Latest version of org.codehaus.groovy:groovy-all
https://javadoc.io/doc/org.codehaus.groovy/groovy-all
Current version 2.4.20
https://javadoc.io/doc/org.codehaus.groovy/groovy-all/2.4.20
package-list path (used for javadoc generation -link option)
https://javadoc.io/doc/org.codehaus.groovy/groovy-all/2.4.20/package-list