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

*** 1998,2004 ****
--- 1998,2005 ----
      public Long resolveConstantDesc(MethodHandles.Lookup lookup) {
          return this;
      }
  
      /** use serialVersionUID from JDK 1.0.2 for interoperability */
+     @java.io.Serial
      @Native private static final long serialVersionUID = 4290774380558885855L;
  }