code: function(id) {
                  var lender = new corbel.Borrow.LenderBuilder(id);
                  lender.driver = this.driver;
                  return lender;
              }
docs: Create a LenderBuilder for lender managing requests.
  
  @param {String}  id  The id of the lender.
  
  @return {corbel.Borrow.LenderBuilder}