Latest version of io.netty:netty
https://javadoc.io/doc/io.netty/netty
Current version 3.8.1.Final
https://javadoc.io/doc/io.netty/netty/3.8.1.Final
package-list path (used for javadoc generation -link option)
https://javadoc.io/doc/io.netty/netty/3.8.1.Final/package-list