@NotNull
  private static Collection<LocalChangeListImpl> removeDuplicatedLists(@NotNull List<LocalChangeListImpl> lists) {
    // workaround for loading incorrect settings (with duplicate changelist names)

    boolean hasDefault = false;
    Map<String, LocalChangeListImpl> map = new HashMap<>();

    for (LocalChangeListImpl list : lists) {
      if (list.isDefault() && hasDefault) {
        list = new LocalChangeListImpl.Builder(list).setDefault(false).build();
      }
      hasDefault |= list.isDefault();

      LocalChangeListImpl otherList = map.get(list.getName());
      if (otherList != null) {
        list = new LocalChangeListImpl.Builder(otherList)
          .setChanges(ContainerUtil.union(list.getChanges(), otherList.getChanges()))
          .setDefault(list.isDefault() || otherList.isDefault())
          .build();
      }

      map.put(list.getName(), list);
    }
    return map.values();
  }
@NotNull
  private static Collection<LocalChangeListImpl> removeDuplicatedLists(@NotNull List<LocalChangeListImpl> lists)