Latest version of com.vaadin:flow
https://javadoc.io/doc/com.vaadin/flow
Current version 2.3.1
https://javadoc.io/doc/com.vaadin/flow/2.3.1
package-list path (used for javadoc generation -link option)
https://javadoc.io/doc/com.vaadin/flow/2.3.1/package-list