Latest version of com.squareup.retrofit2:retrofit
https://javadoc.io/doc/com.squareup.retrofit2/retrofit
Current version 2.6.1
https://javadoc.io/doc/com.squareup.retrofit2/retrofit/2.6.1
package-list path (used for javadoc generation -link option)
https://javadoc.io/doc/com.squareup.retrofit2/retrofit/2.6.1/package-list