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diff --git a/sources/shiboken6/libshiboken/autodecref.h b/sources/shiboken6/libshiboken/autodecref.h
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+/****************************************************************************
+**
+** Copyright (C) 2016 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of Qt for Python.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and The Qt Company. For licensing terms
+** and conditions see https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://www.qt.io/contact-us.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 3 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL3 included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU Lesser General Public License version 3 requirements
+** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 2.0 or (at your option) the GNU General
+** Public license version 3 or any later version approved by the KDE Free
+** Qt Foundation. The licenses are as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-2.0.html and
+** https://www.gnu.org/licenses/gpl-3.0.html.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef AUTODECREF_H
+#define AUTODECREF_H
+
+#include "sbkpython.h"
+#include "basewrapper.h"
+
+struct SbkObject;
+namespace Shiboken
+{
+
+/**
+ *  AutoDecRef holds a PyObject pointer and decrement its reference counter when destroyed.
+ */
+struct LIBSHIBOKEN_API AutoDecRef
+{
+public:
+    AutoDecRef(const AutoDecRef &) = delete;
+    AutoDecRef(AutoDecRef &&) = delete;
+    AutoDecRef &operator=(const AutoDecRef &) = delete;
+    AutoDecRef &operator=(AutoDecRef &&) = delete;
+
+    /**
+     * AutoDecRef constructor.
+     * \param pyobj A borrowed reference to a Python object
+     */
+    explicit AutoDecRef(PyObject *pyObj) : m_pyObj(pyObj) {}
+    /**
+     * AutoDecRef constructor.
+     * \param pyobj A borrowed reference to a Python object
+     */
+    explicit AutoDecRef(SbkObject *pyObj) : m_pyObj(reinterpret_cast<PyObject *>(pyObj)) {}
+
+    /// Decref the borrowed python reference
+    ~AutoDecRef()
+    {
+        Py_XDECREF(m_pyObj);
+    }
+
+    inline bool isNull() const { return m_pyObj == nullptr; }
+    /// Returns the pointer of the Python object being held.
+    inline PyObject *object() { return m_pyObj; }
+    inline operator PyObject *() { return m_pyObj; }
+#ifndef Py_LIMITED_API
+    inline operator PyTupleObject *() { return reinterpret_cast<PyTupleObject *>(m_pyObj); }
+#endif
+    inline operator bool() const { return m_pyObj != nullptr; }
+    inline PyObject *operator->() { return m_pyObj; }
+
+    template<typename T>
+    T cast()
+    {
+        return reinterpret_cast<T>(m_pyObj);
+    }
+
+    /**
+     * Decref the current borrowed python reference and borrow \p other.
+     */
+    void reset(PyObject *other)
+    {
+        // Safely decref m_pyObj. See Py_XSETREF in object.h .
+        PyObject *_py_tmp = m_pyObj;
+        m_pyObj = other;
+        Py_XDECREF(_py_tmp);
+    }
+private:
+    PyObject *m_pyObj;
+};
+
+} // namespace Shiboken
+
+#endif // AUTODECREF_H
+