@java.lang.Override
    public boolean hasLastUpdatedDate() {
        return ((bitField0_ & 0x00000100) != 0);
    }
<code>optional int64 last_updated_date = 9;</code>

@return Whether the lastUpdatedDate field is set.
turms-client-kotlin/src/main/java/im/turms/client/model/proto/model/group/Group.java