@Override
    public boolean isTrimmedLeft() {
      for (final StatValue value : values) {
        if (value.isTrimmedLeft()) {
          return true;
        }
      }
      return false;
    }
Returns true if the timeStamp at curIdx is the one that ts is the closest to. We know that
timeStamps[curIdx-1], if it exists, was not the closest.
geode-core/src/main/java/org/apache/geode/internal/statistics/StatArchiveReader.java