using System;
 
public class Test
{
	public  class DictBase
    {
        public int Val;
    }
 
    class Dict1 : DictBase
    {
        public int GetVal()
        {
            return Val;
        }
    }
    class ConvertBase<T> where T : DictBase
    {
        public T _dict;
 
        public ConvertBase()
        {
            _dict = new T();
 
        }
 
        public void GetSome()
        {
            var t = _dict.Val;
        }
    }
 
    class Convert1 : ConvertBase<Dict1>
    {
        public void DoWork()
        {
            var t = _dict.GetVal();
        }
    }
	public static void Main()
	{
		// your code goes here
	}
}

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