@Override
  public boolean didClearCountChange() {
    Integer i = childReference.get();
    boolean result = i != null && i != clearCount.get();
    // // now that we get a readLock it should not be possible for the lock to change
    // assert !result;
    return result;
  }
ThreadLocal to be used for maintaining consistency during clear*
geode-core/src/main/java/org/apache/geode/internal/cache/DiskRegion.java