@NotNull
  public static DiffContent loadContentForDiff(@NotNull Project project, @NotNull FilePath path, @NotNull VcsFileRevision revision) throws IOException, VcsException {
    return createContent(project, loadRevisionContent(revision), revision, path);
  }
@NotNull
  public static DiffContent loadContentForDiff(@NotNull Project project, @NotNull FilePath path, @NotNull VcsFileRevision revision)