@route({ path: 'p1/:id', routes: [CeTwo], transitionPlan: 'replace' })
      @customElement({ name: 'p-one', template: 'p1 ${id1} ${id2} <au-viewport></au-viewport>' })
      class ParentOne {
        private static id1: number = 0;
        private static id2: number = 0;