presto-main/src/main/java/io/prestosql/split/ConnectorAwareSplitSource.java/ConnectorAwareSplitSource/getMinScheduleSplitBatchSize
class ConnectorAwareSplitSource:    @Override
    public Optional<Integer> getMinScheduleSplitBatchSize()
    {
        return source.getMinScheduleSplitBatchSize();
    }