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

*** 32,41 ****
--- 32,42 ----
   */
  
  public class FileSystemNotFoundException
      extends RuntimeException
  {
+     @java.io.Serial
      static final long serialVersionUID = 7999581764446402397L;
  
      /**
       * Constructs an instance of this class.
       */