public static ByteBuffer encode(ElasticPartitionMeta meta) {
        try {
            return ByteBuffer.wrap(WRITER.writeValueAsBytes(meta));
        } catch (JsonProcessingException e) {
            throw new IllegalArgumentException(e);
        }
    }
The offset of the last cleaned record.
core/src/main/scala/kafka/log/streamaspect/ElasticPartitionMeta.java