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diff --git a/libkcal/freebusy.h b/libkcal/freebusy.h
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+/*
+    This file is part of libkcal.
+
+    Copyright (c) 2001-2003 Cornelius Schumacher <schumacher@kde.org>
+    Copyright (C) 2004 Reinhold Kainhofer <reinhold@kainhofer.com>
+
+    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., 51 Franklin Street, Fifth Floor,
+    Boston, MA 02110-1301, USA.
+*/
+#ifndef KCAL_FREEBUSY_H
+#define KCAL_FREEBUSY_H
+
+#include <qdatetime.h>
+#include <qvaluelist.h>
+#include <qptrlist.h>
+
+#include "period.h"
+#include "calendar.h"
+
+#include "incidencebase.h"
+
+namespace KCal {
+
+  typedef QValueList<Period> PeriodList;
+/**
+  This class provides information about free/busy time of a calendar user.
+*/
+class LIBKCAL_EXPORT FreeBusy : public IncidenceBase
+{
+  public:
+    FreeBusy();
+    FreeBusy( const QDateTime &start, const QDateTime &end );
+    FreeBusy( Calendar *calendar, const QDateTime &start,
+              const QDateTime &end );
+    FreeBusy( PeriodList busyPeriods );
+
+    ~FreeBusy();
+    
+    QCString type() const { return "FreeBusy"; }
+
+    virtual QDateTime dtEnd() const;
+    bool setDtEnd( const QDateTime &end );
+
+    PeriodList busyPeriods() const;
+
+    /** Adds a period to the freebusy list and sorts the list.  */
+    void addPeriod( const QDateTime &start, const QDateTime &end );
+    void addPeriod( const QDateTime &start, const Duration &dur );
+    /** Adds a list of periods to the freebusy object and then sorts
+     * that list. Use this if you are adding many items, instead of the
+     * addPeriod method, to avoid sorting repeatedly.  */
+    void addPeriods( const PeriodList & );
+    void sortList();
+
+    void merge( FreeBusy *freebusy );
+    
+  private:
+    bool accept( Visitor &v ) { return v.visit( this ); }
+    //This is used for creating a freebusy object for the current user
+    bool addLocalPeriod( const QDateTime &start, const QDateTime &end );
+
+    QDateTime mDtEnd;
+    PeriodList mBusyPeriods;
+    Calendar *mCalendar;
+
+    class Private;
+    Private *d;
+};
+
+}
+
+#endif