code: function parseUpdateInfo (node, nodeType, feedType) {
    var updateInfo = {}, temp;
  
    if (temp = utils.get(node['sy:updatefrequency'])) {
      updateInfo.frequency = temp;
    }
    if (temp = utils.get(node['sy:updateperiod'])) {
      updateInfo.period = temp;
    }
    if (temp = utils.get(node['sy:updatebase'])) {
      updateInfo.base = temp;
    }
    if (temp = utils.get(node.ttl)) {
      updateInfo.ttl = temp;
    }
  
    return Object.keys(updateInfo).length ? updateInfo : null;
  }
docs: Parses the common meta properties used to determine when to update or get a new feed
  
  @param node
  @param nodeType
  @param feedType
  @returns {{}}