https://openjdk.java.net/ 
public interface com.sun.tools.internal.ws.processor.model.exporter.ExternalObject
  minor version: 0
  major version: 59
  flags: flags: (0x0601) ACC_PUBLIC, ACC_INTERFACE, ACC_ABSTRACT
  this_class: com.sun.tools.internal.ws.processor.model.exporter.ExternalObject
  super_class: java.lang.Object
{
  public abstract java.lang.String getType();
    descriptor: ()Ljava/lang/String;
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT

  public abstract void saveTo(org.xml.sax.ContentHandler);
    descriptor: (Lorg/xml/sax/ContentHandler;)V
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    MethodParameters:
          Name  Flags
      receiver  
}
SourceFile: "ExternalObject.java"