https://openjdk.java.net/ 
public interface com.sun.tools.internal.ws.wsdl.framework.Identifiable extends com.sun.tools.internal.ws.wsdl.framework.Elemental
  minor version: 0
  major version: 59
  flags: flags: (0x0601) ACC_PUBLIC, ACC_INTERFACE, ACC_ABSTRACT
  this_class: com.sun.tools.internal.ws.wsdl.framework.Identifiable
  super_class: java.lang.Object
{
  public abstract java.lang.String getID();
    descriptor: ()Ljava/lang/String;
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
}
SourceFile: "Identifiable.java"