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diff --git a/forms/source/xforms/submission/serialization.hxx b/forms/source/xforms/submission/serialization.hxx
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+++ b/forms/source/xforms/submission/serialization.hxx
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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 INCLUDED_FORMS_SOURCE_XFORMS_SUBMISSION_SERIALIZATION_HXX
+#define INCLUDED_FORMS_SOURCE_XFORMS_SUBMISSION_SERIALIZATION_HXX
+
+#include <com/sun/star/uno/Reference.hxx>
+#include <com/sun/star/io/XInputStream.hpp>
+#include <com/sun/star/xml/dom/XDocumentFragment.hpp>
+
+/**
+Serialize an XObject
+*/
+
+class CSerialization
+{
+protected:
+    css::uno::Reference< css::xml::dom::XDocumentFragment > m_aFragment;
+
+public:
+    virtual ~CSerialization() {}
+
+    /**
+    sets the XObject that is to serialized
+    */
+    void setSource(const css::uno::Reference< css::xml::dom::XDocumentFragment >& aFragment)
+    {
+        m_aFragment = aFragment;
+    }
+
+    /**
+    start the serialization process
+    */
+    virtual void serialize()=0;
+
+    /**
+    get the serialized bytes.
+    reads up to buffer->getLength() bytes and returns the number of
+    bytes read.
+    returns -1 on error
+    */
+    virtual css::uno::Reference< css::io::XInputStream > getInputStream() = 0;
+
+};
+
+#endif
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */