public ScreenDefinition(string relativeRoute, ViewModelCreator <TViewModel> defaultViewModelCreator)
{
RelativeRoute = relativeRoute.Trim();
IsParameterRoute = RelativeRoute.StartsWith("{") && RelativeRoute.EndsWith("}");
ParameterName = RelativeRoute.Substring(1, RelativeRoute.Length - 2);
DefaultViewModelCreator = defaultViewModelCreator ?? throw new ArgumentNullException(nameof(defaultViewModelCreator));
}
