Latest version of org.slf4j:slf4j-log4j12
https://javadoc.io/doc/org.slf4j/slf4j-log4j12
Current version 2.0.0-alpha4
https://javadoc.io/doc/org.slf4j/slf4j-log4j12/2.0.0-alpha4
package-list path (used for javadoc generation -link option)
https://javadoc.io/doc/org.slf4j/slf4j-log4j12/2.0.0-alpha4/package-list