docs: public void clear() {
          numValues = 0L;
          mean = 0.0;
          variance = 0.0;
          stddev = 0.0;
          min = 0.0;
          max = 0.0;
          ts = 0L;
          interval = 0L;
          size = 0;
          for (int i = 0; i < percentiles.length; i++) {
              percentiles[i] = 0.0;
          }
      }