using System;

using System.Net.Http;

using System.Text;

​

namespace ConsoleApp1

{

    public interface IHttpContent

    {

        StringContent StringContent { get; set; }

    }

    public class BasicHttpContent : IHttpContent

    {

        public StringContent StringContent { get; set; }

        public BasicHttpContent(string content)

        {

            StringContent = new StringContent(content, Encoding.UTF8);

        }

        public BasicHttpContent() { }

    }

​

    public class JsonHttpContent<T> : BasicHttpContent, IScrubbableContent<T>

    {

        public T Object { get; set; }

        public Type Type { get; set; }

        public JsonHttpContent(T value)

        {

            Object = value;

            Type = value.GetType();

            //StringContent = new StringContent(content, Encoding.UTF8);

        }

    }

    public interface IScrubbableContent<T> : IScrubbableContent

    {

        T Object { get; set; }

    };

    public interface IScrubbableContent

    {

        Type Type { get; set; }

    }

    public class Program

    {

        public static void Main(string[] args)

        {

            FancyRequest request = new FancyRequest { Id = "David" };

            JsonHttpContent<FancyRequest> jsonContent = new JsonHttpContent<FancyRequest>(request);

            BasicHttpContent stringContent = jsonContent as BasicHttpContent;

            Console.WriteLine(stringContent.GetType());

            Console.WriteLine(stringContent is IScrubbableContent);

            Type contentType = stringContent.GetType();

            var oddContent = stringContent as contentType;

        }    

    }

    public class FancyRequest

    {

        public string Id;

    }

}

​