presto-main/src/main/java/io/prestosql/sql/analyzer/FeaturesConfig.java/FeaturesConfig/setEnableForcedExchangeBelowGroupId
class FeaturesConfig:    @Config("enable-forced-exchange-below-group-id")
    public FeaturesConfig setEnableForcedExchangeBelowGroupId(boolean enableForcedExchangeBelowGroupId)
    {
        this.enableForcedExchangeBelowGroupId = enableForcedExchangeBelowGroupId;
        return this;
    }