method save

Source

Map save({bool includeValue: true}) {
  var map = {};
  map.addAll(configs);
  map.addAll(attributes);
  for (String key in children.keys) {
    Node node = children[key];
    map[key] = node is RemoteNode ? node.save() : node.getSimpleMap();
  }

  if (includeValue &&
    _subscribeController != null &&
    _subscribeController._lastUpdate != null) {
    map["?value"] = _subscribeController._lastUpdate.value;
    map["?value_timestamp"] = _subscribeController._lastUpdate.ts;
  }

  return map;
}