public function setLocation_description($location_description = null)
{
// validation for constraint: string
if (!is_null($location_description) && !is_string($location_description)) {
throw new \InvalidArgumentException(sprintf('Invalid value, please provide a string, "%s" given', gettype($location_description)), __LINE__);
}
$this->location_description = $location_description;
return $this;
}