http://www.jboss.org/undertow-parent/undertow-core: Undertow (JBoss by Red Hat) 
public interface io.undertow.conduits.AbstractFramedStreamSinkConduit$FrameCallBack
  minor version: 0
  major version: 59
  flags: flags: (0x0601) ACC_PUBLIC, ACC_INTERFACE, ACC_ABSTRACT
  this_class: io.undertow.conduits.AbstractFramedStreamSinkConduit$FrameCallBack
  super_class: java.lang.Object
{
  public abstract void done();
    descriptor: ()V
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT

  public abstract void failed(java.io.IOException);
    descriptor: (Ljava/io/IOException;)V
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    MethodParameters:
      Name  Flags
      e     final
}
SourceFile: "AbstractFramedStreamSinkConduit.java"
NestHost: io.undertow.conduits.AbstractFramedStreamSinkConduit
InnerClasses:
  public abstract FrameCallBack = io.undertow.conduits.AbstractFramedStreamSinkConduit$FrameCallBack of io.undertow.conduits.AbstractFramedStreamSinkConduit