Latest version of io.netty:netty-parent
https://javadoc.io/doc/io.netty/netty-parent
Current version 4.0.0.CR8
https://javadoc.io/doc/io.netty/netty-parent/4.0.0.CR8
package-list path (used for javadoc generation -link option)
https://javadoc.io/doc/io.netty/netty-parent/4.0.0.CR8/package-list