public function getStatusRules()
    {
        if (!is_string($this->statusAttribute) || empty($this->statusAttribute)) {
            return [];
        }
        if (empty($this->statusRules)) {
            $this->statusRules = [
                [[$this->statusAttribute], 'required'],
                [[$this->statusAttribute], 'number', 'integerOnly' => true, 'min' => 0],
            ];
        }
        return $this->statusRules;
    }