Add Qt libs and headers

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

@@ -0,0 +1,52 @@
+// 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 QSEQUENTIALANIMATIONGROUP_H
+#define QSEQUENTIALANIMATIONGROUP_H
+
+#include <QtCore/qanimationgroup.h>
+
+QT_REQUIRE_CONFIG(animation);
+
+QT_BEGIN_NAMESPACE
+
+class QPauseAnimation;
+class QSequentialAnimationGroupPrivate;
+
+class Q_CORE_EXPORT QSequentialAnimationGroup : public QAnimationGroup
+{
+    Q_OBJECT
+    Q_PROPERTY(QAbstractAnimation *currentAnimation READ currentAnimation
+               NOTIFY currentAnimationChanged BINDABLE bindableCurrentAnimation)
+
+public:
+    QSequentialAnimationGroup(QObject *parent = nullptr);
+    ~QSequentialAnimationGroup();
+
+    QPauseAnimation *addPause(int msecs);
+    QPauseAnimation *insertPause(int index, int msecs);
+
+    QAbstractAnimation *currentAnimation() const;
+    QBindable<QAbstractAnimation *> bindableCurrentAnimation() const;
+    int duration() const override;
+
+Q_SIGNALS:
+    void currentAnimationChanged(QAbstractAnimation *current);
+
+protected:
+    QSequentialAnimationGroup(QSequentialAnimationGroupPrivate &dd, QObject *parent);
+    bool event(QEvent *event) override;
+
+    void updateCurrentTime(int) override;
+    void updateState(QAbstractAnimation::State newState, QAbstractAnimation::State oldState) override;
+    void updateDirection(QAbstractAnimation::Direction direction) override;
+
+private:
+    Q_DISABLE_COPY(QSequentialAnimationGroup)
+    Q_DECLARE_PRIVATE(QSequentialAnimationGroup)
+    Q_PRIVATE_SLOT(d_func(), void _q_uncontrolledAnimationFinished())
+};
+
+QT_END_NAMESPACE
+
+#endif //QSEQUENTIALANIMATIONGROUP_H