@Override
    protected boolean loadContents() {
      myBeforeContent = getRevisionContent(myBeforeRevision);
      if (myBeforeContent == null) {
        mySkipped.add(Pair.create(myAfterFile, VcsBundle.message("checkin.can.not.load.previous.revision")));
        return false;
      }
      return true;
    }
@Override
    protected boolean loadContents()