Latest version of com.google.appengine:appengine-api-legacy
https://javadoc.io/doc/com.google.appengine/appengine-api-legacy
Current version 2.0.22
https://javadoc.io/doc/com.google.appengine/appengine-api-legacy/2.0.22
package-list path (used for javadoc generation -link option)
https://javadoc.io/doc/com.google.appengine/appengine-api-legacy/2.0.22/package-list