public <K, V> Region<K, V> createInternalRegion(String name, RegionAttributes<K, V> p_attrs,
      InternalRegionArguments internalRegionArgs)
      throws RegionExistsException, TimeoutException, IOException, ClassNotFoundException {
    return delegate.createVMRegion(name, p_attrs, internalRegionArgs);
  }
This method allows server-side code to create an internal region. It should
not be invoked with a region name obtained from a client.
geode-core/src/main/java/org/apache/geode/internal/cache/InternalCacheForClientAccess.java