If there's a loop between Shake (appearing as SHKNotificationProxy) and Firebase Messaging (RNFBMessagingUNUserNotificationCenter), that's because both libraries swizzle the same method, reversing the order in which the swizzle happens indefinitely.

The fix is simple, delay the instantiation of one library for a few seconds:
​Shake.start
​Firebase.init

If that doesn't work, rearrange the Shake and Firebase library instantiations too.
​

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