presto-iceberg/src/main/java/io/prestosql/plugin/iceberg/IcebergConnector.java/IcebergConnector/rollback
class IcebergConnector:    @Override
    public void rollback(ConnectorTransactionHandle transaction)
    {
        IcebergMetadata metadata = transactionManager.remove(transaction);
        try (ThreadContextClassLoader ignored = new ThreadContextClassLoader(getClass().getClassLoader())) {
            metadata.rollback();
        }
    }