# Package org.zkoss.zk.ui.event.impl

- Interface Summary
  Interface | Description
  --- | ---
  EventQueueProvider | Used to instantiate an event queue.

- Class Summary
  Class | Description
  --- | ---
  DesktopEventQueue<T extends Event> | The default implementation of the desktop-scoped event queue (`EventQueue`).
  EventQueueProviderImpl | A simple implementation of `EventQueueProvider`.
  ServerPushEventQueue<T extends Event> | The default implementation of the server-push based event queue (`EventQueue`).