@NotNull
  @Override
  public ContentDiffRequest createFromFiles(@Nullable Project project,
                                            @NotNull VirtualFile leftFile,
                                            @NotNull VirtualFile baseFile,
                                            @NotNull VirtualFile rightFile) {
    DiffContent content1 = myContentFactory.create(project, leftFile);
    DiffContent content2 = myContentFactory.create(project, baseFile);
    DiffContent content3 = myContentFactory.create(project, rightFile);

    String title1 = getContentTitle(leftFile);
    String title2 = getContentTitle(baseFile);
    String title3 = getContentTitle(rightFile);

    return new SimpleDiffRequest(null, content1, content2, content3, title1, title2, title3);
  }
@NotNull
  @Override
  public ContentDiffRequest createFromFiles(@Nullable Project project,
                                            @NotNull VirtualFile leftFile,
                                            @NotNull VirtualFile baseFile,
                                            @NotNull VirtualFile rightFile)