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diff --git a/lib/interfaces/extras/kdevvcsintegrator.h b/lib/interfaces/extras/kdevvcsintegrator.h
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+/* This file is part of the KDE project
+   Copyright (C) 2004 Alexander Dymo <adymo@kdevelop.org>
+
+   This library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public
+   License as published by the Free Software Foundation; either
+   version 2 of the License, or (at your option) any later version.
+
+   This library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public License
+   along with this library; see the file COPYING.LIB.  If not, write to
+   the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.
+*/
+#ifndef KDEVVCSINTEGRATOR_H
+#define KDEVVCSINTEGRATOR_H
+
+#include <qobject.h>
+
+/**
+@file kdevvcsintegrator.h
+The interface to VCS integrators.
+*/
+
+class QDomDocument;
+class QWidget;
+
+/**
+VCS Integration Dialog.
+
+Usually it is created as:
+@code
+class MyVCSDialog: public QWidget, public VCSDialog {
+    MyVCSDialog(QWidget *parent = 0, const char *name = 0);
+    virtual void accept() { ... }
+    virtual void init(const QString &projectName, const QString &projectLocation) { ... }
+    virtual QWidget *self() {
+        return const_cast<MyVCSDialog*>(this);
+    }
+}
+@endcode
+*/
+class VCSDialog {
+public:
+    VCSDialog() { }
+    /**Implement all integration actions here. Do not use QDialog::accept method
+    to perform integration actions.*/
+    virtual void accept() = 0;
+    /**Init integration dialog with the project name and location.*/
+    virtual void init(const QString &projectName, const QString &projectLocation) = 0;
+    /**Reimplement to return an actual integration widget. Use QWidgets for that, not
+    QDialogs because integrator dialogs are usually have parent containers.*/
+    virtual QWidget *self() = 0;
+};
+
+/**
+The interface to VCS integrators.
+VCS integrator takes care about setting up VCS for new and existing projects.
+It can, for example, perform checkout or import operations.
+*/
+class KDevVCSIntegrator: public QObject {
+    Q_OBJECT
+public:
+    KDevVCSIntegrator(QObject *parent = 0, const char *name = 0);
+
+    /**Reimplement to return a dialog to fetch the project from VCS.*/
+    virtual VCSDialog *fetcher(QWidget *parent) = 0;
+    /**Reimplement to return a dialog to integrate the project into VCS.*/
+    virtual VCSDialog *integrator(QWidget *parent) = 0;
+};
+
+#endif