| Name | Description | Type | Package | Framework |
| CountingEventBus | Legacy compatibility wrapper forConstructor SummaryCountingEventBus() | Class | com.google.gwt.event.shared.testing | Google WebToolkit (GWT) |
| EventBus | Constructor SummaryEventBus() | Class | com.google.gwt.event.shared | Google WebToolkit (GWT) |
| GwtEvent | Root of all GWT widget and dom events sourced by a HandlerManager. | Class | com.google.gwt.event.shared | Google WebToolkit (GWT) |
| GwtEvent .Type | Type class used to register events with the HandlerManager. | Class | com.google.gwt.event.shared.GwtEvent | Google WebToolkit (GWT) |
| HandlerManager | Manager responsible for adding handlers to event sources and firing those handlers on passed in events. | Class | com.google.gwt.event.shared | Google WebToolkit (GWT) |
| HandlerRegistration | Methods inherited from interface com. | Interface | com.google.gwt.event.shared | Google WebToolkit (GWT) |
| HasHandlers | An object that implements this interface has a collection of event handlers associated with it. | Interface | com.google.gwt.event.shared | Google WebToolkit (GWT) |
| LegacyHandlerWrapper | Wrapper class to ease the transition to HandlerRegistration. | Class | com.google.gwt.event.shared | Google WebToolkit (GWT) |
| ResettableEventBus | Wraps {com. | Class | com.google.gwt.event.shared | Google WebToolkit (GWT) |
| SimpleEventBus | Wraps {com. | Class | com.google.gwt.event.shared | Google WebToolkit (GWT) |
| UmbrellaException | Wraps {com. | Class | com.google.gwt.event.shared | Google WebToolkit (GWT) |