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