https://openjdk.java.net/ 
public interface com.sun.source.tree.MemberSelectTree extends com.sun.source.tree.ExpressionTree
  minor version: 0
  major version: 59
  flags: flags: (0x0601) ACC_PUBLIC, ACC_INTERFACE, ACC_ABSTRACT
  this_class: com.sun.source.tree.MemberSelectTree
  super_class: java.lang.Object
{
  public abstract com.sun.source.tree.ExpressionTree getExpression();
    descriptor: ()Lcom/sun/source/tree/ExpressionTree;
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT

  public abstract javax.lang.model.element.Name getIdentifier();
    descriptor: ()Ljavax/lang/model/element/Name;
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
}
SourceFile: "MemberSelectTree.java"