Finally, if you override or overload a member function and change its synchronization, you should also document why.

最后，如果覆盖或过载成员函数并更改其同步，则也应该写明原因。

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Each object to be serialized can itself contain instances of classes, which this overload can override with other classes.

要序列化的每个对象本身可包含类的实例，该重载可使用其他类重写这些实例。

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