src/solaris/classes/sun/awt/X11/InfoWindow.java

*** 37,46 ****
--- 37,47 ----
  import java.lang.reflect.InvocationTargetException;
  
  /**
   * An utility window class. This is a base class for Tooltip and Balloon.
   */
+ @SuppressWarnings("serial") // JDK-implementation class
  public abstract class InfoWindow extends Window {
      private Container container;
      private Closer closer;
  
      protected InfoWindow(Frame parent, Color borderColor) {
*** 144,153 ****
--- 145,155 ----
  
          /** The bounds of the target of the InfoWindow. */
          Rectangle getBounds();
      }
  
+     @SuppressWarnings("serial") // JDK-implementation class
      public static class Tooltip extends InfoWindow {
  
          public interface LiveArguments extends InfoWindow.LiveArguments {
              /** The tooltip to be displayed. */
              String getTooltipString();
*** 237,246 ****
--- 239,249 ----
              return !(p.x < trayRect.x || p.x > (trayRect.x + trayRect.width) ||
                       p.y < trayRect.y || p.y > (trayRect.y + trayRect.height));
          }
      }
  
+     @SuppressWarnings("serial") // JDK-implementation class
      public static class Balloon extends InfoWindow {
  
          public interface LiveArguments extends InfoWindow.LiveArguments {
              /** The action to be performed upon clicking the baloon. */
              String getActionCommand();