使用JSON协议处理版本控制的最佳方式是什么?

I am normally writing all parts of the code in C# and when writing protocols that are serialized I use FastSerializer that serializes/deserializes the classes fast and efficient. It is also very easy to use, and fairly straight-forward to do "versioning", ie to handle different versions of the serialization. The thing I normally use, looks like this:I am normally writing all parts of the code in