src/java.base/share/classes/sun/reflect/annotation/ExceptionProxy.java

*** 37,42 ****
--- 37,46 ----
   * @since   1.5
   */
  public abstract class ExceptionProxy implements java.io.Serializable {
      private static final long serialVersionUID = 7241930048386631401L;
      protected abstract RuntimeException generateException();
+     /**
+      * String to use when printed out in an annotation
+      */
+     public abstract String memberToString();
  }