public interface  io.netty.handler.codec.http.HttpClientUpgradeHandler$UpgradeCodec extends java.lang.Object
{
public abstract java.lang.CharSequence protocol();
public abstract java.util.Collection setUpgradeHeaders(io.netty.channel.ChannelHandlerContext, io.netty.handler.codec.http.HttpRequest);
public abstract void upgradeTo(io.netty.channel.ChannelHandlerContext, io.netty.handler.codec.http.FullHttpResponse) throws java.lang.Exception;
}