Latest version of io.vertx:vertx-config
https://javadoc.io/doc/io.vertx/vertx-config
Current version 3.9.8
https://javadoc.io/doc/io.vertx/vertx-config/3.9.8
package-list path (used for javadoc generation -link option)
https://javadoc.io/doc/io.vertx/vertx-config/3.9.8/package-list