Latest version of io.netty:netty-parent
https://javadoc.io/doc/io.netty/netty-parent
Current version 4.1.0.Beta4
https://javadoc.io/doc/io.netty/netty-parent/4.1.0.Beta4
package-list path (used for javadoc generation -link option)
https://javadoc.io/doc/io.netty/netty-parent/4.1.0.Beta4/package-list