public function list(int $begin, int $count)
    {
        $params = [
            'begin' => $begin,
            'count' => $count,
        ];

        return $this->httpPostJson('shakearound/device/group/getlist', $params);
    }
public function list(int $begin, int $count)
    {
        $params = [
            'begin' => $begin,
            'count' => $count,
        ];

        return $this->httpPostJson('shakearound/device/group/getlist', $params);
    }
public function list ( int $ begin , int $ count ) { $ params = [ 'begin' => $ begin , 'count' => $ count , ] ; return $ this -> httpPostJson ( 'shakearound/device/group/getlist' , $ params ) ; }
List all device groups.

@param int $begin
@param int $count

@return \Psr\Http\Message\ResponseInterface|\EasyWeChat\Kernel\Support\Collection|array|object|string
List all device groups .