Latest version of org.immutables:annotation
https://javadoc.io/doc/org.immutables/annotation
Current version 0.18
https://javadoc.io/doc/org.immutables/annotation/0.18
package-list path (used for javadoc generation -link option)
https://javadoc.io/doc/org.immutables/annotation/0.18/package-list