http://netty.io/netty-all/: Netty is an asynchronous event-driven network application framework for rapid development of maintainable high performance protocol servers and clients. (The Netty Project) 
public interface io.netty.channel.nio.NioTask<C extends java.nio.channels.SelectableChannel>
  minor version: 0
  major version: 59
  flags: flags: (0x0601) ACC_PUBLIC, ACC_INTERFACE, ACC_ABSTRACT
  this_class: io.netty.channel.nio.NioTask
  super_class: java.lang.Object
{
  public abstract void channelReady(C, java.nio.channels.SelectionKey);
    descriptor: (Ljava/nio/channels/SelectableChannel;Ljava/nio/channels/SelectionKey;)V
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    Exceptions:
      throws java.lang.Exception
    Signature: (TC;Ljava/nio/channels/SelectionKey;)V
    MethodParameters:
      Name  Flags
      ch    
      key   

  public abstract void channelUnregistered(C, java.lang.Throwable);
    descriptor: (Ljava/nio/channels/SelectableChannel;Ljava/lang/Throwable;)V
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    Exceptions:
      throws java.lang.Exception
    Signature: (TC;Ljava/lang/Throwable;)V
    MethodParameters:
       Name  Flags
      ch     
      cause  
}
Signature: <C:Ljava/nio/channels/SelectableChannel;>Ljava/lang/Object;
SourceFile: "NioTask.java"