Latest version of com.paypal.butterfly:butterfly-extensions-api
https://javadoc.io/doc/com.paypal.butterfly/butterfly-extensions-api
Current version 3.0.0-M3
https://javadoc.io/doc/com.paypal.butterfly/butterfly-extensions-api/3.0.0-M3
package-list path (used for javadoc generation -link option)
https://javadoc.io/doc/com.paypal.butterfly/butterfly-extensions-api/3.0.0-M3/package-list