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diff --git a/ucb/source/ucp/ext/ucpext_datasupplier.hxx b/ucb/source/ucp/ext/ucpext_datasupplier.hxx
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+++ b/ucb/source/ucp/ext/ucpext_datasupplier.hxx
@@ -0,0 +1,79 @@
+/* -*- 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_UCB_SOURCE_UCP_EXT_UCPEXT_DATASUPPLIER_HXX
+#define INCLUDED_UCB_SOURCE_UCP_EXT_UCPEXT_DATASUPPLIER_HXX
+
+#include <rtl/ref.hxx>
+#include <ucbhelper/resultset.hxx>
+
+#include <memory>
+
+
+namespace ucb::ucp::ext
+{
+
+
+    struct DataSupplier_Impl;
+    class Content;
+
+
+    //= DataSupplier
+
+    class DataSupplier : public ::ucbhelper::ResultSetDataSupplier
+    {
+    public:
+        DataSupplier(
+            const css::uno::Reference< css::uno::XComponentContext >& rxContext,
+            const rtl::Reference< Content >& rContent
+        );
+
+        void    fetchData();
+
+    protected:
+        virtual ~DataSupplier() override;
+
+        virtual OUString queryContentIdentifierString( sal_uInt32 nIndex ) override;
+        virtual css::uno::Reference< css::ucb::XContentIdentifier > queryContentIdentifier( sal_uInt32 nIndex ) override;
+        virtual css::uno::Reference< css::ucb::XContent > queryContent( sal_uInt32 nIndex ) override;
+
+        virtual bool getResult( sal_uInt32 nIndex ) override;
+
+        virtual sal_uInt32 totalCount() override;
+        virtual sal_uInt32 currentCount() override;
+        virtual bool isCountFinal() override;
+
+        virtual css::uno::Reference< css::sdbc::XRow > queryPropertyValues( sal_uInt32 nIndex  ) override;
+        virtual void releasePropertyValues( sal_uInt32 nIndex ) override;
+
+        virtual void close() override;
+
+        virtual void validate() override;
+
+    private:
+        std::unique_ptr< DataSupplier_Impl >    m_pImpl;
+    };
+
+
+} // namespace ucp::ext
+
+
+#endif // INCLUDED_UCB_SOURCE_UCP_EXT_UCPEXT_DATASUPPLIER_HXX
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */