if (syncMessage.getViewOnceOpen().isPresent()) {
final ViewOnceOpenMessage viewOnceOpenMessage = syncMessage.getViewOnceOpen().get();
System.out.println("Received sync message with view once open message:");
if (syncMessage.getViewOnceOpen().isPresent()) {
final ViewOnceOpenMessage viewOnceOpenMessage = syncMessage.getViewOnceOpen().get();
System.out.println("Received sync message with view once open message:");