protected function initDefaultInitialContext()
    {

        // initialize the configuration values for the initial context
        $description = new DescriptionNode(new NodeValue('The initial context configuration.'));
        $storage = new StorageNode('AppserverIo\Storage\StackableStorage');

        // set the default initial context configuration
        $this->initialContext = new InitialContextNode('AppserverIo\Appserver\Core\InitialContext', $description, $storage);
    }