private void setGroupIdToUnshareWith(long value) {
        bitField0_ |= 0x00000020;
        groupIdToUnshareWith_ = value;
    }
<code>optional int64 group_id_to_unshare_with = 6;</code>

@param value The groupIdToUnshareWith to set.
turms-client-kotlin/src/main/java/im/turms/client/model/proto/request/storage/UpdateMessageAttachmentInfoRequest.java