Latest version of org.eclipse.xtext:org.eclipse.xtext.ecore
https://javadoc.io/doc/org.eclipse.xtext/org.eclipse.xtext.ecore
Current version 2.9.0.beta1
https://javadoc.io/doc/org.eclipse.xtext/org.eclipse.xtext.ecore/2.9.0.beta1
package-list path (used for javadoc generation -link option)
https://javadoc.io/doc/org.eclipse.xtext/org.eclipse.xtext.ecore/2.9.0.beta1/package-list