@NotNull
  public TreeModelBuilder setChanges(@NotNull Collection<? extends Change> changes,
                                     @Nullable ChangeNodeDecorator changeNodeDecorator,
                                     @Nullable ChangesBrowserNode.Tag tag) {
    insertChanges(changes, createTagNode(tag), changeNodeDecorator);
    return this;
  }
@NotNull
  public TreeModelBuilder setChanges(@NotNull Collection<? extends Change> changes,
                                     @Nullable ChangeNodeDecorator changeNodeDecorator,
                                     @Nullable ChangesBrowserNode.Tag tag)