All examples should have extra text at the bottom to explain in what Filters such xpath expressions and xml files can be used

https://checkstyle.sourceforge.io/cmdline.html#Printing_XPath_Suppressions
https://checkstyle.sourceforge.io/cmdline.html#Generating_Suppressions_XML
https://checkstyle.sourceforge.io/cmdline.html#Matching_AST_Branches