Add Qt libs and headers

paho-mqtt3as-proxy/Qt/include/QtWebSockets/qmaskgenerator.h

@@ -0,0 +1,26 @@
+// Copyright (C) 2016 Kurt Pattyn <pattyn.kurt@gmail.com>.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
+
+#ifndef QMASKGENERATOR_H
+#define QMASKGENERATOR_H
+
+#include <QtCore/QObject>
+#include "QtWebSockets/qwebsockets_global.h"
+
+QT_BEGIN_NAMESPACE
+
+class Q_WEBSOCKETS_EXPORT QMaskGenerator : public QObject
+{
+    Q_DISABLE_COPY(QMaskGenerator)
+
+public:
+    explicit QMaskGenerator(QObject *parent = nullptr);
+    ~QMaskGenerator() override;
+
+    virtual bool seed() = 0;
+    virtual quint32 nextMask() = 0;
+};
+
+QT_END_NAMESPACE
+
+#endif // QMASKGENERATOR_H