^<\?xml version="1.0"\?>
<CastXML[^>]*>
  <Class id="_1" name="start" context="_2" location="f1:2" file="f1" line="2" incomplete="1"/>
  <Namespace id="_2" name="A" context="_3"/>
  <Namespace id="_3" name="::"/>
  <File id="f1" name=".*/test/input/using-directive-start.cxx"/>
</CastXML>$
