text: define([], function () {
  
    var IdentityConverter = Object.create(null);
  
  
    // fromCommonModelFormat returns a custom model format given a the common
    // model format
    //
    // Arguments:
    //   model: object with 'elements', 'dimensions', 'defaultElement', and
    //          'currentElement' fields
    // Returns object with 'elements', 'dimensions', 'defaultElement', and
    // 'currentElement' fields
    IdentityConverter.fromCommonModelFormat = function (model) {
      return model;
    };
  
  
    // toCommonModelFormat returns a common model given a the custom mode format
    //
    // Arguments:
    //   customModel: object with 'elements', 'dimensions', 'defaultElement', and
    //                'currentElement' fields
    // Returns object with 'elements', 'dimensions', 'defaultElement', and
    // 'currentElement' fields
    IdentityConverter.toCommonModelFormat = function (customModel) {
      return customModel;
    };
  
  
    return IdentityConverter;
  });
  