com.liferay.portal.kernel.servlet
Interfaces 
BrowserSniffer
HttpHeaders
HttpMethods
ImageServletToken
ServletContextProvider
ServletObjectsFactory
URLEncoder
Classes 
BaseFilter
BrowserSnifferUtil
ExtContextListener
Header
HeaderCacheServletResponse
HookContextListener
HttpSessionWrapper
ImageServletTokenUtil
LayoutTemplateContextListener
PageContextWrapper
PipingJspWriter
PipingPageContext
PipingServletOutputStream
PipingServletResponse
PortalClassLoaderFilter
PortalClassLoaderServlet
PortalClassLoaderServletContextListener
PortalDelegateServlet
PortalDelegatorServlet
PortalIncludeUtil
PortletContextListener
PortletServlet
PortletServletObjectsFactory
PortletSessionListenerLoader
PortletSessionListenerManager
PortletSessionTracker
ProtectedPrincipal
ProtectedServletRequest
SerializableSessionAttributeListener
ServletContextUtil
ServletVersionDetector
SessionErrors
SessionMessages
StringServletResponse
ThemeContextListener
ThemeLoaderContextListener
TrackedServletRequest
UncommittedServletResponse
WebContextListener
WebDirDetector