public Tuple<Int64, Int64> IncrementMultiple(string counterName, string firstCounter, long firstBy, string secondCounter, long secondBy)
{

    Key recordKey = new Key(NAMESPACE, MULTI_SET, counterName);

    Bin incrementCounter1 = new Bin(firstCounter, firstBy);
    Bin incrementCounter2 = new Bin(secondCounter, secondBy);

    Record record = asClient.Operate(null, recordKey, Operation.Add(incrementCounter1), Operation.Add(incrementCounter2), Operation.Get(firstCounter), Operation.Get(secondCounter));
    return Tuple.Create<Int64, Int64>(record.GetLong(firstCounter), record.GetLong(secondCounter));
}