void updateIndexUseEndStats(long start, boolean updateStats) {
    if (updateStats) {
      long end = System.nanoTime();
      internalIndexStats.incUsesInProgress(-1);
      internalIndexStats.incNumUses();
      internalIndexStats.incUseTime(end - start);
    }
  }
Get statistics information for this index.
geode-core/src/main/java/org/apache/geode/cache/query/internal/index/AbstractIndex.java