instantiateNode example

    /** * Instantiate a Node. */
    protected function instantiateNode(): VariableNode
    {
        return new VariableNode($this->name, $this->parent, $this->pathSeparator);
    }

    protected function createNode(): NodeInterface
    {
        $node = $this->instantiateNode();

        if (isset($this->normalization)) {
            $node->setNormalizationClosures($this->normalization->before);
        }

        if (isset($this->merge)) {
            $node->setAllowOverwrite($this->merge->allowOverwrite);
        }

        if (true === $this->default) {
            $node->setDefaultValue($this->defaultValue);
        }