public interface  io.netty.channel.ChannelHandler extends java.lang.Object
{
public abstract void handlerAdded(io.netty.channel.ChannelHandlerContext) throws java.lang.Exception;
public abstract void handlerRemoved(io.netty.channel.ChannelHandlerContext) throws java.lang.Exception;
public abstract void exceptionCaught(io.netty.channel.ChannelHandlerContext, java.lang.Throwable) throws java.lang.Exception;
}