public void Clear()
        {
            pendingOrders.Clear();
            workingOrders.Clear();
            orderIDs.Clear();
            pendingCancels.Clear();

            orderMap.Clear();
        }
        public override void Clear()
        {
            base.Clear();

            marketDataRecords.Clear();

            orderMap.Clear();
            quoteMap.Clear();

            positions.Clear();

            historicalDataRecords.Clear();
            historicalDataIds.Clear();
        }