/**
* Add data to the object.
*
* Retains previous data in the object.
*
* @param array $data
* @return Mage_Sales_Model_Order_Shipment_Track
*/
public function addData(array $data)
{
if (array_key_exists('number', $data)) {
$this->setNumber($data['number']);
unset($data['number']);
}
return parent::addData($data);
}
