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diff --git a/src/libs/codemodelbackendipc/connectionclient.h b/src/libs/codemodelbackendipc/connectionclient.h
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+/****************************************************************************
+**
+** Copyright (C) 2015 The Qt Company Ltd.
+** Contact: http://www.qt.io/licensing
+**
+** This file is part of Qt Creator.
+**
+** 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 Digia.  For licensing terms and
+** conditions see http://www.qt.io/licensing.  For further information
+** use the contact form at http://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 2.1 or version 3 as published by the Free
+** Software Foundation and appearing in the file LICENSE.LGPLv21 and
+** LICENSE.LGPLv3 included in the packaging of this file.  Please review the
+** following information to ensure the GNU Lesser General Public License
+** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
+** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Digia gives you certain additional
+** rights.  These rights are described in the Digia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+****************************************************************************/
+
+#ifndef CODEMODELBACKEND_CONNECTIONCLIENT_H
+#define CODEMODELBACKEND_CONNECTIONCLIENT_H
+
+#include <QLocalSocket>
+
+#include <memory>
+
+#include "ipcserverproxy.h"
+
+QT_BEGIN_NAMESPACE
+class QProcess;
+QT_END_NAMESPACE
+
+class Utf8String;
+class Utf8StringVector;
+
+namespace CodeModelBackEnd {
+
+class FileContainer;
+
+class CMBIPC_EXPORT ConnectionClient : public QObject
+{
+    Q_OBJECT
+
+public:
+    ConnectionClient(IpcClientInterface *client);
+    ~ConnectionClient();
+
+    bool connectToServer();
+    bool disconnectFromServer();
+    bool isConnected() const;
+
+    void sendEndCommand();
+
+    void resetProcessAliveTimer();
+    void setProcessAliveTimerInterval(int processTimerInterval);
+
+    const QString &processPath() const;
+    void setProcessPath(const QString &processPath);
+
+    void startProcess();
+    void restartProcess();
+    void restartProcessIfTimerIsNotResettedAndSocketIsEmpty();
+    void finishProcess();
+    bool isProcessIsRunning() const;
+
+    bool waitForEcho();
+
+    IpcServerProxy &serverProxy();
+
+    QProcess *processForTestOnly() const;
+
+signals:
+    void processRestarted();
+
+private:
+    bool connectToLocalSocket();
+    void endProcess();
+    void terminateProcess();
+    void killProcess();
+    void printLocalSocketError(QLocalSocket::LocalSocketError socketError);
+    void printStandardOutput();
+    void printStandardError();
+
+    QProcess *process() const;
+    void connectProcessFinished() const;
+    void disconnectProcessFinished() const;
+    void connectStandardOutputAndError() const;
+
+    void waitUntilSocketIsFlushed() const;
+
+private:
+    mutable std::unique_ptr<QProcess> process_;
+    QLocalSocket localSocket;
+    IpcServerProxy serverProxy_;
+    QTimer processAliveTimer;
+    QString processPath_;
+    bool isAliveTimerResetted;
+};
+
+} // namespace CodeModelBackEnd
+
+#endif // CODEMODELBACKEND_CONNECTIONCLIENT_H