docs: public void reset() {
      n_ = 0;
      combinedBufferItemCapacity_ = 2 * Math.min(DoublesSketch.MIN_K, k_); //the min is important
      combinedBuffer_ = new Object[combinedBufferItemCapacity_];
      baseBufferCount_ = 0;
      bitPattern_ = 0;
      minValue_ = null;
      maxValue_ = null;
    }