private long doRoundToFactor(long suggestedSize) {
    int roundFactor = roundingFactor;
    if (suggestedSize % roundFactor != 0) {
      suggestedSize = (suggestedSize / roundFactor + 1) * roundFactor;
    }
    return suggestedSize;
  }
private long doRoundToFactor(long suggestedSize)