public function filterByImagedescription($imagedescription = null, $comparison = null)
    {
        if (null === $comparison) {
            if (is_array($imagedescription)) {
                $comparison = Criteria::IN;
            }
        }

        return $this->addUsingAlias(MediaTableMap::COL_IMAGEDESCRIPTION, $imagedescription, $comparison);
    }