text: (function (angular) {
    'use strict';
  
    angular.module('angularMaterialFormBuilder')
      .service('Utils', Utils);
  
    function Utils() { }
  
    Utils.prototype.extend = function (dest, src) {
      if (typeof dest === 'undefined') {
        dest = {};
      }
      Object.keys(src).forEach(function (key) {
        if (!dest.hasOwnProperty(key)) {
          dest[key] = src[key];
        } else if (typeof src[key] === 'object') {
          this.extend(dest[key], src[key]);
        }
      }.bind(this));
  
      return dest;
    };
  
  })(angular);
  