public Map<SearchEverywhereContributor<?>, Collection<SearchEverywhereFoundElementInfo>> getFoundElementsMap() {
    return listElements.stream()
      .filter(info -> info.element != MORE_ELEMENT && !(info.element instanceof ResultsNotificationElement))
      .collect(Collectors.groupingBy(o -> o.getContributor(), Collectors.toCollection(ArrayList::new)));
  }
public Map<SearchEverywhereContributor<?>, Collection<SearchEverywhereFoundElementInfo>> getFoundElementsMap()