[Flutter] How to store config file outside app sandbox in macOS?

I want my app to retain configuration settings after updates. To achieve this, I need to store the config file outside the app sandbox, as the sandbox is deleted and recreated with each update. I am using flutter to make this app.

I tried to use

Directory libraryDir = await getLibraryDirectory();

But this will return the library folder inside the sandbox. Also, the document folder.

It will return the path such as /Users/caodingjie/Library/Containers/top.bugsmachine.iSearcher/Data/Library/iSearcher

How to store files in /Users/caodingjie/Library/iSearcher ?

Or, is there any other ways to achieve this?

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