public void IdentityChanged(object sender, EventArgs e)
        {
            var identityChangedEvent = e as IdentityChangedArgs;

            AmazonLogging.Log(AmazonLogging.AmazonLoggingLevel.Info, "DefaultCognitoSyncManager", "identity change detected");

            local.ChangeIdentityId(identityChangedEvent.OldIdentityId == null ? DatasetUtils.UNKNOWN_IDENTITY_ID
                                   : identityChangedEvent.OldIdentityId, identityChangedEvent.NewIdentityId);
        }