using System;
 
public class Test
{
	interface ITest
	{
	}
 
	class ServiceBase<T>
	{
	}
 
	class ServiceClient : ServiceBase<ITest>
	{
		public string Data { get; set; }
	}
 
	static string GetFoo2() {
         return Execute<ServiceClient, ITest, string>((ServiceClient clnt) => clnt.Data);
      }
 
    static TResult Execute<TService, TInterface, TResult>(Func<TService, TResult> fnc)
    where TService : ServiceBase<TInterface> /*, IDisposable*/, new()
    {
    	return default(TResult);
    }
 
	public static void Main()
	{
	   Test.GetFoo2();
	}
}

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