code: public static AlipayTradeCloseResponse tradeCloseToResponse(AlipayTradeCloseModel model, String appAuthToken)
  			throws AlipayApiException {
  		AlipayTradeCloseRequest request = new AlipayTradeCloseRequest();
  		request.setBizModel(model);
  		return AliPayApiConfigKit.getAliPayApiConfig().getAlipayClient().execute(request, null, appAuthToken);
  
  	}
docs: 统一收单交易关闭接口
  
  @param model
  {AlipayTradeCloseModel}
  @param appAuthToken
  应用授权token
  @return {AlipayTradeCloseResponse}
  @throws {AlipayApiException}