tic <a href="../../../../../../../com/lark/oapi/service/application/v6/enums/MessageOverviewItemMessageTypeEnum.html" title="com.lark.oapi.service.application.v6.enums中的枚举">MessageOverviewItemMessageTypeEnum</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../com/lark/oapi/service/application/v6/enums/MessageOverviewItemMessageTypeEnum.html#valueOf-java.lang.String-">valueOf</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Strin