presto-spi/src/main/java/io/prestosql/spi/connector/ConnectorSplitManager.java/ConnectorSplitManager/getSplits
class ConnectorSplitManager:    default ConnectorSplitSource getSplits(
            ConnectorTransactionHandle transaction,
            ConnectorSession session,
            ConnectorTableHandle table,
            SplitSchedulingStrategy splitSchedulingStrategy)
    {
        throw new UnsupportedOperationException();
    }