Latest version of com.typesafe.genjavadoc:genjavadoc-plugin_2.12.4
https://javadoc.io/doc/com.typesafe.genjavadoc/genjavadoc-plugin_2.12.4
Current version 0.18_2.13.8
https://javadoc.io/doc/com.typesafe.genjavadoc/genjavadoc-plugin_2.12.4/0.18_2.13.8
package-list path (used for javadoc generation -link option)
https://javadoc.io/doc/com.typesafe.genjavadoc/genjavadoc-plugin_2.12.4/0.18_2.13.8/package-list