w.Box = gtk.NewBox(gtk.OrientationVertical, 0)
w.Notebook = gtk.NewNotebook()
w.Instances = NewInstances(ctx, w.client)
instanceLabel := gtk.NewLabel("Instances")
secondLabel := gtk.NewLabel("Second")
secondBox := gtk.NewBox(gtk.OrientationHorizontal, 0)
w.Notebook.AppendPage(w.Instances, instanceLabel)
w.Notebook.AppendPage(secondBox, secondLabel)
w.Header = adw.NewHeaderBar()
w.Header.PackEnd(dd)
w.Box.Append(w.Header)
w.Box = gtk.NewBox(gtk.OrientationVertical, 0)
w.Notebook = gtk.NewNotebook()
w.Instances = NewInstances(ctx, w.client)
instanceLabel := gtk.NewLabel("Instances")
secondLabel := gtk.NewLabel("Second")
secondBox := gtk.NewBox(gtk.OrientationHorizontal, 0)
w.Notebook.AppendPage(w.Instances, instanceLabel)
w.Notebook.AppendPage(secondBox, secondLabel)
w.Header = adw.NewHeaderBar()
w.Header.PackEnd(dd)
w.Box.Append(w.Header)