-- | The sequence number of the data record in the shard from which to start
-- reading from.
gsiStartingSequenceNumber :: Lens' GetShardIterator (Maybe Text)
gsiStartingSequenceNumber = lens _gsiStartingSequenceNumber (\ s a -> s{_gsiStartingSequenceNumber = a})
gsiStartingSequenceNumber :: Lens' GetShardIterator (Maybe Text)
gsiStartingSequenceNumber = lens _gsiStartingSequenceNumber (\ s a -> s{_gsiStartingSequenceNumber = a})
gsiStartingSequenceNumber = lens _gsiStartingSequenceNumber (\ s a -> s{_gsiStartingSequenceNumber = a})