/rhino/xmlimplsrc/org/mozilla/javascript/xmlimpl/XMLObjectImpl.java
if ( rv == null) {   return instance; }else {   return rv; }
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protected final Object equivalentValues(Object value) { boolean result = equivalentXml(value); return result ? Boolean.TRUE : Boolean.FALSE; } @Override public final boolean has(Context cx, Object id) { <extra_id_0> XMLName xmlName = lib.toXMLNameOrIndex(cx, id); if (xmlName == null) { long index = ScriptRuntime.lastUint32Result(cx); return has((int) index, this); } return hasXMLProperty(xmlName);