private void postOp() {
    proxyCache.setUserAttributes(UserAttributes.userAttributes.get());
    UserAttributes.userAttributes.set(null);
  }
A wrapper class over an actual Region instance. This is used when the multiuser-authentication
attribute is set to true.

@see ProxyCache
@since GemFire 6.5
geode-core/src/main/java/org/apache/geode/cache/client/internal/ProxyRegion.java