public function __construct($name, NodeInterface $parent = null, array $values = array())
{
$values = array_unique($values);
if (empty($values)) {
throw new \InvalidArgumentException('$values must contain at least one element.');
}
parent::__construct($name, $parent);
$this->values = $values;
}
public function __construct($name, NodeInterface $parent = null, $min = null, $max = null)
{
parent::__construct($name, $parent);
$this->min = $min;
$this->max = $max;
}