public void createAlbum(MyFunctionClass callback) { }
public void showOfferLead(MyFunctionClass callback = null) { }
public void buyOffer(string msg, double votes, string offer_id, string type, double money, MyFunctionClass callback) { }
public void createAlbum(MyFunctionClass callback) { }
public void showOfferLead(MyFunctionClass callback = null) { }
public void buyOffer(string msg, double votes, string offer_id, string type, double money, MyFunctionClass callback) { }