You need to bypass this logic to effectively always assure that the validate flag is set to true; higher up in the class, it is initialized with a default value of false.

为了有效地始终确保将验证标志设置为true，您需要绕开此逻辑；在类的上部，此值初始化时使用的缺省值为false。

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A new builder class lets developers quickly create notifications that include large and small ICONS, a title, a priority flag, and any properties already available in previous versions.

一个新的生成器类可以让开发者快速创建通知，通知可以包括大，小图标，标题，优先级标志和其它所有早期版本所具有的属性。

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If we had added a getValue method to class Leaf, we would either have to return some sort of flag value indicating that the method application is non-sensical or actually throw an exception.

如果我们已经向 Leaf 类添加了 getValue 方法，我们要么是不得不返回一些类型的标志值表明此方法应用是无意义的，要么是实际抛出一个异常。

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