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diff --git a/libtdenetwork/gpgmepp/interfaces/progressprovider.h b/libtdenetwork/gpgmepp/interfaces/progressprovider.h
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+/* interface/progressprovider.h - Interface for progress reports
+   Copyright (C) 2003 Klarälvdalens Datakonsult AB
+
+   This file is part of GPGME++.
+ 
+   GPGME++ 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.
+ 
+   GPGME++ 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 GPGME; if not, write to the Free Software Foundation,
+   Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+*/
+
+#ifndef __GPGMEPP_INTERFACES_PROGRESSPROVIDER_H__
+#define __GPGMEPP_INTERFACES_PROGRESSPROVIDER_H__
+
+namespace GpgME {
+
+  class ProgressProvider {
+  public:
+    virtual ~ProgressProvider() {}
+
+    virtual void showProgress( const char * what, int type,
+			       int current, int total ) = 0;
+  };
+
+} // namespace GpgME
+
+#endif // __GPGMEPP_INTERFACES_PROGRESSPROVIDER_H__