private static @NotNull Set<ShelvedChangeList> getSelectedLists(@NotNull ChangesTree tree,
                                                                  @NotNull Predicate<? super ShelvedChangeList> condition) {
    TreePath[] selectionPaths = tree.getSelectionPaths();
    if (selectionPaths == null) return Collections.emptySet();
    return StreamEx.of(selectionPaths)
      .map(path -> TreeUtil.findObjectInPath(path, ShelvedChangeList.class))
      .filter(nonNull())
      .filter(condition)
      .collect(Collectors.toSet());
  }
private static @NotNull Set<ShelvedChangeList> getSelectedLists(@NotNull ChangesTree tree,
                                                                  @NotNull Predicate<? super ShelvedChangeList> condition)