public AuthConfigurationModelImpl(HttpServletRequest req,Map map){
  super(req,map);
  currentRealm=(String)map.get(AMAdminConstants.CURRENT_REALM);
}

public AuthConfigurationModelImpl ( HttpServletRequest req , Map map ) { super ( req , map ) ; currentRealm = ( String ) map . get ( AMAdminConstants . CURRENT_REALM ) ; }
creates a model instance for configuring the core auth properties .
