docs: public synchronized DoubleHistogram getIntervalHistogram(DoubleHistogram histogramToRecycle) {
          // Verify that replacement histogram can validly be used as an inactive histogram replacement:
          validateFitAsReplacementHistogram(histogramToRecycle);
          inactiveHistogram = (InternalConcurrentDoubleHistogram) histogramToRecycle;
          performIntervalSample();
          DoubleHistogram sampledHistogram = inactiveHistogram;
          inactiveHistogram = null; // Once we expose the sample, we can't reuse it internally until it is recycled
          return sampledHistogram;
      }