private void OnChanged(object sender, ReplicationChangeEventArgs args)
        {
            Console.WriteLine($"Replication change status {args.Status} [{args.Source}]");

            _changedHandler?.Invoke(args.Source);

            var error = _pull?.LastError;

            if (error != null && error != _syncError)
            {
                _syncError = error;
                DisplayAlert("Error", _syncError.ToString(), "OK");
                _pull?.ClearAuthenticationStores();
            }
        }