Latest version of com.indeed.logstash.log4j:jsonevent-layout
https://javadoc.io/doc/com.indeed.logstash.log4j/jsonevent-layout
Current version 1.6.6
https://javadoc.io/doc/com.indeed.logstash.log4j/jsonevent-layout/1.6.6
package-list path (used for javadoc generation -link option)
https://javadoc.io/doc/com.indeed.logstash.log4j/jsonevent-layout/1.6.6/package-list