src/main/resources/com/puppycrawl/tools/checkstyle/configuration_1_0.dtd

<?xml version="1.0" encoding="UTF-8"?>

<!-- Add the following to any file that is to be validated against this DTD:

<!DOCTYPE module PUBLIC
    "-//Puppy Crawl//DTD Check Configuration 1.0//EN"
    "http://checkstyle.sourceforge.net/dtds/configuration_1_0.dtd">

-->

<!ELEMENT module (module|property)*>
<!ATTLIST module name NMTOKEN #REQUIRED>

<!ELEMENT property EMPTY>
<!ATTLIST property
    name NMTOKEN #REQUIRED
    value CDATA #REQUIRED
>