Latest version of io.vertx:vertx-ext
https://javadoc.io/doc/io.vertx/vertx-ext
Current version 10
https://javadoc.io/doc/io.vertx/vertx-ext/10
package-list path (used for javadoc generation -link option)
https://javadoc.io/doc/io.vertx/vertx-ext/10/package-list