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diff --git a/src/corelib/statemachine/qabstractstate.cpp b/src/corelib/statemachine/qabstractstate.cpp
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--- a/src/corelib/statemachine/qabstractstate.cpp
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-/****************************************************************************
-**
-** Copyright (C) 2016 The Qt Company Ltd.
-** Contact: https://www.qt.io/licensing/
-**
-** This file is part of the QtCore module of the Qt Toolkit.
-**
-** $QT_BEGIN_LICENSE:LGPL$
-** 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.
-**
-** $QT_END_LICENSE$
-**
-****************************************************************************/
-
-#include "qabstractstate.h"
-#include "qabstractstate_p.h"
-#include "qstate.h"
-#include "qstate_p.h"
-#include "qstatemachine.h"
-#include "qstatemachine_p.h"
-
-QT_BEGIN_NAMESPACE
-
-/*!
-  \class QAbstractState
-  \inmodule QtCore
-
-  \brief The QAbstractState class is the base class of states of a QStateMachine.
-
-  \since 4.6
-  \ingroup statemachine
-
-  The QAbstractState class is the abstract base class of states that are part
-  of a QStateMachine. It defines the interface that all state objects have in
-  common. QAbstractState is part of \l{The State Machine Framework}.
-
-  The entered() signal is emitted when the state has been entered. The
-  exited() signal is emitted when the state has been exited.
-
-  The parentState() function returns the state's parent state. The machine()
-  function returns the state machine that the state is part of.
-
-  \section1 Subclassing
-
-  The onEntry() function is called when the state is entered; reimplement this
-  function to perform custom processing when the state is entered.
-
-  The onExit() function is called when the state is exited; reimplement this
-  function to perform custom processing when the state is exited.
-*/
-
-/*!
-    \property QAbstractState::active
-    \since 5.4
-
-    \brief the active property of this state. A state is active between
-    entered() and exited() signals.
-*/
-
-
-QAbstractStatePrivate::QAbstractStatePrivate(StateType type)
-    : stateType(type), isMachine(false), active(false), parentState(nullptr)
-{
-}
-
-QStateMachine *QAbstractStatePrivate::machine() const
-{
-    QObject *par = parent;
-    while (par != nullptr) {
-        if (QStateMachine *mach = qobject_cast<QStateMachine*>(par))
-            return mach;
-        par = par->parent();
-    }
-    return nullptr;
-}
-
-void QAbstractStatePrivate::callOnEntry(QEvent *e)
-{
-    Q_Q(QAbstractState);
-    q->onEntry(e);
-}
-
-void QAbstractStatePrivate::callOnExit(QEvent *e)
-{
-    Q_Q(QAbstractState);
-    q->onExit(e);
-}
-
-void QAbstractStatePrivate::emitEntered()
-{
-    Q_Q(QAbstractState);
-    emit q->entered(QAbstractState::QPrivateSignal());
-    if (!active) {
-        active = true;
-        emit q->activeChanged(true);
-    }
-}
-
-void QAbstractStatePrivate::emitExited()
-{
-    Q_Q(QAbstractState);
-    if (active) {
-        active = false;
-        emit q->activeChanged(false);
-    }
-    emit q->exited(QAbstractState::QPrivateSignal());
-}
-
-/*!
-  Constructs a new state with the given \a parent state.
-*/
-QAbstractState::QAbstractState(QState *parent)
-    : QObject(*new QAbstractStatePrivate(QAbstractStatePrivate::AbstractState), parent)
-{
-}
-
-/*!
-  \internal
-*/
-QAbstractState::QAbstractState(QAbstractStatePrivate &dd, QState *parent)
-    : QObject(dd, parent)
-{
-}
-
-/*!
-  Destroys this state.
-*/
-QAbstractState::~QAbstractState()
-{
-}
-
-/*!
-  Returns this state's parent state, or \nullptr if the state has no
-  parent state.
-*/
-QState *QAbstractState::parentState() const
-{
-    Q_D(const QAbstractState);
-    if (d->parentState != parent())
-        d->parentState = qobject_cast<QState*>(parent());
-    return d->parentState;
-}
-
-/*!
-  Returns the state machine that this state is part of, or \nullptr if
-  the state is not part of a state machine.
-*/
-QStateMachine *QAbstractState::machine() const
-{
-    Q_D(const QAbstractState);
-    return d->machine();
-}
-
-/*!
-  Returns whether this state is active.
-
-  \sa activeChanged(bool), entered(), exited()
-*/
-bool QAbstractState::active() const
-{
-    Q_D(const QAbstractState);
-    return d->active;
-}
-
-/*!
-  \fn QAbstractState::onExit(QEvent *event)
-
-  This function is called when the state is exited. The given \a event is what
-  caused the state to be exited. Reimplement this function to perform custom
-  processing when the state is exited.
-*/
-
-/*!
-  \fn QAbstractState::onEntry(QEvent *event)
-
-  This function is called when the state is entered. The given \a event is
-  what caused the state to be entered. Reimplement this function to perform
-  custom processing when the state is entered.
-*/
-
-/*!
-  \fn QAbstractState::entered()
-
-  This signal is emitted when the state has been entered (after onEntry() has
-  been called).
-*/
-
-/*!
-  \fn QAbstractState::exited()
-
-  This signal is emitted when the state has been exited (after onExit() has
-  been called).
-*/
-
-/*!
-  \fn QAbstractState::activeChanged(bool active)
-  \since 5.4
-
-  This signal is emitted when the active property is changed with \a active as argument.
-
-  \sa QAbstractState::active, entered(), exited()
-*/
-
-/*!
-  \reimp
-*/
-bool QAbstractState::event(QEvent *e)
-{
-    return QObject::event(e);
-}
-
-QT_END_NAMESPACE
-
-#include "moc_qabstractstate.cpp"