Latest version of org.eclipse.xtext:org.eclipse.xtext.java
https://javadoc.io/doc/org.eclipse.xtext/org.eclipse.xtext.java
Current version 2.9.0.beta6
https://javadoc.io/doc/org.eclipse.xtext/org.eclipse.xtext.java/2.9.0.beta6
package-list path (used for javadoc generation -link option)
https://javadoc.io/doc/org.eclipse.xtext/org.eclipse.xtext.java/2.9.0.beta6/package-list