Add Qt libs and headers

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

@@ -0,0 +1,42 @@
+// 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 QANIMATIONGROUP_H
+#define QANIMATIONGROUP_H
+
+#include <QtCore/qabstractanimation.h>
+
+QT_REQUIRE_CONFIG(animation);
+
+QT_BEGIN_NAMESPACE
+
+class QAnimationGroupPrivate;
+class Q_CORE_EXPORT QAnimationGroup : public QAbstractAnimation
+{
+    Q_OBJECT
+
+public:
+    QAnimationGroup(QObject *parent = nullptr);
+    ~QAnimationGroup();
+
+    QAbstractAnimation *animationAt(int index) const;
+    int animationCount() const;
+    int indexOfAnimation(QAbstractAnimation *animation) const;
+    void addAnimation(QAbstractAnimation *animation);
+    void insertAnimation(int index, QAbstractAnimation *animation);
+    void removeAnimation(QAbstractAnimation *animation);
+    QAbstractAnimation *takeAnimation(int index);
+    void clear();
+
+protected:
+    QAnimationGroup(QAnimationGroupPrivate &dd, QObject *parent);
+    bool event(QEvent *event) override;
+
+private:
+    Q_DISABLE_COPY(QAnimationGroup)
+    Q_DECLARE_PRIVATE(QAnimationGroup)
+};
+
+QT_END_NAMESPACE
+
+#endif //QANIMATIONGROUP_H