public void AddGlobalStateSwitcher <GSS>() where GSS : BaseGlobalStateSwitcher <T>
{
if (!HasGlobalStateSwitcherType <GSS>())
{
GSS stateSwitcher = Activator.CreateInstance(typeof(GSS)) as GSS;
_globalStateSwitchers.Add(typeof(GSS), stateSwitcher);
stateSwitcher.Activate(this);
}
}
