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diff --git a/sw/inc/istyleaccess.hxx b/sw/inc/istyleaccess.hxx
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+++ b/sw/inc/istyleaccess.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_SW_INC_ISTYLEACCESS_HXX
+#define INCLUDED_SW_INC_ISTYLEACCESS_HXX
+
+#include <svl/itemset.hxx>
+#include <memory>
+#include <vector>
+
+// Management of (automatic) styles
+class IStyleAccess
+{
+public:
+    enum SwAutoStyleFamily
+    {
+        AUTO_STYLE_CHAR,
+        AUTO_STYLE_RUBY,
+        AUTO_STYLE_PARA,
+        AUTO_STYLE_NOTXT
+    };
+
+    virtual ~IStyleAccess() {}
+
+    virtual std::shared_ptr<SfxItemSet> getAutomaticStyle( const SfxItemSet& rSet,
+                                                               SwAutoStyleFamily eFamily,
+                                                               const OUString* pParentName = nullptr ) = 0;
+    virtual void getAllStyles( std::vector<std::shared_ptr<SfxItemSet>> &rStyles,
+                                                               SwAutoStyleFamily eFamily ) = 0;
+    /** It's slow to iterate through a stylepool looking for a special name, but if
+     the style has been inserted via "cacheAutomaticStyle" instead of "getAutomaticStyle",
+     it's faster */
+    virtual std::shared_ptr<SfxItemSet> getByName( const OUString& rName,
+                                                               SwAutoStyleFamily eFamily ) = 0;
+    /// insert the style to the pool and the cache (used during import)
+    virtual std::shared_ptr<SfxItemSet> cacheAutomaticStyle( const SfxItemSet& rSet,
+                                                               SwAutoStyleFamily eFamily ) = 0;
+    /// To release the cached styles (shared_pointer!)
+    virtual void clearCaches() = 0;
+};
+
+#endif // INCLUDED_SW_INC_ISTYLEACCESS_HXX
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */