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diff --git a/xmloff/inc/RDFaImportHelper.hxx b/xmloff/inc/RDFaImportHelper.hxx
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+++ b/xmloff/inc/RDFaImportHelper.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_XMLOFF_INC_RDFAIMPORTHELPER_HXX
+#define INCLUDED_XMLOFF_INC_RDFAIMPORTHELPER_HXX
+
+#include <memory>
+#include <vector>
+
+#include <com/sun/star/uno/Reference.h>
+#include <rtl/ustring.hxx>
+
+namespace com::sun::star {
+    namespace uno { class XComponentContext; }
+    namespace rdf { class XMetadatable; }
+    namespace rdf { class XRepositorySupplier; }
+}
+
+class SvXMLImport;
+
+namespace xmloff {
+
+struct RDFaEntry;
+struct ParsedRDFaAttributes;
+
+class RDFaImportHelper
+{
+
+private:
+    const SvXMLImport & m_rImport;
+
+    ::std::vector< RDFaEntry > m_RDFaEntries;
+
+    const SvXMLImport & GetImport() const { return m_rImport; }
+
+
+public:
+    RDFaImportHelper(const SvXMLImport & i_rImport);
+
+    ~RDFaImportHelper();
+
+    /** Parse RDFa attributes */
+    std::shared_ptr<ParsedRDFaAttributes> ParseRDFa(
+        OUString const & i_rAbout,
+        OUString const & i_rProperty,
+        OUString const & i_rContent,
+        OUString const & i_rDatatype);
+
+    /** Add a RDFa statement; must have been parsed with ParseRDFa */
+    void AddRDFa(
+        css::uno::Reference< css::rdf::XMetadatable> const & i_xObject,
+        std::shared_ptr<ParsedRDFaAttributes> const & i_pRDFaAttributes);
+
+    /** Parse and add a RDFa statement; parameters are XML attribute values */
+    void ParseAndAddRDFa(
+        css::uno::Reference< css::rdf::XMetadatable> const & i_xObject,
+        OUString const & i_rAbout,
+        OUString const & i_rProperty,
+        OUString const & i_rContent,
+        OUString const & i_rDatatype);
+
+    /** Insert all added statements into the RDF repository.
+        <p> This is done <em>after</em> the input file has been read,
+        to prevent collision between generated ids and ids in the file.</p>
+     */
+    void InsertRDFa( css::uno::Reference< css::rdf::XRepositorySupplier > const & i_xModel);
+};
+
+} // namespace xmloff
+
+#endif // INCLUDED_XMLOFF_INC_RDFAIMPORTHELPER_HXX
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */