public override int GetHashCode()
        {
            int hash = 1;

            if (typeCase_ == TypeOneofCase.TopicDataRecord)
            {
                hash ^= TopicDataRecord.GetHashCode();
            }
            if (typeCase_ == TypeOneofCase.TopicDataRecordList)
            {
                hash ^= TopicDataRecordList.GetHashCode();
            }
            if (typeCase_ == TypeOneofCase.Error)
            {
                hash ^= Error.GetHashCode();
            }
            hash ^= (int)typeCase_;
            if (_unknownFields != null)
            {
                hash ^= _unknownFields.GetHashCode();
            }
            return(hash);
        }
        public override int GetHashCode()
        {
            int hash = 1;

            if (DeviceIdentifier.Length != 0)
            {
                hash ^= DeviceIdentifier.GetHashCode();
            }
            if (typeCase_ == TypeOneofCase.TopicDataRecord)
            {
                hash ^= TopicDataRecord.GetHashCode();
            }
            if (typeCase_ == TypeOneofCase.Error)
            {
                hash ^= Error.GetHashCode();
            }
            hash ^= (int)typeCase_;
            if (_unknownFields != null)
            {
                hash ^= _unknownFields.GetHashCode();
            }
            return(hash);
        }