<!--

    Copyright (c) 2018, 2020 Oracle and/or its affiliates. All rights reserved.

    This program and the accompanying materials are made available under the
    terms of the Eclipse Public License v. 2.0 which is available at
    http://www.eclipse.org/legal/epl-2.0,
    or the Eclipse Distribution License v. 1.0 which is available at
    http://www.eclipse.org/org/documents/edl-v10.php.

    SPDX-License-Identifier: EPL-2.0 OR BSD-3-Clause

-->

<foo>
   <Attribute1 id="1"/>
   <Attribute2 id="2"/>
   <Attribute1 id="3"/>
   <AttributeRefs>
     <AttributeRef1>1</AttributeRef1>
     <AttributeRef2>2</AttributeRef2>
   </AttributeRefs>
   <AttributeImplsWrapper>
     <attributeImplRefs>1</attributeImplRefs>
     <attributeImplRefs>3</attributeImplRefs>
   </AttributeImplsWrapper>
</foo>