code: public void execute(final Object observable, final Runnable change) {
          listeners.disableFor(observable);
          change.run();
          listeners.enableFor(observable);
      }
docs: Executes a change to an observable of the users domain model without generating change commands for this change.
  
  <p>
  Any changes done to the users domain model are executed over the model change executor passed in the constructor.
  </p>
  
  @param observable
  The observable that is changed.
  @param change
  The change that is done to the observable.