T - the type being closedpublic interface HasCloseHandlers<T> extends HasHandlers
CloseEvent events.| Modifier and Type | Method and Description | 
|---|---|
| HandlerRegistration | addCloseHandler(CloseHandler<T> handler)Adds a  CloseEventhandler. | 
fireEventHandlerRegistration addCloseHandler(CloseHandler<T> handler)
CloseEvent handler.handler - the handler