public void collectLessAggressively() {
      int currentPercentage = lowUsefulnessThresholdEstimator.percentileToEstimate();
      lowUsefulnessThresholdEstimator.updateTargetPercentile(
        clamp(currentPercentage - 1, minPercentOfPagesToPrepareForReclaim, maxPercentOfPagesToPrepareForReclaim)
      );
    }
public void collectLessAggressively()