docs: function extendUrlWithQuery(url, queryArgs) {
    if (_.isEmpty(queryArgs)) {
      return url;
    }
  
    var parts = urlLib.parse(url);
    var query = _.extend(qs.parse(parts.query), queryArgs);
    parts.search = '?' + qs.stringify(query);
    return urlLib.format(_.pick(
      parts,
      'protocol',
      'slashes',
      'host',
      'auth',
      'pathname',
      'search',
      'hash'
    ));
  }