reference/Microbenchmarks/src/com/google/gwt/reference/microbenchmark/client/TestDomBinder.ui.xml

<ui:UiBinder xmlns:ui='urn:ui:com.google.gwt.uibinder'>
  <div>Div root start
    <div ui:field='div1'>Div1
      <div ui:field='div2'>Div2</div>
      <span ui:field='span1'>Span1</span>
    Div1 end</div>
    <div>Div anon start
      <div ui:field='div3'>Div3
        <div ui:field='div4'>Div4</div>
        <span ui:field='span2'>Span2</span>
      Div3 end</div>
    Div anon end</div>
  Div root end</div>
</ui:UiBinder>