Latest version of com.google.code.gson:gson
https://javadoc.io/doc/com.google.code.gson/gson
Current version 2.9.0
https://javadoc.io/doc/com.google.code.gson/gson/2.9.0
package-list path (used for javadoc generation -link option)
https://javadoc.io/doc/com.google.code.gson/gson/2.9.0/package-list