<webui-configuration>
  <annotation-classes>
  </annotation-classes>
  <application>
    <ui-component-root>org.exoplatform.wcm.webui.scv.UISingleContentViewerPortlet</ui-component-root>
    <state-manager>org.exoplatform.webui.application.portlet.ParentAppStateManager</state-manager>
  </application>
</webui-configuration>