void connectTo(ConnectedInterface* iface);
void disconnectTo(ConnectedInterface* iface);
//bool connectFrom(ConnectedInterface* iface);
ConnectedInterface* getConnectionToParentGroup();
ConnectedInterface* getConnectionFromParentGroup();
void connectTo(ConnectedInterface* iface);
void disconnectTo(ConnectedInterface* iface);
//bool connectFrom(ConnectedInterface* iface);
ConnectedInterface* getConnectionToParentGroup();
ConnectedInterface* getConnectionFromParentGroup();