org.cyberneko.html.HTMLConfiguration "An XNI-based parser configuration that can be used to parse HTML documents. This configuration can be used directly in order to parse HTML documents or can be used in conjunction with any XNI based tools, such as the Xerces2 implementation."
org.springframework.test.web.servlet.result.XpathResultMatchers "Factory for assertions on the response content using XPath expressions. An instance of this class is typically accessed via MockMvcResultMatchers.xpath(java.lang.String, java.lang.Object...)."
[xml][java]Apache Xerces ライブラリは JDK に入っているらしい。 "First, we should note that the Apache Xerces library is packaged with the JDK, so we don't need any additional setup."