old_contents: /* eslint-env node */
  'use strict';
  
  module.exports = {
    name: 'ember-power-datepicker'
  };
  
new_contents: /* eslint-env node */
  'use strict';
  
  module.exports = {
    name: 'ember-power-datepicker',
  
    contentFor(type, config) {
      let emberBasicDropdown = this.addons.find((a) => a.name === 'ember-basic-dropdown');
      return emberBasicDropdown.contentFor(type, config);
    }
  };
  
subject: Add the basic-dropdown destination