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diff --git a/reportdesign/source/core/inc/conditionupdater.hxx b/reportdesign/source/core/inc/conditionupdater.hxx
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+++ b/reportdesign/source/core/inc/conditionupdater.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_REPORTDESIGN_SOURCE_CORE_INC_CONDITIONUPDATER_HXX
+#define INCLUDED_REPORTDESIGN_SOURCE_CORE_INC_CONDITIONUPDATER_HXX
+
+#include <conditionalexpression.hxx>
+
+#include <com/sun/star/beans/PropertyChangeEvent.hpp>
+#include <com/sun/star/report/XReportControlModel.hpp>
+
+
+namespace rptui
+{
+
+    class ConditionUpdater
+    {
+    public:
+        ConditionUpdater();
+        ~ConditionUpdater();
+        ConditionUpdater(const ConditionUpdater&) = delete;
+        ConditionUpdater& operator=(const ConditionUpdater&) = delete;
+
+        /// notifies the object about the change of a property value, somewhere in the report definition
+        void    notifyPropertyChange( const css::beans::PropertyChangeEvent& _rEvent );
+
+    private:
+        /// does late initializations, return whether or not successful
+        void impl_lateInit_nothrow();
+
+        void impl_adjustFormatConditions_nothrow(
+            const css::uno::Reference< css::report::XReportControlModel >& _rxRptControlModel,
+            const OUString& _rOldDataSource,
+            const OUString& _rNewDataSource
+        );
+
+    private:
+        ConditionalExpressions  m_aConditionalExpressions;
+    };
+
+} // namespace rptui
+
+
+#endif // INCLUDED_REPORTDESIGN_SOURCE_CORE_INC_CONDITIONUPDATER_HXX
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */