hostConfigurationBuilder.exit();
  private void exit() {    // before exiting, restore experiment's and society's editability    // FIXME Restore on society!!!!    if (isEditable)       experiment.setEditable(isEditable);    if (isRunnable)      experiment.setRunnable(isRunnable);    // If the experiment now has a society and is otherwise runnable, say so    if (experiment.getSocietyComponentCount() > 0)      experiment.setRunnable(true);    // optionally save host-configuration-agent mapping if it was modified    hostConfigurationBuilder.exit();  }