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