code: public function close($tradeNo)
      {
          $params = [
              'out_trade_no' => $tradeNo,
          ];
  
          return $this->request($this->wrapApi(self::API_CLOSE), $params);
      }
docs: Close order by out_trade_no.
  
  @param $tradeNo
  
  @return \EasyWeChat\Support\Collection