Latest version of org.checkerframework:jdk7
https://javadoc.io/doc/org.checkerframework/jdk7
Current version 1.8.8
https://javadoc.io/doc/org.checkerframework/jdk7/1.8.8
package-list path (used for javadoc generation -link option)
https://javadoc.io/doc/org.checkerframework/jdk7/1.8.8/package-list