docs: protected void setValue(int newPosition, T1 valueSum, long valueN,
        boolean currentExisting) {
      if (valueN > 0) {
        if (currentExisting) {
          newBasicValueSumList[newPosition] = operations
              .add11(newBasicValueSumList[newPosition], valueSum);
          newBasicValueNList[newPosition] += valueN;
        } else {
          newBasicValueSumList[newPosition] = valueSum;
          newBasicValueNList[newPosition] = valueN;
        }
      }
    }