@NotNull
      private static @NlsContexts.Label String makeTitle(@NotNull VcsFileRevision revision) {
        return revision.getRevisionNumber().asString() +
               (revision instanceof CurrentRevision ? " (" + VcsBundle.message("diff.title.local") + ")" : "");
      }
@NotNull
      private static @NlsContexts.Label String makeTitle(@NotNull VcsFileRevision revision)