message: Use forEach in the Map instead of Map.values()
diff: @@ -114,7 +114,7 @@ class Rooms extends events.EventEmitter {
  }
  forEachRoom(doSomething) {
  - this.rooms.values().forEach((room) => {
  + this.rooms.forEach((room) => {
  doSomething(room);
  });
  }
  