private func handleMomentsChanges(_ changeInstance: PHChange) -> Bool {
        if let changeDetails = changeInstance.changeDetails(for: momentsFetchResult) {
            // Handle moments changes
            print("removed moments \(changeDetails.removedObjects.count)")
            print("changed moments \(changeDetails.changedObjects.count)")
            print("inserted moments \(changeDetails.insertedObjects.count)")
            remove(moments: changeDetails.removedObjects)
            assertedMarker?.markMoments(changed: changeDetails.changedObjects + changeDetails.insertedObjects,
                                        removed: changeDetails.removedObjects)
            return true
        }

        return false
    }

    private func handlePhotosChanges(_ changeInstance: PHChange) -> Bool {
        if let changeDetails = changeInstance.changeDetails(for: photosFetchResult) {
            let allAffetctedPhotos = changeDetails.changedObjects + changeDetails.insertedObjects + changeDetails.removedObjects
            print("removed assets \(changeDetails.removedObjects.count)")
            print("changed assets \(changeDetails.changedObjects.count)")
            print("inserted assets \(changeDetails.insertedObjects.count)")

            let marker = self.scanAreaMarker
            assert(marker != nil)
//            marker?.findMomentsByAssetIdentifiersAndMarkChanged(allAffetctedPhotos.map { $0.localIdentifier })
            return true
        }

        return false
    }