public static void Main(string[] args) { PropertyBag <bool> props = new PropertyBag <bool>(); props.Add(SwiftString.FromString("healthy"), true); props.Add(SwiftString.FromString("wealthy"), true); props.Add(SwiftString.FromString("wise"), false); foreach (var pair in props.Contents()) { Console.WriteLine($"{pair.Item1} : {pair.Item2}"); } }