如果没有找到也没关系，因为您总是可以开发自己的解决方案，也可以定制现有的一段代码。
If not, you could always develop your own solution, or you might be able to customize an existing piece of code.
首先考虑这样一种情况：假设您通过定制的InProgress注释标记一个类正在开发之中，这完全没有问题，对吧？
First, take a use case: Suppose that you mark a class as being in progress, through your own custom InProgress annotation. No problem, right?
如果没有统一的策略，开发人员就要为每个网络应用程序重复实现定制的安全机制。
Without a unified strategy, developers re-implement custom security for each network application.
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