1         private class TestClass_4
 2         {
 3             public virtual int Metal { get; set; }
 4             public virtual int Wood { get; set; }
 5             public virtual int Water { get; set; }
 6         }
 7 
 8         private class TestClass_5 : TestClass_4
 9         {
10             public override int Metal
11             {
12                 get
13                 {
14                     return base.Metal;
15                 }
16                 set
17                 {
18                     base.Metal = value;
19                 }
20             }
21         }