https://openjdk.java.net/ 
public interface org.w3c.dom.xpath.XPathNamespace extends org.w3c.dom.Node
  minor version: 0
  major version: 59
  flags: flags: (0x0601) ACC_PUBLIC, ACC_INTERFACE, ACC_ABSTRACT
  this_class: org.w3c.dom.xpath.XPathNamespace
  super_class: java.lang.Object
{
  public static final short XPATH_NAMESPACE_NODE;
    descriptor: S
    flags: (0x0019) ACC_PUBLIC, ACC_STATIC, ACC_FINAL
    ConstantValue: 13

  public abstract org.w3c.dom.Element getOwnerElement();
    descriptor: ()Lorg/w3c/dom/Element;
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
}
SourceFile: "XPathNamespace.java"