public static function getRules()
    {
        $instance = static::getInstance();

        $fillables = $instance->getFillables();

        $structure = $instance->getStructure();

        $rules = $instance->rules;

        if(!$rules){
            $rules = [];

            foreach($structure as $key => $column){
                $rules[$key] = '';
            }
        }

        return $rules;
    }