Latest version of org.checkerframework:jdk8
https://javadoc.io/doc/org.checkerframework/jdk8
Current version 2.1.6
https://javadoc.io/doc/org.checkerframework/jdk8/2.1.6
package-list path (used for javadoc generation -link option)
https://javadoc.io/doc/org.checkerframework/jdk8/2.1.6/package-list