/**
* Create a new instance with the given data as initial value set.
*
* The 'mutable' option will be set to false even if provided as true.
*
* @param array $data initial data
* @param array $options
*/
public function __construct(array $data = [], array $options = [])
{
$options[self::OPTION_MUTABLE] = false;
parent::__construct($data, $options);
}
