src/share/classes/com/sun/security/auth/UnixNumericUserPrincipal.java

@@ -39,10 +39,11 @@
  * the Principals associated with a <code>Subject</code>.
  *
  * @see java.security.Principal
  * @see javax.security.auth.Subject
  */
+@jdk.Supported
 public class UnixNumericUserPrincipal implements
                                         Principal,
                                         java.io.Serializable {
     private static final long serialVersionUID = -4329764253802397821L;