Possible uSiteBuilder syntax for property update or deletion

gistfile1.cs

using System;
using System.Collections.Generic;
using System.Web;
using Vega.USiteBuilder;

namespace Umb.DocTypes
{
    [DocumentType]
    public class TestPage : Vega.USiteBuilder.DocumentTypeBase
    {
        [Obsolete] // Delete
        [DocumentTypeProperty(UmbracoPropertyType.Textstring)]
        public string DeleteTestString { get; set; }
        
        [Obsolete(UseInstead = "UpdateTestString2")] // Update
        [DocumentTypeProperty(UmbracoPropertyType.Textstring)]
        public string UpdateTestString { get; set; }
        
        [DocumentTypeProperty(UmbracoPropertyType.Textstring)]
        public string UpdateTestString2 { get; set; }
    }
}