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.RecvByteBufAllocator$ExtendedHandle extends io.netty.channel.RecvByteBufAllocator$Handle
  minor version: 0
  major version: 59
  flags: flags: (0x0601) ACC_PUBLIC, ACC_INTERFACE, ACC_ABSTRACT
  this_class: io.netty.channel.RecvByteBufAllocator$ExtendedHandle
  super_class: java.lang.Object
{
  public abstract boolean continueReading(io.netty.util.UncheckedBooleanSupplier);
    descriptor: (Lio/netty/util/UncheckedBooleanSupplier;)Z
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    MethodParameters:
                       Name  Flags
      maybeMoreDataSupplier  
}
SourceFile: "RecvByteBufAllocator.java"
NestHost: io.netty.channel.RecvByteBufAllocator
InnerClasses:
  public abstract ExtendedHandle = io.netty.channel.RecvByteBufAllocator$ExtendedHandle of io.netty.channel.RecvByteBufAllocator
  public abstract Handle = io.netty.channel.RecvByteBufAllocator$Handle of io.netty.channel.RecvByteBufAllocator