src/java.base/share/classes/java/lang/CloneNotSupportedException.java

*** 41,50 ****
--- 41,51 ----
   * @since   1.0
   */
  
  public
  class CloneNotSupportedException extends Exception {
+     @java.io.Serial
      private static final long serialVersionUID = 5195511250079656443L;
  
      /**
       * Constructs a <code>CloneNotSupportedException</code> with no
       * detail message.