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diff --git a/framework/source/inc/accelerators/keymapping.hxx b/framework/source/inc/accelerators/keymapping.hxx
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+++ b/framework/source/inc/accelerators/keymapping.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 <rtl/ustring.hxx>
+#include <unordered_map>
+
+// definition
+
+namespace framework
+{
+
+/**
+    can be used to map key identifier to the
+    corresponding key codes ...
+ */
+class KeyMapping
+{
+
+    // const, types
+
+    private:
+
+        /** @short  is used to map a key code
+                    to the right key identifier, which is
+                    used to make the xml file "human readable"
+         */
+        struct KeyIdentifierInfo
+        {
+            sal_Int16       Code;
+            const char*     Identifier;
+        };
+
+        /** @short  hash structure to map identifier to key codes. */
+        typedef std::unordered_map<OUString, sal_Int16> Identifier2CodeHash;
+
+        /** @short  hash structure to map key codes to identifier. */
+        typedef std::unordered_map<sal_Int16, OUString> Code2IdentifierHash;
+
+    // member
+
+    private:
+
+        static KeyIdentifierInfo const KeyIdentifierMap[];
+
+        /** @short  hash to map identifier to key codes. */
+        Identifier2CodeHash m_lIdentifierHash;
+
+        /** @short  hash to map key codes to identifier. */
+        Code2IdentifierHash m_lCodeHash;
+
+    // interface
+
+    public:
+
+                 KeyMapping();
+
+        static KeyMapping & get();
+
+        /** @short  return a suitable key code
+                    for the specified key identifier.
+
+            @param  sIdentifier
+                    string value, which describe the key.
+
+            @return [css::awt::KeyEvent]
+                    the corresponding key code as
+                    short value.
+
+            @throw  [css::lang::IllegalArgumentException]
+                    if the given identifier does not describe
+                    a well known key code.
+         */
+        sal_uInt16 mapIdentifierToCode(const OUString& sIdentifier);
+
+        /** @short  return a suitable key identifier
+                    for the specified key code.
+
+            @param  nCode
+                    short value, which describe the key.
+
+            @return The corresponding string identifier.
+         */
+        OUString mapCodeToIdentifier(sal_uInt16 nCode);
+
+    // helper
+
+    private:
+
+        /** @short  check if the given string describe a numeric
+                    value ... and convert it.
+
+            @param  sIdentifier
+                    the string value, which should be converted.
+
+            @param  rCode
+                    contains the converted code, but is defined only
+                    if this method returns sal_True!
+
+            @return [boolean]
+                    sal_True if conversion was successful.
+          */
+        bool impl_st_interpretIdentifierAsPureKeyCode(std::u16string_view sIdentifier,
+                                                                sal_uInt16&      rCode      );
+};
+
+} // namespace framework
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */