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

*** 39,48 ****
--- 39,49 ----
   * regardless of the type of <i>expression</i>.
   *
   * @since   1.4
   */
  public class AssertionError extends Error {
+     @java.io.Serial
      private static final long serialVersionUID = -5013299493970297370L;
  
      /**
       * Constructs an AssertionError with no detail message.
       */