src/Database/NestedSet/Builder.php
public function whereDescendantOrSelf($id, $boolean = 'and', $not = FALSE)
    {
        return $this->whereDescendantOf($id, $boolean, $not, TRUE);
    }
public function whereDescendantOrSelf($id, $boolean = 'and', $not = FALSE)
    {
        return $this->whereDescendantOf($id, $boolean, $not, TRUE);
    }
@param $id
@param string $boolean
@param bool $not

@return $this