class AggregatingHealthService implements HealthService {

    private ClientCall<HealthCheckResponse> check() {
        return (client, responseObserver) -> wrap(client).check(HealthCheckRequest.newBuilder().build(), responseObserver);
    }

    @Inject public  AggregatingHealthService(AggregatingCellClient client, CallMetadataResolver callMetadataResolver, GrpcConfiguration grpcConfiguration);

}