public function updatePosition($id, $newPosition = 1)
    {
        $model = $this->makeModel(false);

        if ( ! ($model = $model->find($id))) {
            return false;
        }

        $this->checkModelHasListify($model);

        /** @var ListifyInterface $model */
        $model->setListPosition( (int) $newPosition );

        return $model;
    }