src/share/classes/javax/swing/plaf/metal/MetalSplitPaneDivider.java

*** 44,53 ****
--- 44,54 ----
   * Please see {@link java.beans.XMLEncoder}.
   *
   * @author Steve Wilson
   * @author Ralph kar
   */
+ @SuppressWarnings("serial") // Same-version serialization only
  class MetalSplitPaneDivider extends BasicSplitPaneDivider
  {
      private MetalBumps bumps = new MetalBumps(10, 10,
                   MetalLookAndFeel.getControlHighlight(),
                   MetalLookAndFeel.getControlDarkShadow(),