com.liferay.portlet
Interfaces 
ControlPanelEntry
InvokerPortlet
PortalPreferences
PortletInstanceFactory
PortletPreferencesFactory
PortletQName
PortletURLFactory
Classes 
BaseControlPanelEntry
PortletInstanceFactoryUtil
PortletPreferencesFactoryUtil
PortletQNameUtil
PortletURLFactoryUtil