presto-kinesis/src/main/java/io/prestosql/plugin/kinesis/KinesisRecordSet.java/KinesisRecordCursor/close
class KinesisRecordCursor:        @Override
        public void close()
        {
            log.info("Closing cursor - read complete.  Total read: %d batches %d messages, processed: %d messages and %d bytes.",
                    batchesRead, messagesRead, totalMessages, totalBytes);
            if (checkpointEnabled && lastReadSequenceNumber != null) {
                shardCheckpointer.checkpoint(lastReadSequenceNumber);
            }
        }