这个文件的格式与c语言相似。必须指定一个或多个提供者，在每个提供者中指定希望在代码中支持的探测。
The format of the file is similar to C. you must specify one or more providers, and within each provider, specify each probe that you want to support in your code.
这样将使它们具备双重竞争优势；所有人都必须花费额外的时间和金钱支持这种格式，并且任何人的支持都不会是最好的。
That gives them a double-edged competitive advantage; everyone else has to spend extra time and money supporting that format, and no one else's support will ever be as good.
例如，如果想同时处理日历数据和地址数据，就必须保证解析器同时支持这两种格式，或者使用两种不同的解析器。
For example, if you want to process both calendar data and address data, you have to make sure your parser supports both or use two different parsers.
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