about some information in app.json that is showable when my app was unpacked

hi,
If I unpack my app that is ipa or apk,
where are data in app.json included?
It says in this page that “Sensitive information such as secret keys are removed”, but is there any way to find out which specific items will be deleted?

Sensitive information such as secret keys are removed.

SDK Version: 38, 39
Platforms: Android/iOS

thanks