Add Qt libs and headers

paho-mqtt3as-proxy/Qt/include/QtCore/qlibraryinfo.h

@@ -0,0 +1,66 @@
+// Copyright (C) 2016 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
+
+#ifndef QLIBRARYINFO_H
+#define QLIBRARYINFO_H
+
+#include <QtCore/qstring.h>
+#include <QtCore/qdatetime.h>
+#include <QtCore/qversionnumber.h>
+
+QT_BEGIN_NAMESPACE
+
+class Q_CORE_EXPORT QLibraryInfo
+{
+public:
+    static const char *build() noexcept;
+
+    [[nodiscard]] static bool isDebugBuild() noexcept Q_DECL_CONST_FUNCTION;
+    [[nodiscard]] static bool isSharedBuild() noexcept Q_DECL_CONST_FUNCTION;
+
+#ifndef QT_BOOTSTRAPPED
+    static QVersionNumber version() noexcept Q_DECL_CONST_FUNCTION;
+#endif
+
+    enum LibraryPath {
+        PrefixPath = 0,
+        DocumentationPath,
+        HeadersPath,
+        LibrariesPath,
+        LibraryExecutablesPath,
+        BinariesPath,
+        PluginsPath,
+        QmlImportsPath,
+        Qml2ImportsPath = QmlImportsPath,
+        ArchDataPath,
+        DataPath,
+        TranslationsPath,
+        ExamplesPath,
+        TestsPath,
+        // Insert new values above this line
+        // Please read the comments in qconfig.cpp.in before adding
+        SettingsPath = 100
+    };
+    static QString path(LibraryPath p);
+#if QT_DEPRECATED_SINCE(6, 0)
+    using LibraryLocation = LibraryPath;
+    QT_DEPRECATED_VERSION_X_6_0("Use path()")
+    static QString location(LibraryLocation location)
+    { return path(location); }
+#endif
+    static QStringList platformPluginArguments(const QString &platformName);
+
+private:
+    QLibraryInfo();
+};
+
+#if QT_DEPRECATED_SINCE(6, 9)
+
+QT_DEPRECATED_VERSION_X_6_9("Use QLibraryInfo::isSharedBuild() instead.")
+Q_CORE_EXPORT Q_DECL_CONST_FUNCTION bool qSharedBuild() noexcept;
+
+#endif
+
+QT_END_NAMESPACE
+
+#endif // QLIBRARYINFO_H