Jobs.schedule(() -> {
      try {
        // <<< async task (e.g. server call)
      }
      finally {
        ModelJobs.schedule(() -> { // will not run when async job was cancelled
           // <<< show notification
        }, ModelJobs.newInput(ClientRunContexts.copyCurrent()));
      }
    }, Jobs.newInput()
        .withRunContext(ClientRunContexts.copyCurrent()));

    //we start inside a ui/client job, for example a user clicked a button
    ClientRunContext context = ClientRunContexts.copyCurrent();
    Jobs.schedule(() -> {
      //do something in background that takes ages.....
      //....

      //when done notify the user
      ModelJobs.schedule(() -> {
        DesktopNotification desktopNotification = new DesktopNotification(new Status("The job finished after {} seconds", 1234));
        context.getDesktop().addNotification(desktopNotification);
      }, Jobs.newInput());

    }, Jobs.newInput());