presto-hive/src/main/java/io/prestosql/plugin/hive/HiveConfig.java/HiveConfig/setMaxSplitIteratorThreads
class HiveConfig:    @Config("hive.max-split-iterator-threads")
    public HiveConfig setMaxSplitIteratorThreads(int maxSplitIteratorThreads)
    {
        this.maxSplitIteratorThreads = maxSplitIteratorThreads;
        return this;
    }