Does ADS momentum optimzation automatically modify port type?

I'm wondering if ADS momentum optimizer would first turn port 1 into a single mode port while others ports into internal type while optimizing goals for S11.

I was configuring a impedance matching networks using momentum optimizer and the final result is always better if I used the above settings..

Only specific types of parameters could be optimized during optimization in momentum and definitely port type is not one of them. even you can not optimize dielectric permittivity during optimization in momentum.