Merge feature/qt6-migration-basis-modules-services into feature/qt6-migration-basis-modules

Resolves 17 conflicts against legacy Qt5 semantics; validates with BUILD_RTI=ON BUILD_GRANTLEE=ON.

qt6-after/qt6-migrated-legatus/.forward-declarations/include/AdlerJson/settings.h

@@ -0,0 +1,33 @@
+/**
+  * Settings for TetraRadio
+  * $Id: settings.h 63154 2024-06-25 11:19:33Z karwat $
+  * $HeadURL: svn://slssvn/TDS/branches/product/features/24_adler/Lts/Proxies/TrainingAreaBase/settings.h $
+  * $Author: karwat $
+  * Created by Christian Ehrlicher, SLSE, 2016-04-14
+  */
+#pragma once
+
+#include <QtCore/QString>
+#include <QtCore/QJsonObject>
+
+namespace NGL
+{
+class Settings;
+}
+
+namespace TrainingAreaBase
+{
+
+namespace Settings
+{
+
+//!< The real NGL::Settings - object
+NGL::Settings *settings();
+
+void setIniFile(const QString &ini);
+QString txDir();
+QString rxDir();
+QPair<quint16, quint16> getWebSocketServerPortRange(int type);
+}
+
+} // namespace TrainingAreaBase