Uhhm, you have eclipse right? Click on the underlined Part and select "add unimplemented Methods", to make a bunch of Dummy Functions.
Well, that was first I try to do. Add unimplemented methods. Also try CTRL+SHIFT+O(import). Also try to write it in shape which MCP tell me I should do. I dont know what's wrong. In that part it importing this method:
/** * A packet handler implementation for channels registered through this annotation * - this packet handler will be universal and handle both client and server * requests. */ Class<PacketHandler> packetHandler() default NULL.class;
But, what happen? In moment I do it Eclipse tell me then NULL.class is not known for eclipse, but, there is error throug that -_-