docs: function xmlFileGet(file, element, attributeName, options) {
    options = _.sanitize(options, {encoding: 'utf-8', retryOnENOENT: true, default: null});
  
    const doc = loadXmlFile(file, options);
    const node = getXmlNode(doc, element);
  
    let value;
    if (_.isEmpty(attributeName)) {
      value = _.map(node.childNodes, 'nodeValue');
    } else {
      value = node.getAttribute(attributeName);
      // Always return an array
      value = [value];
    }
    return _.isUndefined(value) ? options.default : value;
  }