presto-hive/src/main/java/io/prestosql/plugin/hive/HiveConfig.java/HiveConfig/setMaxOpenSortFiles
class HiveConfig:    @Config("hive.max-open-sort-files")
    @ConfigDescription("Maximum number of writer temporary files to read in one pass")
    public HiveConfig setMaxOpenSortFiles(int maxOpenSortFiles)
    {
        this.maxOpenSortFiles = maxOpenSortFiles;
        return this;
    }