/**
* Default text labels to describe the class constants.
* @return array
*/
protected function _getTextLabels()
{
return array_merge(parent::_getTextLabels(), array(self::INVOICE => 'invoice', self::DESCRIPTION => 'description', self::COMPANY => 'company', self::EMAIL => 'email', self::CUSTOMER_ID => 'customer_id', self::CUSTOMER_IP => 'customer_ip'));
}
