https://openjdk.java.net/ 
public interface org.w3c.dom.ls.LSProgressEvent extends org.w3c.dom.events.Event
  minor version: 0
  major version: 59
  flags: flags: (0x0601) ACC_PUBLIC, ACC_INTERFACE, ACC_ABSTRACT
  this_class: org.w3c.dom.ls.LSProgressEvent
  super_class: java.lang.Object
{
  public abstract org.w3c.dom.ls.LSInput getInput();
    descriptor: ()Lorg/w3c/dom/ls/LSInput;
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT

  public abstract int getPosition();
    descriptor: ()I
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT

  public abstract int getTotalSize();
    descriptor: ()I
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
}
SourceFile: "LSProgressEvent.java"