text: import { inject as service } from '@ember/service';
  import Mixin from '@ember/object/mixin';
  import { run } from '@ember/runloop';
  
  export default Mixin.create({
    activityNotifier: service(),
  
    init() {
      this._super();
      run.later(this, () => this.activityNotifier.start(), 3000);
    }
  });
  