text: import Ember from 'ember';
  import Block from './block';
  
  const { computed } = Ember;
  
  /**
   * A group in a canvas.
   *
   * @class CanvasEditor.RealtimeCanvas.GroupBlock
   * @extends CanvasEditor.RealtimeCanvas.Block
   */
  export default Block.extend({
    blocks: computed(_ => Ember.A([])),
    isGroup: true
  });
  