dseign-time BindingContext and runtime resolve

AppViewModelBase.cs

public class AppViewModelBase<T> : ViewModelBase
    where T : AppViewModelBase<T>
{
    public static T DesignInstance { get; } = null; // For design
}

MenuView.xaml

<?xml version="1.0" encoding="UTF-8" ?>
<ContentView x:Class="FormsApp.Modules.MenuView"
             xmlns="http://xamarin.com/schemas/2014/forms"
             xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
             xmlns:modules="clr-namespace:FormsApp.Modules;assembly=FormsApp"
             xmlns:resolver="clr-namespace:Smart.Forms.Resolver;assembly=Smart.Forms"
             BindingContext="{Binding Source={x:Static modules:MenuViewModel.DesignInstance}}"
             resolver:BindingContextResolver.Type="{x:Type modules:MenuViewModel}">

</ContentView>

MenuViewModel.cs

public class MenuViewModel : AppViewModelBase<MenuViewModel>
{
}