class PDM {
private ICurteaConstitutionala _curtea;

public void Init(){
    _curtea = new CurteaConstitutionala(() => GenerateDecision);
}
    void Foo(){
    CurteaConstitionala.RequestDecision(question);
    }
}


class CurteaConstitutionala {
    private Func<Decision> _decisionGenerator;

    public CurteaConstitutionala(Func<Decision> decisionGenerator)
{
    _decisionGenerator = decisionGenerator;
}

public Decision RequestDecision(string question){
    return _decisionGenerator.Invoke();
}

}