public class Person
    {
        public IObservableProperty<string> Firstname { get; set; } = new ObservableProperty<string>
        {
            Value = "",
            OnGet = () => WriteLine($"Getting {nameof(Firstname)}"),
            OnSet = (value) => WriteLine($"Setting {nameof(Firstname)} to {value}")
        };

        public IObservableProperty<string> Lastname { get; set; } = new ObservableProperty<string>
        {
            Value = "",
            OnGet = () => WriteLine($"Getting {nameof(Lastname)}"),
            OnSet = (value) => WriteLine($"Setting {nameof(Lastname)} to {value}")
        };

        public IObservableProperty<uint> Age { get; set; } = new ObservableProperty<uint>
        {
            Value = 0,
            OnGet = () => WriteLine($"Getting {nameof(Age)}"),
            OnSet = (value) => WriteLine($"Setting {nameof(Age)} to {value}")
        };
    }