public Void call(RevisionManagerEndpointService service)
throws IOException {
ServerRpcController controller = new ServerRpcController();
BlockingRpcCallback<KeepAliveTransactionResponse> done =
new BlockingRpcCallback<KeepAliveTransactionResponse>();
KeepAliveTransactionRequest request = KeepAliveTransactionRequest.newBuilder()
.setTransaction(rpcConverter.convertTransaction(transaction)).build();
service.keepAliveTransaction(controller, request, done);
blockOnResponse(done, controller);
return null;
}