+void CoreConnectDlg::on_useInternalCore_clicked() {
+// // FIXME: this needs to be a qobject_cast - therefore MonolithicApplication needs to be a proper QObject... :/
+// MonolithicApplication *monoApp = qobject_cast<MonolithicApplication *>(QApplication::instance());
+// if(monoApp) {
+// qDebug() << "starting core...";
+// monoApp->startInternalCore();
+// monoApp->connectClientSyncer(clientSyncer);
+// }
+ clientSyncer->useInternalCore();
+ startSync();
+}
+