@Override
  public @Nullable SdkListModel onChosen(SdkListItem selectedValue) {
    if (!(selectedValue instanceof GroupItem)) return null;
    return new SdkListModel(myIsSearching, ((GroupItem)selectedValue).subItems, myGetProjectSdk);
  }
@Override
  public @Nullable SdkListModel onChosen(SdkListItem selectedValue)