https://openjdk.java.net/ 
public interface com.sun.tools.internal.xjc.api.Mapping
  minor version: 0
  major version: 59
  flags: flags: (0x0601) ACC_PUBLIC, ACC_INTERFACE, ACC_ABSTRACT
  this_class: com.sun.tools.internal.xjc.api.Mapping
  super_class: java.lang.Object
{
  public abstract javax.xml.namespace.QName getElement();
    descriptor: ()Ljavax/xml/namespace/QName;
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT

  public abstract com.sun.tools.internal.xjc.api.TypeAndAnnotation getType();
    descriptor: ()Lcom/sun/tools/internal/xjc/api/TypeAndAnnotation;
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT

  public abstract java.util.List<? extends com.sun.tools.internal.xjc.api.Property> getWrapperStyleDrilldown();
    descriptor: ()Ljava/util/List;
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    Signature: ()Ljava/util/List<+Lcom/sun/tools/internal/xjc/api/Property;>;
}
SourceFile: "Mapping.java"