public function normalize(ConfigurationInterface $configuration)
    {
        // initialize the \stdClass instance
        $node = $this->newInstance('\stdClass');
        $node->{$configuration->getNodeName()} = new \stdClass();

        // set the node value if available
        if ($value = $configuration->getValue()) {
            $node->{$configuration->getNodeName()}->value = $value;
        }

        // set members by converting camel case to underscore (necessary for ember.js)
        foreach ($configuration->getAllData() as $member => $value) {
            $node->{$configuration->getNodeName()}->{strtolower(preg_replace('/([a-z])([A-Z])/', '$1_$2', $member))} = $value;
        }

        // return the normalized node instance
        return $node;
    }