public class ExampleSimple : MonoBehaviour
{
    public string stringValue;
    public float floatValue;
    public int intValue;
    public Color colorValue;

    
    void Start()
    {
        var root = GetComponent<RosettaUIRoot>();
        root.Build(CreateElement());
    }

    Element CreateElement()
    {
        return UI.Window(nameof(ExampleSimple),
            UI.Page(
                UI.Field(() => stringValue),
                UI.Slider(() => floatValue),
                UI.Row(
                    UI.Field(() => intValue),
                    UI.Button("+", () => intValue++),
                    UI.Button("-", () => intValue--)
                ),
                UI.Field(() => colorValue)
            )
        );
    }
}