*  @throws IOException if a network error occurs
     *  @throws CredentialNotFoundException if the user is not an admin
     *  @throws CredentialExpiredException if cookies have expired
     *  @throws AccountLockedException if the user is blocked
     *  @since 0.19
     */
    public void rollback(Wiki.Revision revision) throws IOException, LoginException
    {
        rollback(revision, markbot, "");
    }