@Override
  public boolean canShow(@NotNull DiffContext context, @NotNull DiffRequest request) {
    return OnesideBinaryDiffViewer.canShowRequest(context, request) ||
           TwosideBinaryDiffViewer.canShowRequest(context, request) ||
           ThreesideBinaryDiffViewer.canShowRequest(context, request);
  }
@Override
  public boolean canShow(@NotNull DiffContext context, @NotNull DiffRequest request)