com.liferay.portal.kernel.servlet
Interfaces 
BrowserSniffer
HttpHeaders
HttpMethods
ImageServletToken
ServletContextProvider
ServletObjectsFactory
ServletResponseConstants
URLEncoder
Classes 
BaseFilter
BrowserSnifferUtil
ExtContextListener
HookContextListener
HttpSessionWrapper
ImageServletTokenUtil
LayoutTemplateContextListener
PortalClassLoaderFilter
PortalClassLoaderServlet
PortalClassLoaderServletContextListener
PortalDelegateServlet
PortalDelegatorServlet
PortalIncludeUtil
PortletContextListener
PortletServlet
PortletServletObjectsFactory
PortletSessionListenerLoader
PortletSessionListenerManager
PortletSessionTracker
ProtectedPrincipal
ProtectedServletRequest
SerializableSessionAttributeListener
ServletContextPool
ServletContextUtil
ServletVersionDetector
SessionErrors
SessionMessages
SetPortletClassLoaderServlet
StringServletOutputStream
StringServletResponse
ThemeContextListener
ThemeLoaderContextListener
TunnelContextListener
UncommittedServletResponse
WebContextListener
WebDirDetector