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diff --git a/include/comphelper/accessiblekeybindinghelper.hxx b/include/comphelper/accessiblekeybindinghelper.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_COMPHELPER_ACCESSIBLEKEYBINDINGHELPER_HXX
+#define INCLUDED_COMPHELPER_ACCESSIBLEKEYBINDINGHELPER_HXX
+
+#include <com/sun/star/accessibility/XAccessibleKeyBinding.hpp>
+#include <comphelper/comphelperdllapi.h>
+#include <cppuhelper/implbase.hxx>
+#include <mutex>
+#include <vector>
+
+namespace comphelper
+{
+
+
+    // OAccessibleKeyBindingHelper
+
+
+    typedef ::cppu::WeakImplHelper <   css::accessibility::XAccessibleKeyBinding
+                                   >   OAccessibleKeyBindingHelper_Base;
+
+    /** a helper class for implementing an accessible keybinding
+     */
+    class COMPHELPER_DLLPUBLIC OAccessibleKeyBindingHelper final : public OAccessibleKeyBindingHelper_Base
+    {
+    private:
+        typedef ::std::vector< css::uno::Sequence< css::awt::KeyStroke > > KeyBindings;
+        KeyBindings     m_aKeyBindings;
+        std::mutex      m_aMutex;
+
+        virtual ~OAccessibleKeyBindingHelper() override;
+
+    public:
+        OAccessibleKeyBindingHelper();
+        OAccessibleKeyBindingHelper( const OAccessibleKeyBindingHelper& rHelper );
+
+        /// @throws css::uno::RuntimeException
+        void AddKeyBinding( const css::uno::Sequence< css::awt::KeyStroke >& rKeyBinding );
+        /// @throws css::uno::RuntimeException
+        void AddKeyBinding( const css::awt::KeyStroke& rKeyStroke );
+
+        // XAccessibleKeyBinding
+        virtual sal_Int32 SAL_CALL getAccessibleKeyBindingCount() override;
+        virtual css::uno::Sequence< css::awt::KeyStroke > SAL_CALL getAccessibleKeyBinding( sal_Int32 nIndex ) override;
+    };
+
+
+}   // namespace comphelper
+
+
+#endif // INCLUDED_COMPHELPER_ACCESSIBLEKEYBINDINGHELPER_HXX
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */