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diff --git a/ucb/source/ucp/hierarchy/hierarchydata.hxx b/ucb/source/ucp/hierarchy/hierarchydata.hxx
new file mode 100644
index 0000000000..63c9a7a0af
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+++ b/ucb/source/ucp/hierarchy/hierarchydata.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 <com/sun/star/lang/XMultiServiceFactory.hpp>
+#include <com/sun/star/uno/XComponentContext.hpp>
+#include <mutex>
+
+namespace com::sun::star {
+    namespace container {
+        class XHierarchicalNameAccess;
+    }
+    namespace util {
+        class XOfficeInstallationDirectories;
+    }
+}
+
+namespace hierarchy_ucp
+{
+
+
+class HierarchyEntryData
+{
+public:
+    enum Type { NONE, LINK, FOLDER };
+
+    HierarchyEntryData() : m_aType( NONE ) {}
+    explicit HierarchyEntryData( const Type & rType ) : m_aType( rType ) {}
+
+    const OUString & getName() const { return m_aName; }
+    void setName( const OUString & rName ) { m_aName = rName; }
+
+    const OUString & getTitle() const { return m_aTitle; }
+    void setTitle( const OUString & rTitle ) { m_aTitle = rTitle; }
+
+    const OUString & getTargetURL() const { return m_aTargetURL; }
+    void setTargetURL( const OUString & rURL ) { m_aTargetURL = rURL; }
+
+    Type getType() const
+    { return ( m_aType != NONE ) ? m_aType
+                                 : m_aTargetURL.getLength()
+                                    ? LINK
+                                    : FOLDER; }
+    void setType( const Type & rType ) { m_aType = rType; }
+
+private:
+    OUString m_aName;      // Name (language independent)
+    OUString m_aTitle;     // Title (language dependent)
+    OUString m_aTargetURL; // Target URL ( links only )
+    Type          m_aType;      // Type
+};
+
+
+class HierarchyContentProvider;
+class HierarchyUri;
+
+class HierarchyEntry
+{
+    OUString m_aServiceSpecifier;
+    OUString m_aName;
+    OUString m_aPath;
+    std::mutex m_aMutex;
+    css::uno::Reference< css::uno::XComponentContext >     m_xContext;
+    css::uno::Reference< css::lang::XMultiServiceFactory > m_xConfigProvider;
+    css::uno::Reference< css::container::XHierarchicalNameAccess >
+                                                           m_xRootReadAccess;
+    css::uno::Reference< css::util::XOfficeInstallationDirectories >
+                                                           m_xOfficeInstDirs;
+    bool m_bTriedToGetRootReadAccess;
+
+private:
+    static OUString createPathFromHierarchyURL( const HierarchyUri & rURI );
+    css::uno::Reference< css::container::XHierarchicalNameAccess >
+    getRootReadAccess();
+
+public:
+    HierarchyEntry( css::uno::Reference< css::uno::XComponentContext > xContext,
+                    HierarchyContentProvider* pProvider,
+                    const OUString& rURL );
+
+    bool hasData();
+
+    bool getData( HierarchyEntryData& rData );
+
+    bool setData( const HierarchyEntryData& rData );
+
+    bool move( const OUString& rNewURL,
+                   const HierarchyEntryData& rData );
+
+    bool remove();
+
+    // Iteration.
+
+    class iterator
+    {
+    friend class HierarchyEntry;
+
+    public:
+        iterator() : pos( -1 /* before first */ ) {};
+
+        const HierarchyEntryData& operator*();
+    private:
+        HierarchyEntryData                                     entry;
+        css::uno::Reference< css::container::XHierarchicalNameAccess >   dir;
+        css::uno::Reference< css::util::XOfficeInstallationDirectories > officeDirs;
+        css::uno::Sequence< OUString>                          names;
+        sal_Int32                                              pos;
+    };
+
+    bool first( iterator& it );
+    bool next ( iterator& it );
+};
+
+} // namespace hierarchy_ucp
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */