private static List<AnAction> createSpeedSearchActions(@NotNull ActionGroup parentActionGroup, boolean isFirstLevel) {
    if (parentActionGroup instanceof HideableActionGroup) {
      parentActionGroup = ((HideableActionGroup)parentActionGroup).getDelegate();
    }

    if (parentActionGroup instanceof BranchActionGroup) return Collections.emptyList();

    // add per repository branches into the model as Speed Search elements and show them only if regular items were not found by mask;
    List<AnAction> speedSearchActions = new ArrayList<>();
    if (!isFirstLevel) speedSearchActions.add(new Separator(parentActionGroup.getTemplatePresentation().getText()));
    for (AnAction child : parentActionGroup.getChildren(null)) {
      if (child instanceof ActionGroup childGroup) {
        if (childGroup instanceof HideableActionGroup) {
          childGroup = ((HideableActionGroup)childGroup).getDelegate();
        }

        if (isFirstLevel) {
          speedSearchActions.addAll(createSpeedSearchActions(childGroup, false));
        }
        else if (childGroup instanceof BranchActionGroup) {
          speedSearchActions.add(createSpeedSearchActionGroupWrapper(childGroup));
        }
      }
    }
    return speedSearchActions;
  }
private static List<AnAction> createSpeedSearchActions(@NotNull ActionGroup parentActionGroup, boolean isFirstLevel)