app/models/publisher.js
import { attr } from '@ember-data/model';
import Fragment from 'ember-data-model-fragments/fragment';
export default Fragment.extend({
name: attr('string', { defaultValue: null }),
lang: attr('string', { defaultValue: null }),
publisherIdentifier: attr('string', { defaultValue: null }),
publisherIdentifierScheme: attr('string', { defaultValue: null }),
schemeUri: attr('string', { defaultValue: null })
});