protected function convertNode(\DOMNode $node, $path = '')
    {
        $output = [];
        if ($node->nodeType == XML_ELEMENT_NODE) {
            $nodeName = $this->parseNodeName($node);
            $output[$nodeName] = $this->parseNodeData($node, $path);
        } elseif ($node->nodeType == XML_CDATA_SECTION_NODE
            || $node->nodeType == XML_TEXT_NODE && trim($node->nodeValue) != '') {
            return $node->nodeValue;
        }

        return $output;
    }