code: function(objects) {
          if (!(Enumerable.detect(objects) || isArray(objects))) {
            throw new TypeError("Must pass Ember.Enumerable to Ember.MutableArray#pushObjects");
          }
          this.replace(get(this, 'length'), 0, objects);
          return this;
        }
docs: Add the objects in the passed numerable to the end of the array. Defers
  notifying observers of the change until all objects are added.
  
  ```javascript
  var colors = ["red"];
  colors.pushObjects(["yellow", "orange"]);  // ["red", "yellow", "orange"]
  ```
  
  @method pushObjects
  @param {Ember.Enumerable} objects the objects to add
  @return {Ember.Array} receiver