instance of {@link FrontendRestRequestService}.
@return an instance of {@link FrontendRestRequestService}.
ambry-frontend/src/test/java/com/github/ambry/frontend/FrontendRestRequestServiceTest.java