我们需要向这个文件添加一个东西为类实例级授权扩展策略定义：一个与许可权语句相关的可选关系参数。

We need to add one thing to this file to extend the policy definition for class instance-level authorization: an optional relationship parameter associated with a permission statement.

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例如，如果您打算添加一个字段，它或许可以在不做修改的情况下接受新文件，而这取决于解析器是如何编写的。

If you were to add a field, for example, it might be able to accept the new file without modification, depending on how the parser was written.

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您可以在服务配置文件中添加许可协议。

You can add a license agreement to this service profile.

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