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} }; } public void close() { ClosingEvent event = new ClosingEvent(); handler.onWindowClosing(event); message = event.getMessage(); }
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return getHandlers().addHandler(type, handler); } private String fireClosingImpl() { // if (closeHandlerInitialized) { ClosingEvent event = new ClosingEvent(); fireEvent(event); return event.getMessage(); // } // return null; }