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diff --git a/include/svl/sharecontrolfile.hxx b/include/svl/sharecontrolfile.hxx
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+++ b/include/svl/sharecontrolfile.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_SVL_SHARECONTROLFILE_HXX
+#define INCLUDED_SVL_SHARECONTROLFILE_HXX
+
+#include <svl/svldllapi.h>
+
+#include <svl/lockfilecommon.hxx>
+#include <vector>
+
+namespace com::sun::star::io { class XInputStream; }
+namespace com::sun::star::io { class XOutputStream; }
+namespace com::sun::star::io { class XSeekable; }
+namespace com::sun::star::io { class XStream; }
+namespace com::sun::star::io { class XTruncate; }
+
+namespace svt {
+
+class SVL_DLLPUBLIC ShareControlFile final : public LockFileCommon
+{
+    css::uno::Reference< css::io::XStream >       m_xStream;
+    css::uno::Reference< css::io::XInputStream >  m_xInputStream;
+    css::uno::Reference< css::io::XOutputStream > m_xOutputStream;
+    css::uno::Reference< css::io::XSeekable >     m_xSeekable;
+    css::uno::Reference< css::io::XTruncate >     m_xTruncate;
+
+    std::vector< LockFileEntry >                  m_aUsersData;
+
+    void Close();
+    bool IsValid() const
+    {
+        return ( m_xStream.is() && m_xInputStream.is() && m_xOutputStream.is() && m_xSeekable.is() && m_xTruncate.is() );
+    }
+
+public:
+
+    // The constructor will throw exception in case the stream can not be opened
+    ShareControlFile( std::u16string_view aOrigURL );
+    virtual ~ShareControlFile() override;
+
+    std::vector< LockFileEntry > GetUsersData();
+    void SetUsersDataAndStore( std::unique_lock<std::mutex>& rGuard, std::vector< LockFileEntry >&& aUserNames );
+    LockFileEntry InsertOwnEntry();
+    bool HasOwnEntry();
+    void RemoveEntry( const LockFileEntry& aOptionalSpecification );
+    void RemoveEntry();
+    void RemoveFile();
+private:
+    void RemoveFileImpl(std::unique_lock<std::mutex>& rGuard);
+    std::vector< LockFileEntry > GetUsersDataImpl(std::unique_lock<std::mutex>& rGuard);
+};
+
+}
+
+#endif
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */