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diff --git a/include/unotools/syslocale.hxx b/include/unotools/syslocale.hxx
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+++ b/include/unotools/syslocale.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_UNOTOOLS_SYSLOCALE_HXX
+#define INCLUDED_UNOTOOLS_SYSLOCALE_HXX
+
+#include <unotools/unotoolsdllapi.h>
+
+#include <memory>
+
+class CharClass;
+class LanguageTag;
+class LocaleDataWrapper;
+class SvtSysLocale_Impl;
+class SvtSysLocaleOptions;
+
+/**
+    SvtSysLocale provides a refcounted single instance of an application wide
+    LocaleDataWrapper and <type>CharClass</type> which always
+    follow the locale as it is currently configured by the user. You may use
+    it anywhere to access the locale data elements like decimal separator and
+    simple date formatting and so on. Constructing and destructing a
+    SvtSysLocale is not expensive as long as there is at least one instance
+    left.
+ */
+class UNOTOOLS_DLLPUBLIC SvtSysLocale
+{
+    friend class SvtSysLocale_Impl;     // access to mutex
+
+    std::shared_ptr<SvtSysLocale_Impl>  pImpl;
+
+public:
+                                        SvtSysLocale();
+                                        ~SvtSysLocale();
+
+            const LocaleDataWrapper&    GetLocaleData() const;
+            const CharClass&            GetCharClass() const;
+
+    /** It is safe to store the pointers locally and use them AS LONG AS THE
+        INSTANCE OF SvtSysLocale LIVES!
+        It is a faster access but be sure what you do!
+     */
+            SvtSysLocaleOptions&        GetOptions() const;
+            const LanguageTag&          GetLanguageTag() const;
+            const LanguageTag&          GetUILanguageTag() const;
+};
+
+#endif  // INCLUDED_SVTOOLS_SYSLOCALE_HXX
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */