class GrpcClient {

  public FetchEligibleCampaignsResponse fetchEligibleCampaigns(FetchEligibleCampaignsRequest req) {
    return stub.withDeadlineAfter(30000, TimeUnit.MILLISECONDS).fetchEligibleCampaigns(req);
  }

  @Inject  GrpcClient(InAppMessagingSdkServingBlockingStub stub);

}