Using deferred init to ensure that we init FEmptyNode only once
Using deferred init to ensure that we init FEmptyNode only once

Using deferred init to ensure that we init FEmptyNode only once
firebase/firebase-ios-sdk,firebase/firebase-ios-sdk,firebase/firebase-ios-sdk,firebase/firebase-ios-sdk,firebase/firebase-ios-sdk,firebase/firebase-ios-sdk,firebase/firebase-ios-sdk