@Override
    protected @NotNull List<TextMergeChange> getSelectedChanges(@NotNull ThreeSide side) {
      EditorEx editor = getEditor(side);
      BitSet lines = DiffUtil.getSelectedLines(editor);
      return ContainerUtil.filter(getAllChanges(), change -> isChangeSelected(change, lines, side));
    }
@Override
    protected @NotNull List<TextMergeChange> getSelectedChanges(@NotNull ThreeSide side)