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diff --git a/include/i18nutil/searchopt.hxx b/include/i18nutil/searchopt.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_I18NUTIL_SEARCHOPT_HXX
+#define INCLUDED_I18NUTIL_SEARCHOPT_HXX
+
+#include <sal/types.h>
+#include <com/sun/star/lang/Locale.hpp>
+#include <com/sun/star/util/SearchAlgorithms.hpp>
+#include <com/sun/star/util/SearchAlgorithms2.hpp>
+#include <com/sun/star/util/SearchOptions2.hpp>
+#include <i18nutil/transliteration.hxx>
+#include <utility>
+
+namespace i18nutil
+{
+
+inline constexpr css::util::SearchAlgorithms downgradeSearchAlgorithms2(sal_Int16 searchAlgorithms2)
+{
+    switch (searchAlgorithms2)
+    {
+        case css::util::SearchAlgorithms2::ABSOLUTE:
+            return css::util::SearchAlgorithms_ABSOLUTE;
+        case css::util::SearchAlgorithms2::REGEXP:
+            return css::util::SearchAlgorithms_REGEXP;
+        case css::util::SearchAlgorithms2::APPROXIMATE:
+            return css::util::SearchAlgorithms_APPROXIMATE;
+        default: // default what?
+        case css::util::SearchAlgorithms2::WILDCARD: // something valid
+            return css::util::SearchAlgorithms_ABSOLUTE;
+    }
+}
+
+inline constexpr sal_Int16 upgradeSearchAlgorithms(css::util::SearchAlgorithms searchAlgorithms)
+{
+    switch (searchAlgorithms)
+    {
+        default: // default what?
+        case css::util::SearchAlgorithms_ABSOLUTE:
+            return css::util::SearchAlgorithms2::ABSOLUTE;
+        case css::util::SearchAlgorithms_REGEXP:
+            return css::util::SearchAlgorithms2::REGEXP;
+        case css::util::SearchAlgorithms_APPROXIMATE:
+            return css::util::SearchAlgorithms2::APPROXIMATE;
+    }
+}
+
+/**
+ * This is a wrapper around com::sun::star::util::SearchOptions and SearchOptions2,
+ * but using the more type-safe TransliterationFlags enum, and without obsolete
+ * algorithmType, which is superseded by AlgorithmType2.
+ */
+struct SAL_WARN_UNUSED SearchOptions2 {
+    sal_Int32 searchFlag;
+    OUString searchString;
+    OUString replaceString;
+    css::lang::Locale Locale;
+    sal_Int32 changedChars;
+    sal_Int32 deletedChars;
+    sal_Int32 insertedChars;
+    TransliterationFlags transliterateFlags;
+
+    sal_Int16 AlgorithmType2;
+    sal_Int32 WildcardEscapeCharacter;
+
+    SearchOptions2& operator=(css::util::SearchOptions2 const & other)
+    {
+        searchFlag = other.searchFlag;
+        searchString = other.searchString;
+        replaceString = other.replaceString;
+        Locale = other.Locale;
+        changedChars = other.changedChars;
+        deletedChars = other.deletedChars;
+        insertedChars = other.insertedChars;
+        transliterateFlags = static_cast<TransliterationFlags>(other.transliterateFlags);
+        AlgorithmType2 = other.AlgorithmType2;
+        WildcardEscapeCharacter = other.WildcardEscapeCharacter;
+        return *this;
+    }
+
+    css::util::SearchOptions2 toUnoSearchOptions2() const
+    {
+        return css::util::SearchOptions2(downgradeSearchAlgorithms2(AlgorithmType2), searchFlag,
+                       searchString, replaceString,
+                       Locale,
+                       changedChars, deletedChars, insertedChars,
+                       static_cast<sal_Int32>(transliterateFlags),
+                       AlgorithmType2, WildcardEscapeCharacter);
+    }
+
+    SearchOptions2()
+        : searchFlag(0)
+        , changedChars(0)
+        , deletedChars(0)
+        , insertedChars(0)
+        , transliterateFlags(TransliterationFlags::NONE)
+        , AlgorithmType2(0)
+        , WildcardEscapeCharacter(0)
+    {}
+
+    SearchOptions2(const sal_Int32 searchFlag_,
+                   OUString searchString_, OUString replaceString_,
+                   css::lang::Locale Locale_,
+                   const sal_Int32 changedChars_, const sal_Int32 deletedChars_, const sal_Int32 insertedChars_,
+                   const TransliterationFlags& transliterateFlags_,
+                   const sal_Int16 AlgorithmType2_, const sal_Int32 WildcardEscapeCharacter_)
+        : searchFlag(searchFlag_)
+        , searchString(std::move(searchString_))
+        , replaceString(std::move(replaceString_))
+        , Locale(std::move(Locale_))
+        , changedChars(changedChars_)
+        , deletedChars(deletedChars_)
+        , insertedChars(insertedChars_)
+        , transliterateFlags(transliterateFlags_)
+        , AlgorithmType2(AlgorithmType2_)
+        , WildcardEscapeCharacter(WildcardEscapeCharacter_)
+    {}
+};
+
+}; // namespace
+
+#endif
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */