public bool is_satisfied_by(Quantity item_quantity, Country country) { if (item_quantity.contains_more_than(quantity_threshold)) return false; else return true; }
internal void increase_item_quantity_by(Quantity quantity) { throw new NotImplementedException(); }
internal bool is_satisfied_by(Quantity item_quantity) { throw new NotImplementedException(); }
internal bool contains_more_than(Quantity quantity_threshold) { throw new NotImplementedException(); }
public Quantity add(Quantity quantity) { throw new NotImplementedException(); }