@SuppressWarnings("unchecked")
  @Override
  public Region<K, V> createSubregion(Region<?, ?> parent, String name)
      throws RegionExistsException {
    return ((InternalRegion) parent).createSubregion(name, createRegionAttributes());
  }
Returns the cache used by this factory.
geode-core/src/main/java/org/apache/geode/cache/client/internal/ClientRegionFactoryImpl.java