code: function(encode) {
          var query = this.queryString || '',
              transformations = this.transformations,
              transformationKey = encode ? 't%5B%5D=' : 't[]=';
  
          if (encode) {
              transformations = transformations.map(encodeURIComponent);
          }
  
          if (this.transformations.length) {
              query += query.length ? '&' : '';
              query += transformationKey + transformations.join('&' + transformationKey);
          }
  
          return query;
      }
docs: Get the query string with all transformations applied
  
  @param  {Boolean} [encode=false]
  @return {String}