text: import PacMan from 'pac-man/components/pac-man';
  import MsPac1 from 'pac-man/models/ms-pac-1';
  import MsPac2 from 'pac-man/models/ms-pac-2';
  import MsPac3 from 'pac-man/models/ms-pac-3';
  import MsPac4 from 'pac-man/models/ms-pac-4';
  
  export default PacMan.extend({
    levels: [MsPac1, MsPac2, MsPac3, MsPac4]
  })
  