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diff --git a/include/connectivity/internalnode.hxx b/include/connectivity/internalnode.hxx
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+++ b/include/connectivity/internalnode.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 <sal/config.h>
+
+#include <string_view>
+
+#include <connectivity/sqlnode.hxx>
+
+namespace connectivity
+{
+
+    //= OSQLInternalNode
+
+    /** special node for avoiding memory leaks
+    */
+    class OSQLInternalNode final : public OSQLParseNode
+    {
+    public:
+        OSQLInternalNode(const char* pNewValue,
+                         SQLNodeType eNodeType,
+                         sal_uInt32 nNodeID = 0);
+        OSQLInternalNode(std::string_view _rNewValue,
+                         SQLNodeType eNodeType,
+                         sal_uInt32 nNodeID = 0);
+        OSQLInternalNode(const OUString& _rNewValue,
+                         SQLNodeType eNodeType,
+                         sal_uInt32 nNodeID = 0);
+
+        virtual ~OSQLInternalNode() override;
+    };
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */