/**
* Get descendants of specified node.
*
* @since 2.0
*
* @param mixed $id
* @param array $columns
*
* @return \Kalnoy\Nestedset\Collection
*/
public function descendantsOf($id, array $columns = array('*'))
{
try {
return $this->whereDescendantOf($id)->get($columns);
} catch (ModelNotFoundException $e) {
return $this->model->newCollection();
}
}
