https://openjdk.java.net/ 
public interface com.sun.xml.internal.ws.api.model.wsdl.WSDLObject
  minor version: 0
  major version: 59
  flags: flags: (0x0601) ACC_PUBLIC, ACC_INTERFACE, ACC_ABSTRACT
  this_class: com.sun.xml.internal.ws.api.model.wsdl.WSDLObject
  super_class: java.lang.Object
{
  public abstract org.xml.sax.Locator getLocation();
    descriptor: ()Lorg/xml/sax/Locator;
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    RuntimeInvisibleAnnotations: 
      com.sun.istack.internal.NotNull()
}
SourceFile: "WSDLObject.java"