src/java.base/share/classes/java/nio/file/AccessDeniedException.java

@@ -38,10 +38,11 @@
  */
 
 public class AccessDeniedException
     extends FileSystemException
 {
+    @java.io.Serial
     private static final long serialVersionUID = 4943049599949219617L;
 
     /**
      * Constructs an instance of this class.
      *