## com.google.gwt.event.shared
Interface EventHandler

All Known Subinterfaces:
  BeforeSelectionHandler<I>, BlurHandler, ChangeHandler, ClickHandler, CloseHandler<T>, ContextMenuHandler, DoubleClickHandler, ErrorHandler, Event.NativePreviewHandler, FocusHandler, FormPanel.SubmitCompleteHandler, FormPanel.SubmitHandler, HighlightHandler<V>, KeyDownHandler, KeyPressHandler, KeyUpHandler, LoadHandler, LoseCaptureHandler, MouseDownHandler, MouseMoveHandler, MouseOutHandler, MouseOverHandler, MouseUpHandler, MouseWheelHandler, OpenHandler<T>, ResizeHandler, ScrollHandler, SelectionHandler<I>, ShowRangeHandler<V>, ValueChangeHandler<I>, Window.ClosingHandler, Window.ScrollHandler

All Known Implementing Classes:
  BaseListenerWrapper, HandlesAllFocusEvents, HandlesAllKeyEvents, HandlesAllMouseEvents, ListenerWrapper, ListenerWrapper.WrappedChangeListener, ListenerWrapper.WrappedClickListener, ListenerWrapper.WrappedFocusListener, ListenerWrapper.WrappedKeyboardListener, ListenerWrapper.WrappedLoadListener, ListenerWrapper.WrappedLogicalChangeListener, ListenerWrapper.WrappedMouseListener, ListenerWrapper.WrappedMouseWheelListener, ListenerWrapper.WrappedScrollListener

    public interface EventHandler

Marker interface for event handlers. All GWT event handlers should extend `EventHandler`.