Latest version of org.eclipse.xtend:org.eclipse.xtend.core
https://javadoc.io/doc/org.eclipse.xtend/org.eclipse.xtend.core
Current version 2.18.0
https://javadoc.io/doc/org.eclipse.xtend/org.eclipse.xtend.core/2.18.0
package-list path (used for javadoc generation -link option)
https://javadoc.io/doc/org.eclipse.xtend/org.eclipse.xtend.core/2.18.0/package-list