a navcenter contains navpoints and pagetargets , get the count of items . concode_field_sep List<NavPoint> navMap concode_elem_sep List<PageTarget> pageList concode_field_sep void addPageTarget concode_elem_sep PageTarget getPageTarget concode_elem_sep void addNavPoint concode_elem_sep NavPoint getNavPoint
int function ( ) { return navMap . size ( ) + pageList . size ( ) ; }