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src/java.desktop/share/classes/java/awt/desktop/SystemSleepEvent.java
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@@ -32,15 +32,17 @@
/**
* Event sent when the system enters and exits power save sleep.
*
* @see SystemSleepListener#systemAboutToSleep(SystemSleepEvent)
* @see SystemSleepListener#systemAwoke(SystemSleepEvent)
- *
* @since 9
*/
public final class SystemSleepEvent extends AppEvent {
+ /**
+ * Use serialVersionUID from JDK 9 for interoperability.
+ */
private static final long serialVersionUID = 11372269824930549L;
/**
* Constructs a {@code SystemSleepEvent}.
*
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