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diff --git a/dbaccess/source/ui/dlg/optionalboolitem.hxx b/dbaccess/source/ui/dlg/optionalboolitem.hxx
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+++ b/dbaccess/source/ui/dlg/optionalboolitem.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 .
+ */
+
+#pragma once
+
+#include <svl/poolitem.hxx>
+
+#include <optional>
+
+namespace dbaui
+{
+
+    // OptionalBoolItem
+    class OptionalBoolItem : public SfxPoolItem
+    {
+        ::std::optional< bool >   m_aValue;
+
+    public:
+        explicit OptionalBoolItem( sal_uInt16 nWhich );
+
+        virtual bool             operator==( const SfxPoolItem& _rItem ) const override;
+        virtual OptionalBoolItem* Clone( SfxItemPool* _pPool = nullptr ) const override;
+
+        bool    HasValue() const                { return !!m_aValue; }
+        void    ClearValue()                    { m_aValue.reset(); }
+        bool    GetValue() const                { return *m_aValue; }
+        void    SetValue(bool _bValue)          { m_aValue = _bValue; }
+
+        const ::std::optional< bool >&
+            GetFullValue() const { return m_aValue; }
+    };
+
+} // namespace dbaui
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */