不要限制服务从客户端接收的类型。
Do not restrict a type that the service receives from a client.
如果旧客户端接收了新的扩展类型，那么反序列化(deserialization)将会以失败而告终。
If an old client were to receive a new extension type, the client deserialization would fail.
如果旧客户端接收了新的扩展类型，那么反序列化(deserialization)将会以失败而告终。
If an old client were to receive a new extension type, the client deserialization would fail.
应用推荐