Latest version of org.springframework.boot:spring-boot-starter-log4j
https://javadoc.io/doc/org.springframework.boot/spring-boot-starter-log4j
Current version 1.3.8.RELEASE
https://javadoc.io/doc/org.springframework.boot/spring-boot-starter-log4j/1.3.8.RELEASE
package-list path (used for javadoc generation -link option)
https://javadoc.io/doc/org.springframework.boot/spring-boot-starter-log4j/1.3.8.RELEASE/package-list