presto-main/src/main/java/io/prestosql/sql/analyzer/FeaturesConfig.java/FeaturesConfig/setSpillOrderBy
class FeaturesConfig:    @Config("spill-order-by")
    @LegacyConfig("experimental.spill-order-by")
    public FeaturesConfig setSpillOrderBy(boolean spillOrderBy)
    {
        this.spillOrderBy = spillOrderBy;
        return this;
    }