<?xml version="1.0" encoding="UTF-8"?>
<root>
  <pigeon2>
    <name>Pigeon</name>
    <age>42</age>
  </pigeon2>
  <res2>`xml.Element` is not supported here. Value: new Dynamic { _isXmlElement = true; name = ?; attributes = ?; isBlockFormat =...</res2>
  <res3>`xml.Inline` is not supported here. Value: new Inline { value = ? }</res3>
</root>
