@@ -35,10 +35,11 @@ * @see java.lang.Thread#resume() * @see java.lang.Thread#suspend() * @since 1.0 */ public class IllegalThreadStateException extends IllegalArgumentException { + @java.io.Serial private static final long serialVersionUID = -7626246362397460174L; /** * Constructs an <code>IllegalThreadStateException</code> with no * detail message.