String</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../cn/felord/payment/wechat/v3/model/combine/CombineCloseParams.html#combineOutTradeNo">combineOutTradeNo</a></span></code>
<div class="block">合单商户订单号，必填，商户侧需要保证同一商户下唯一</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>private <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="java.util中的�