text: var isString    = require('lodash.isstring');
  
  
  /**
   * @description  
   * Convierte en string los valores.
   * 
   */
  module.exports = function(obj){
      var serializedObject = {};
      for (var prop in obj) {
          //{Boolean}
          if (typeof obj[prop] === "boolean") {
              serializedObject[prop] = obj[prop]? true: false;
          //null, undefined
          } else if (!obj[prop]) {
              if (typeof obj[prop] === "undefined") serializedObject[prop] = "undefined";
              else serializedObject[prop] = "null";
          //{String}
          } else if (isString(obj[prop])){
              serializedObject[prop] = obj[prop];
          //{Object}
          } else if (obj[prop] && obj[prop].toString) {
              serializedObject[prop] = obj[prop].toString();
          } else {
              serializedObject[prop] = "non-serializable value";
          }
      }
  
      return serializedObject;
  };