NavLinks . index . ... get_left_terminus = null(self, *arg) . Return empty string. Used to nullify one of these feature methods. get_right_terminus = null(self, *arg) . ... Used to nullify one of these feature methods. get_sep = null(self, *arg) . ... Used to nullify one of these feature methods. link_future_page = null(self, *arg) . ... Used to nullify one of these feature methods. link_next_page (self, index) . ... Return symbol used to separate navlinks. link_future_page (self, index) . ...