What to use instead of the deprecated ABAddressBookRegisterExternalChangeCallback(::_:) function?

I found information about the ABAddressBookRegisterExternalChangeCallback(::_:) function of the Address Book Framework, but that function has been deprecated, and only works with iOS 2.0–9.0. I don't see a function in the Contacts Framework that does what that function does. Is there some way that the Contacts Framework could do something that this function provided a solution for?

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  • I saw that first post or another post about the same thing. I've used the solution that the second post you shared uses. This question was part of my search for a way monitor whenever a contact store changes even when my app is not running. Thanks for the input.

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