code: public Datapoint withExtendedStatistics(java.util.Map<String, Double> extendedStatistics) {
          setExtendedStatistics(extendedStatistics);
          return this;
      }
docs: <p>
  The percentile statistic for the data point.
  </p>
  
  @param extendedStatistics
  The percentile statistic for the data point.
  @return Returns a reference to this object so that method calls can be chained together.