@NotNull
  @Override
  public DiffViewerWrapper process(@NotNull ChangeDiffRequestProducer presentable,
                                   @NotNull UserDataHolder context,
                                   @NotNull ProgressIndicator indicator) throws DiffRequestProducerException, ProcessCanceledException {
    // TODO: support properties conflict for three-way-diff

    DiffRequest propertyRequest = createPropertyRequest(presentable.getChange(), indicator);
    return new SvnDiffViewerWrapper(propertyRequest);
  }
@NotNull
  @Override
  public DiffViewerWrapper process(@NotNull ChangeDiffRequestProducer presentable,
                                   @NotNull UserDataHolder context,
                                   @NotNull ProgressIndicator indicator)