presto-kinesis/src/main/java/io/prestosql/plugin/kinesis/KinesisConnector.java/KinesisConnector/beginTransaction
class KinesisConnector:    @Override
    public ConnectorTransactionHandle beginTransaction(IsolationLevel isolationLevel, boolean b)
    {
        checkConnectorSupports(READ_COMMITTED, isolationLevel);
        return KinesisTransactionHandle.INSTANCE;
    }