public static TimestampOffsetData of(long timestamp, long offset) {
            TimestampOffsetData timestampOffsetData = new TimestampOffsetData();
            timestampOffsetData.timestamp(timestamp);
            timestampOffsetData.offset(offset);
            return timestampOffsetData;
        }
byte offset range of the txn index stream
core/src/main/scala/kafka/log/streamaspect/ElasticStreamSegmentMeta.java