Latest version of com.google.appengine:appengine-tools-sdk
https://javadoc.io/doc/com.google.appengine/appengine-tools-sdk
Current version 1.9.80
https://javadoc.io/doc/com.google.appengine/appengine-tools-sdk/1.9.80
package-list path (used for javadoc generation -link option)
https://javadoc.io/doc/com.google.appengine/appengine-tools-sdk/1.9.80/package-list