public function filterByLaprace($laprace = null, $comparison = null)
    {
        if (is_string($laprace)) {
            $laprace = in_array(strtolower($laprace), array('false', 'off', '-', 'no', 'n', '0', '')) ? false : true;
        }

        return $this->addUsingAlias(MapTableMap::COL_LAPRACE, $laprace, $comparison);
    }