# Uses of Package
org.zkoss.zk.ui.impl

- Packages that use org.zkoss.zk.ui.impl
  Package | Description
  --- | ---
  org.zkoss.stateless.ui |
  org.zkoss.stateless.ui.util |
  org.zkoss.zk.ui.http |
  org.zkoss.zk.ui.impl |

- Classes in org.zkoss.zk.ui.impl used by org.zkoss.stateless.ui
  Class | Description
  --- | ---
  UiEngineImpl.Extension | An interface used to extend the UI engine.

- Classes in org.zkoss.zk.ui.impl used by org.zkoss.stateless.ui.util
  Class | Description
  --- | ---
  PageImpl | An implementation of `Page` and `PageCtrl`.
  VolatilePage | A page that does not really exist at the client.

- Classes in org.zkoss.zk.ui.impl used by org.zkoss.zk.ui.http
  Class | Description
  --- | ---
  AbstractExecution | A skeletal implementation of `Execution`.
  AbstractUiFactory | The skeletal implementation of `UiFactory`.
  AbstractWebApp | A skeletal implementation of `WebApp`.
  DesktopRecycles | Utilities to handle `DesktopRecycle`.

- Classes in org.zkoss.zk.ui.impl used by org.zkoss.zk.ui.impl
  Class | Description
  --- | ---
  PageImpl | An implementation of `Page` and `PageCtrl`.
  SimpleScope | A simple implementation of `Scope`.
  UiEngineImpl.Extension | An interface used to extend the UI engine.