!7

sclass WebThoughtSpace {
  S globalID;
  
  class Webs extends NotifyingList<Web> {
    void change() {
      index = null;
    }
  }
  
  new Webs webs;
  transient MultiMap<S, WebNode> index;
  
  *() {}
  *(Web... webs) {
    this.webs.addAll(webs);
  }
}

p {
  new WebThoughtSpace space;
  printStruct(space);
}