public boolean insert(Object key, Object value, Object version) throws CacheException {

    region.ensureRegionRootExists();

    CacheHelper.put(cache, regionFqn, key, value);
    return true;
  }
  public boolean update(Object key, Object value, Object currentVersion, Object previousVersion)
      throws CacheException {

    region.ensureRegionRootExists();

    CacheHelper.put(cache, regionFqn, key, value);
    return true;
  }