Latest version of org.apache.nifi:nifi-api
https://javadoc.io/doc/org.apache.nifi/nifi-api
Current version 1.2.0
https://javadoc.io/doc/org.apache.nifi/nifi-api/1.2.0
package-list path (used for javadoc generation -link option)
https://javadoc.io/doc/org.apache.nifi/nifi-api/1.2.0/package-list