@route({ path: 'p2/:id', routes: [CeOne], transitionPlan: 'invoke-lifecycles' })
      @customElement({ name: 'p-two', template: 'p2 ${id1} ${id2} <au-viewport></au-viewport>' })
      class ParentTwo {
        private static id1: number = 0;
        private static id2: number = 0;