@java.lang.Override
        public boolean hasMuteEndDate() {
            return instance.hasMuteEndDate();
        }
<code>optional int64 mute_end_date = 8;</code>

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