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diff --git a/offapi/com/sun/star/configuration/backend/XVersionedSchemaSupplier.idl b/offapi/com/sun/star/configuration/backend/XVersionedSchemaSupplier.idl
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+++ b/offapi/com/sun/star/configuration/backend/XVersionedSchemaSupplier.idl
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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 __com_sun_star_configuration_backend_XVersionedSchemaSupplier_idl__
+#define __com_sun_star_configuration_backend_XVersionedSchemaSupplier_idl__
+
+#include <com/sun/star/configuration/backend/XSchemaSupplier.idl>
+#include <com/sun/star/configuration/backend/BackendAccessException.idl>
+#include <com/sun/star/lang/IllegalArgumentException.idl>
+
+
+module com { module sun { module star { module configuration { module backend {
+
+
+/**
+  provides access to versioned configuration component schemas.
+
+  @since OOo 2.0
+*/
+interface XVersionedSchemaSupplier : XSchemaSupplier
+{
+
+    /**
+      Returns the schema version for a particular component.
+
+      @param aComponent
+                component whose schema version will be determined
+
+      @returns
+                a `string` that identifies the schema version for
+                the given component.
+
+                <p> The format of the version string is arbitrary. No meaning
+                should be attached to it, unless an implementing service
+                defines one. If no version can be determined, an empty
+                `string` may be returned.
+                </p>
+
+                <p> Clients may assume that all instances of a schema with the
+                same version are identical. The converse is not true.
+                In particular an implementation may return the same version
+                string for all schemas it supplies (i.e. return a version for
+                the complete schema, including all components)
+                </p>
+
+      @throws   com::sun::star::lang::IllegalArgumentException
+                if the component identifier is invalid.
+
+      @throws   com::sun::star::configuration::backend::BackendAccessException
+                if an error occurs while accessing the version data.
+    */
+    string getSchemaVersion([in] string aComponent)
+        raises (BackendAccessException,
+                com::sun::star::lang::IllegalArgumentException) ;
+
+} ;
+
+
+} ; } ; } ; } ; } ;
+
+#endif
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */