class Valid

class Valid extends Constraint {
    public bool $traverse = true;
    
    /**
     * @param array<string,mixed>|null $options
     * @param string[]|null            $groups
     * @param bool|null                $traverse Whether to validate {@see \Traversable} objects (defaults to true)
     */
    public function __construct(?array $options = null, ?array $groups = null, $payload = null, ?bool $traverse = null) {
        parent::__construct($options ?? [], $groups, $payload);
        $this->traverse = $traverse ?? $this->traverse;
    }
    public function __get(string $option) : mixed {
        if ('groups' === $option) {
            // when this is reached, no groups have been configured
            return null;
        }
        return parent::__get($option);
    }
    public function addImplicitGroupName(string $group) : void {
        if (null !== $this->groups) {
            parent::addImplicitGroupName($group);
        }
    }

}