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diff --git a/akregator/src/mk4storage/storagemk4impl.h b/akregator/src/mk4storage/storagemk4impl.h
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+/*
+    This file is part of Akregator.
+
+    Copyright (C) 2005 Stanislav Karchebny <Stanislav.Karchebny@kdemail.net>
+                  2005 Frank Osterfeld <frank.osterfeld@kdemail.net>
+
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    This program 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 General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program; if not, write to the Free Software
+    Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+
+    As a special exception, permission is given to link this program
+    with any edition of Qt, and distribute the resulting executable,
+    without including the source code for Qt in the source distribution.
+*/
+
+#ifndef STORAGEMK4IMPL_H
+#define STORAGEMK4IMPL_H
+
+#include "storage.h"
+
+namespace Akregator {
+namespace Backend {
+
+/**
+ * Metakit implementation of Storage interface
+ */
+class StorageMK4Impl : public Storage
+{
+    Q_OBJECT
+    public:
+
+        StorageMK4Impl();     
+        StorageMK4Impl(const StorageMK4Impl&);
+        StorageMK4Impl &operator =(const StorageMK4Impl&);
+        virtual ~StorageMK4Impl();
+
+
+        /** KGlobal::dirs()->saveLocation("data", "akregator")+"/Archive" */
+        static QString defaultArchivePath();
+        
+        /** sets the directory where the metakit files will be stored.
+            
+            @param archivePath the path to the archive, or QString::null to reset it to the default.
+         */   
+        void setArchivePath(const QString& archivePath);
+
+        /** returns the path to the metakit archives */
+        QString archivePath() const;
+
+        
+        
+        virtual void initialize(const QStringList& params);
+        /**
+         * Open storage and prepare it for work.
+         * @return true on success.
+         */
+        virtual bool open(bool autoCommit = false);
+
+        /**
+         * Commit changes made in feeds and articles, making them persistent.
+         * @return true on success.
+         */
+        virtual bool commit();
+
+        /**
+         * Rollback changes made in feeds and articles, reverting to last committed values.
+         * @returns true on success.
+         */
+        virtual bool rollback();
+
+        /**
+         * Closes storage, freeing all allocated resources. Called from destructor, so you don't need to call it directly.
+         * @return true on success.
+         */
+        virtual bool close();
+
+        /**
+         * @return Article archive for feed at given url.
+         */
+        virtual FeedStorage* archiveFor(const QString &url);
+        virtual bool autoCommit() const;
+        virtual int unreadFor(const QString &url);
+        virtual void setUnreadFor(const QString &url, int unread);
+        virtual int totalCountFor(const QString &url);
+        virtual void setTotalCountFor(const QString &url, int total);
+        virtual int lastFetchFor(const QString& url);
+        virtual void setLastFetchFor(const QString& url, int lastFetch);
+        
+        virtual QStringList feeds() const;
+       
+        virtual void storeFeedList(const QString& opmlStr);
+        virtual QString restoreFeedList() const;
+
+        virtual void storeTagSet(const QString& xmlStr);
+        virtual QString restoreTagSet() const; 
+  
+        /** adds all feed storages from a source to this storage
+            existing articles are replaced
+        */
+        virtual void add(Storage* source);
+        
+        /** deletes all feed storages in this archive */
+        virtual void clear();
+        
+        virtual bool taggingEnabled() const;
+        
+        void markDirty();
+
+    protected slots:
+        virtual void slotCommit();
+        
+    private:
+        class StorageMK4ImplPrivate;
+        StorageMK4ImplPrivate *d;
+};
+
+}
+}
+
+#endif // STORAGEMK4IMPL_H