https://openjdk.java.net/ 
public interface java.awt.datatransfer.ClipboardOwner
  minor version: 0
  major version: 59
  flags: flags: (0x0601) ACC_PUBLIC, ACC_INTERFACE, ACC_ABSTRACT
  this_class: java.awt.datatransfer.ClipboardOwner
  super_class: java.lang.Object
{
  public abstract void lostOwnership(java.awt.datatransfer.Clipboard, java.awt.datatransfer.Transferable);
    descriptor: (Ljava/awt/datatransfer/Clipboard;Ljava/awt/datatransfer/Transferable;)V
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    MethodParameters:
           Name  Flags
      clipboard  
      contents   
}
SourceFile: "ClipboardOwner.java"