Checkstyle 2.17 -> 3.0.0.
MODIFY
pom.xml
pom.xml
@@ -280,7 +280,7 @@ file comparators, endian transformation classes, and much more.
</commons.osgi.export>
<commons.scmPubUrl>https://svn.apache.org/repos/infra/websites/production/commons/content/proper/commons-io/</commons.scmPubUrl>
<commons.scmPubCheckoutDirectory>site-content</commons.scmPubCheckoutDirectory>
- <checkstyle.plugin.version>2.17</checkstyle.plugin.version>
+ <checkstyle.plugin.version>3.0.0</checkstyle.plugin.version>
<commons.jacoco.version>0.8.4</commons.jacoco.version>
<commons.surefire.version>2.22.2</commons.surefire.version>
<commons.japicmp.version>0.14.1</commons.japicmp.version>

Checkstyle 2.17 -> 3.0.0.