src/third_party/web_platform_tests/WebIDL/valid/xml/treatasundefined.widlprocxml

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE Definitions SYSTEM "widlprocxml.dtd">
<Definitions>
  <webidl>interface Cat {
  attribute DOMString name;
  attribute DOMString owner;

  boolean isMemberOfBreed([TreatUndefinedAs=EmptyString] DOMString breedName);
};</webidl>
  <Interface name="Cat" id="::Cat">
    <webidl>interface Cat {
  attribute DOMString name;
  attribute DOMString owner;

  boolean isMemberOfBreed([TreatUndefinedAs=EmptyString] DOMString breedName);
};</webidl>
    <Attribute name="name" id="::Cat::name">
      <webidl>  attribute DOMString name;</webidl>
      <Type type="DOMString"/>
    </Attribute>
    <Attribute name="owner" id="::Cat::owner">
      <webidl>  attribute DOMString owner;</webidl>
      <Type type="DOMString"/>
    </Attribute>
    <Operation name="isMemberOfBreed" id="::Cat::isMemberOfBreed">
      <webidl>  boolean isMemberOfBreed([TreatUndefinedAs=EmptyString] DOMString breedName);</webidl>
      <Type type="boolean"/>
      <ArgumentList>
        <Argument name="breedName">
          <ExtendedAttributeList>
            <ExtendedAttribute name="TreatUndefinedAs" value="EmptyString">
              <webidl>TreatUndefinedAs</webidl>
            </ExtendedAttribute>
          </ExtendedAttributeList>
          <Type type="DOMString"/>
        </Argument>
      </ArgumentList>
    </Operation>
  </Interface>
</Definitions>