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diff --git a/include/connectivity/formattedcolumnvalue.hxx b/include/connectivity/formattedcolumnvalue.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_CONNECTIVITY_FORMATTEDCOLUMNVALUE_HXX
+#define INCLUDED_CONNECTIVITY_FORMATTEDCOLUMNVALUE_HXX
+
+#include <connectivity/dbtoolsdllapi.hxx>
+#include <rtl/ustring.hxx>
+#include <memory>
+
+namespace com::sun::star::beans { class XPropertySet; }
+namespace com::sun::star::sdbc { class XRowSet; }
+namespace com::sun::star::sdb { class XColumn; }
+namespace com::sun::star::uno { class XComponentContext; }
+namespace com::sun::star::uno { template <typename > class Reference; }
+namespace com::sun::star::util { class XNumberFormatter; }
+
+namespace dbtools
+{
+    struct FormattedColumnValue_Data;
+
+    //= FormattedColumnValue
+
+    /** a class which helps retrieving and setting the value of a database column
+        as formatted string.
+    */
+    class OOO_DLLPUBLIC_DBTOOLS FormattedColumnValue final
+    {
+    public:
+        /** constructs an instance
+
+            The format key for the string value exchange is taken from the given column object.
+            If it has a non-<NULL/> property value <code>FormatKey</code>, this key is taken.
+            Otherwise, a default format matching the column type is determined.
+
+            The locale of this fallback format is the current system locale.
+
+            The number formats supplier is determined from the given <code>RowSet</code>, by
+            examining its <code>ActiveConnection</code>.
+        */
+        FormattedColumnValue(
+            const css::uno::Reference< css::uno::XComponentContext >& _rxContext,
+            const css::uno::Reference< css::sdbc::XRowSet >& _rxRowSet,
+            const css::uno::Reference< css::beans::XPropertySet >& _rxColumn
+        );
+
+        /** constructs an instance
+
+            The format key for the string value exchange is taken from the given column object.
+            If it has a non-<NULL/> property value <code>FormatKey</code>, this key is taken.
+            Otherwise, a default format matching the column type is determined.
+
+            The locale of this fallback format is the current system locale.
+        */
+        FormattedColumnValue(
+            const css::uno::Reference< css::util::XNumberFormatter >& i_rNumberFormatter,
+            const css::uno::Reference< css::beans::XPropertySet >& i_rColumn
+        );
+
+        ~FormattedColumnValue();
+
+        // access to the details of the formatting we determined
+        sal_Int16   getKeyType() const;
+        const css::uno::Reference< css::sdb::XColumn >&
+                    getColumn() const;
+
+        bool        setFormattedValue( const OUString& _rFormattedStringValue ) const;
+        OUString    getFormattedValue() const;
+
+    private:
+        FormattedColumnValue(const FormattedColumnValue&) = delete;
+        FormattedColumnValue& operator=(const FormattedColumnValue&) = delete;
+        std::unique_ptr< FormattedColumnValue_Data >    m_pData;
+    };
+
+
+} // namespace dbtools
+
+
+#endif // INCLUDED_CONNECTIVITY_FORMATTEDCOLUMNVALUE_HXX
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */