Where to find this jar?

The following lines are not being detected, in my program:

import com.sapportals.portal.htmlb.page.JSPDynPage;

import com.sapportals.portal.htmlb.page.PageProcessorComponent;

import com.sapportals.portal.navigation.INavigationConstants;

import com.sapportals.portal.navigation.INavigationNode;

import com.sapportals.portal.navigation.INavigationService;

import com.sapportals.portal.navigation.NavigationNodes;

could any one plz tell me what jar and where to find that!