ng-resolve.decorator.ts

    ...
    return {
      get() {
        if (!inited) {
          inited = true;
          triger.next();
        }

        return originalDescriptor
          ? originalDescriptor.get.call(compRef.instance)
          : routerData;
      },
      set(value: any) {
        routerData = value;
        if (originalDescriptor) originalDescriptor.set.call(compRef.instance, routerData);
      }
    };