src/java.base/share/classes/java/util/TimeZone.java

*** 158,167 ****
--- 158,168 ----
      private static final int ONE_MINUTE = 60*1000;
      private static final int ONE_HOUR   = 60*ONE_MINUTE;
      private static final int ONE_DAY    = 24*ONE_HOUR;
  
      // Proclaim serialization compatibility with JDK 1.1
+     @java.io.Serial
      static final long serialVersionUID = 3581463369166924961L;
  
      /**
       * Gets the time zone offset, for current date, modified in case of
       * daylight savings. This is the offset to add to UTC to get local time.