https://openjdk.java.net/ 
public interface com.sun.source.doctree.StartElementTree extends com.sun.source.doctree.DocTree
  minor version: 0
  major version: 59
  flags: flags: (0x0601) ACC_PUBLIC, ACC_INTERFACE, ACC_ABSTRACT
  this_class: com.sun.source.doctree.StartElementTree
  super_class: java.lang.Object
{
  public abstract javax.lang.model.element.Name getName();
    descriptor: ()Ljavax/lang/model/element/Name;
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT

  public abstract java.util.List<? extends com.sun.source.doctree.DocTree> getAttributes();
    descriptor: ()Ljava/util/List;
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    Signature: ()Ljava/util/List<+Lcom/sun/source/doctree/DocTree;>;

  public abstract boolean isSelfClosing();
    descriptor: ()Z
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
}
SourceFile: "StartElementTree.java"