private boolean isSomeChangeSelected(@NotNull ThreeSide side) {
      if (getChanges().isEmpty()) return false;

      EditorEx editor = getEditor(side);
      return DiffUtil.isSomeRangeSelected(editor, lines ->
        ContainerUtil.exists(getChanges(), change -> isChangeSelected(change, lines, side)));
    }
private boolean isSomeChangeSelected(@NotNull ThreeSide side)