Latest version of org.codelibs.elasticsearch.lib:grok
https://javadoc.io/doc/org.codelibs.elasticsearch.lib/grok
Current version 6.4.2
https://javadoc.io/doc/org.codelibs.elasticsearch.lib/grok/6.4.2
package-list path (used for javadoc generation -link option)
https://javadoc.io/doc/org.codelibs.elasticsearch.lib/grok/6.4.2/package-list