Latest version of org.codehaus.groovy:groovy-all
https://javadoc.io/doc/org.codehaus.groovy/groovy-all
Current version 1.8.7
https://javadoc.io/doc/org.codehaus.groovy/groovy-all/1.8.7
package-list path (used for javadoc generation -link option)
https://javadoc.io/doc/org.codehaus.groovy/groovy-all/1.8.7/package-list