     'prefix': 'helper'
     'leftLabel': 'Ember'
     'body': """
-      import Ember from 'ember';
-      const { Helper } = Ember;
+      import Helper from '@ember/component/helper';
 
       export default Helper.extend({
       \tcompute: function() {

    'prefix': 'service'
    'leftLabel': 'Ember'
    'body': """
      import Ember from 'ember';
      const { Service } = Ember;

      export default Service.extend({
      \t${1:// body}

    'prefix': 'mixin'
    'leftLabel': 'Ember'
    'body': """
      import Mixin from '@ember/object/mixin';

      export default Mixin.create({
      \t${1:// body}
      });
    """
