src/java.base/share/classes/java/time/temporal/ValueRange.java

*** 90,99 ****
--- 90,100 ----
  public final class ValueRange implements Serializable {
  
      /**
       * Serialization version.
       */
+     @java.io.Serial
      private static final long serialVersionUID = -7317881728594519368L;
  
      /**
       * The smallest minimum value.
       */
*** 350,359 ****
--- 351,361 ----
       *     the smallest minimum is greater than the smallest maximum,
       *  or the smallest maximum is greater than the largest maximum
       *  or the largest minimum is greater than the largest maximum
       * @throws ClassNotFoundException if a class cannot be resolved
       */
+     @java.io.Serial
      private void readObject(ObjectInputStream s)
           throws IOException, ClassNotFoundException, InvalidObjectException
      {
          s.defaultReadObject();
          if (minSmallest > minLargest) {