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diff --git a/udkapi/com/sun/star/io/MarkableOutputStream.idl b/udkapi/com/sun/star/io/MarkableOutputStream.idl
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+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+#ifndef __com_sun_star_io_MarkableOutputStream_idl__
+#define __com_sun_star_io_MarkableOutputStream_idl__
+
+#include <com/sun/star/io/XMarkableStream.idl>
+#include <com/sun/star/io/XActiveDataSource.idl>
+#include <com/sun/star/io/XConnectable.idl>
+
+
+module com {  module sun {  module star {  module io {
+
+/** allows to set marks in an outputstream and to later jump back to these
+    marks.
+    <p>The implementation stores the data as long as marks exists
+    and later writes these data into the output stream,
+    that has been set previously at the XActiveDataSource
+    interface. </p>
+ */
+published service MarkableOutputStream
+{
+    /** allows to write data at the current position.
+        <p> Flushing the outputstream will only flush data,
+            which was written before the first non-deleted mark,
+            because data after the first non-deleted mark
+            may be modified by later jumpToMark()/writeBytes() calls.
+     */
+    interface com::sun::star::io::XOutputStream;
+
+    /** allows to create marks at the current position
+        and to set the current position.
+     */
+    interface com::sun::star::io::XMarkableStream;
+
+    /** allows to access to the underlying sink
+        of this stream.
+     */
+    interface com::sun::star::io::XActiveDataSource;
+
+    /** allows to navigate via a chain of streams */
+    interface com::sun::star::io::XConnectable;
+
+};
+
+
+}; }; }; };
+
+
+
+#endif
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */