Latest version of com.google.code.gson:gson-extras
https://javadoc.io/doc/com.google.code.gson/gson-extras
Current version 2.13.2-rc1
https://javadoc.io/doc/com.google.code.gson/gson-extras/2.13.2-rc1
package-list path (used for javadoc generation -link option)
https://javadoc.io/doc/com.google.code.gson/gson-extras/2.13.2-rc1/package-list