Latest version of org.apache.sling:sling
https://javadoc.io/doc/org.apache.sling/sling
Current version 51
https://javadoc.io/doc/org.apache.sling/sling/51
package-list path (used for javadoc generation -link option)
https://javadoc.io/doc/org.apache.sling/sling/51/package-list