presto-main/src/main/java/io/prestosql/sql/analyzer/FeaturesConfig.java/FeaturesConfig/setMemoryCostWeight
class FeaturesConfig:    @Config("memory-cost-weight")
    public FeaturesConfig setMemoryCostWeight(double memoryCostWeight)
    {
        this.memoryCostWeight = memoryCostWeight;
        return this;
    }