// 1. Import ActionsSubject
import { ActionsSubject, select, Store } from '@ngrx/store';

// ... missing decorator
export class UsersPageComponent implements OnDestroy {

  // 2. Inject ActionsSubject
  constructor(
    private store: Store<AppState>,
    private dispatcher: ActionsSubject
  ) {
    this.listenForActions();
  }

  // 3. listen for actions
  listenForActions() {
    this.actionsSubscription = this.dispatcher
      .pipe(
        ofType(UsersActions.DELETE_SUCCESS),
      )
      .subscribe((shouldReset: boolean) => {
        // do something
      });
  }

  // 4. Don't forget to unsubscribe
  ngOnDestroy() {
    this.actionsSubscription.unsubscribe();
  }
}