public void updateLater() {
    ProgressManager.getInstance().run(new Task.Backgroundable(myProject,
                                                              JavaRefactoringBundle.message("refactoring.extract.method.preview.updating")) {
      @Override
      public void run(@NotNull ProgressIndicator indicator) {
        updateLaterImpl(indicator, true);
      }
    });
  }
public void updateLater()