code: function (callback, binding) {
        var property;
        var empty = {};
  
        var properties = _emberMetalProperty_get.get(this, '_computedProperties');
  
        for (var i = 0, length = properties.length; i < length; i++) {
          property = properties[i];
          callback.call(binding || this, property.name, property.meta || empty);
        }
      }
docs: Iterate over each computed property for the class, passing its name
  and any associated metadata (see `metaForProperty`) to the callback.
  @static
  @method eachComputedProperty
  @param {Function} callback
  @param {Object} binding
  @private