Latest version of org.ff4j:ff4j-core
https://javadoc.io/doc/org.ff4j/ff4j-core
Current version 1.8.13
https://javadoc.io/doc/org.ff4j/ff4j-core/1.8.13
package-list path (used for javadoc generation -link option)
https://javadoc.io/doc/org.ff4j/ff4j-core/1.8.13/package-list