Latest version of org.wvlet.airframe:airframe-spec_2.13.0-M4
https://javadoc.io/doc/org.wvlet.airframe/airframe-spec_2.13.0-M4
Current version 0.71
https://javadoc.io/doc/org.wvlet.airframe/airframe-spec_2.13.0-M4/0.71
package-list path (used for javadoc generation -link option)
https://javadoc.io/doc/org.wvlet.airframe/airframe-spec_2.13.0-M4/0.71/package-list