https://openjdk.java.net/ 
public interface org.w3c.dom.events.EventListener
  minor version: 0
  major version: 59
  flags: flags: (0x0601) ACC_PUBLIC, ACC_INTERFACE, ACC_ABSTRACT
  this_class: org.w3c.dom.events.EventListener
  super_class: java.lang.Object
{
  public abstract void handleEvent(org.w3c.dom.events.Event);
    descriptor: (Lorg/w3c/dom/events/Event;)V
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    MethodParameters:
      Name  Flags
      evt   
}
SourceFile: "EventListener.java"