totalSize = 0; totalCapacity = 0; maxCapacity = 0; maxCapacity = 0;
sumSize = 0; sumCapacityCount = 0; sumCapacityBytes = 0; maxSize = 0; maxCapacityCount = 0; maxCapacityBytes = 0;
    void reset() {      totalSize = 0;      totalCapacity = 0;      maxCapacity = 0;      maxCapacity = 0;    }