Add Qt libs and headers

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

@@ -0,0 +1,62 @@
+// Copyright (C) 2020 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 QBASICTIMER_H
+#define QBASICTIMER_H
+
+#include <QtCore/qglobal.h>
+#include <QtCore/qnamespace.h>
+
+#include <chrono>
+
+QT_BEGIN_NAMESPACE
+
+
+class QObject;
+
+class Q_CORE_EXPORT QBasicTimer
+{
+    int id;
+    Q_DISABLE_COPY(QBasicTimer)
+
+public:
+    constexpr QBasicTimer() noexcept : id{0} {}
+    inline ~QBasicTimer() { if (id) stop(); }
+
+    QBasicTimer(QBasicTimer &&other) noexcept
+        : id{std::exchange(other.id, 0)}
+    {}
+
+    QT_MOVE_ASSIGNMENT_OPERATOR_IMPL_VIA_MOVE_AND_SWAP(QBasicTimer)
+
+    void swap(QBasicTimer &other) noexcept { std::swap(id, other.id); }
+
+    bool isActive() const noexcept { return id != 0; }
+    int timerId() const noexcept { return id; }
+    QT_CORE_INLINE_SINCE(6, 5)
+    void start(int msec, QObject *obj);
+    QT_CORE_INLINE_SINCE(6, 5)
+    void start(int msec, Qt::TimerType timerType, QObject *obj);
+    void start(std::chrono::milliseconds duration, QObject *obj);
+    void start(std::chrono::milliseconds duration, Qt::TimerType timerType, QObject *obj);
+    void stop();
+};
+Q_DECLARE_TYPEINFO(QBasicTimer, Q_RELOCATABLE_TYPE);
+
+#if QT_CORE_INLINE_IMPL_SINCE(6, 5)
+void QBasicTimer::start(int msec, QObject *obj)
+{
+    start(std::chrono::milliseconds{msec}, obj);
+}
+
+void QBasicTimer::start(int msec, Qt::TimerType t, QObject *obj)
+{
+    start(std::chrono::milliseconds{msec}, t, obj);
+}
+#endif
+
+inline void swap(QBasicTimer &lhs, QBasicTimer &rhs) noexcept { lhs.swap(rhs); }
+
+QT_END_NAMESPACE
+
+#endif // QBASICTIMER_H