private void applyCrumbs(Iterable<? extends Crumb> _crumbs) {
    boolean areCrumbsVisible = breadcrumbs.isShowing() ||
                               !ClientId.isLocal(ClientEditorManager.getClientId(myEditor)) ||
                               ApplicationManager.getApplication().isHeadlessEnvironment();
    Iterable<? extends Crumb> crumbs = _crumbs != null && areCrumbsVisible ? _crumbs : EMPTY_BREADCRUMBS;
    breadcrumbs.setFont(getNewFont(myEditor));
    breadcrumbs.setCrumbs(crumbs);
    notifyListeners(crumbs);
  }
private void applyCrumbs(Iterable<? extends Crumb> _crumbs)