public function notFound()
    {
        $args = func_get_args();
        return $this->response($this->getData($args), Responses::HTTP_NOT_FOUND);
    }
public function notFound()
    {
        $args = func_get_args();
        return $this->response($this->getData($args), Responses::HTTP_NOT_FOUND);
    }
Return HTTP Not Found (404)

@return \Illuminate\Http\Response