@Override
    public byte @Nullable [] getContentAsBytes() throws VcsException {
      try {
        return VcsHistoryUtil.loadRevisionContent(myRevision);
      }
      catch (IOException e) {
        throw new VcsException(VcsBundle.message("message.text.cannot.load.revision", e.getLocalizedMessage()));
      }
    }
@Override
    public byte @Nullable [] getContentAsBytes()