Latest version of org.codehaus.groovy:groovy-nio
https://javadoc.io/doc/org.codehaus.groovy/groovy-nio
Current version 2.5.0-rc-3
https://javadoc.io/doc/org.codehaus.groovy/groovy-nio/2.5.0-rc-3
package-list path (used for javadoc generation -link option)
https://javadoc.io/doc/org.codehaus.groovy/groovy-nio/2.5.0-rc-3/package-list